@font-face{font-family:Material Symbols Outlined;font-style:normal;font-weight:300;font-display:block;src:url(/fonts/material-symbols-subset-v4.woff2)format("woff2")}:root{--primary:#1a4fc7;--primary-dark:#143ea0;--primary-light:#e7edfb;--bg:#f4f2ed;--surface:#fff;--text:#1e293b;--text-1:var(--text);--text-2:#64748b;--border:#dbe7f0;--green:#16a34a;--green-bg:#dcfce7;--red:#dc2626;--red-bg:#fee2e2;--amber:#d97706;--amber-bg:#fef3c7;--ink:#0f172a;--ink-2:#334155;--surface-2:#f8fafc;--surface-3:#f1f5f9;--border-2:#e2e8f0;--text-3:#5a6b80;--on-accent:#fff;--green-ink:#166534;--red-ink:#991b1b;--amber-ink:#92400e;--red-wash:#fef2f2;--red-border:#fecaca;--green-wash:#f0fdf4;--green-border:#86efac;--amber-wash:#fffbeb;--amber-border:#fde68a;--violet:#7c3aed;--violet-bg:#ede9fe;--violet-ink:#5b21b6;--indigo:#6366f1;--indigo-bg:#e0e7ff;--indigo-ink:#3730a3;--cyan:#06b6d4;--cyan-bg:#cffafe;--cyan-ink:#0e7490;--pink:#ec4899;--pink-bg:#fce7f3;--pink-ink:#9d174d;--primary-wash:#f2f4f9;--primary-pale:#c6d5f5;--primary-deep:#0a1c33;--radius:10px;--shadow:0 1px 3px #0f172a14,0 1px 2px #0f172a0a;--shadow-md:0 4px 14px #0284c71a;--font:var(--font-ibm-plex-sans),system-ui,-apple-system,sans-serif;--font-head:var(--font-ibm-plex-sans),system-ui,sans-serif;--font-hindi:var(--font-ibm-plex-sans-devanagari),var(--font-ibm-plex-sans),sans-serif;--font-telugu:var(--font-noto-telugu),var(--font-ibm-plex-sans),sans-serif;--font-mono:var(--font-ibm-plex-mono),ui-monospace,Menlo,monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;font-size:var(--fs-16)}a{color:inherit;text-decoration:none}img{max-width:100%}.container{max-width:1160px;margin:0 auto;padding:0 20px}button,input,select,textarea{font-family:inherit}h1,h2,h3,h4{color:#0f172a;font-weight:700;line-height:1.25;font-family:var(--font-head);letter-spacing:var(--ls-tight)}.logo,.h-xl,.h-lg,.h-md{font-family:var(--font-head)}.h-xl{font-size:var(--fs-40);letter-spacing:var(--ls-tight)}.h-lg{font-size:var(--fs-28);letter-spacing:var(--ls-tight)}.h-md{font-size:var(--fs-20)}.muted{color:var(--text-2)}.hindi{font-family:var(--font-hindi)}:where([lang=te],.telugu,.er-telugu),.hindi:where([lang=te]){font-family:var(--font-telugu)}.topstrip{background:var(--primary-dark);color:var(--primary-pale);font-size:var(--fs-14);text-align:center;padding:6px 0}.nav{z-index:100;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow);position:sticky;top:0}.nav-inner{grid-template-columns:auto 1fr auto;align-items:center;gap:16px;max-width:1200px;margin:0 auto;padding:12px 20px;display:grid}.nav-inner .logo{grid-column:1}.nav-inner .nav-links{grid-column:2;justify-content:center}.nav-inner #navUser{grid-column:3}.nav-inner .nav-toggle{grid-column:3;justify-self:end}.logo{font-weight:800;font-size:var(--fs-20);color:#0f172a;align-items:center;gap:9px;display:flex}.logo .mark{background:var(--primary);color:#fff;border-radius:var(--r-sm);font-size:var(--fs-16);padding:3px 9px}.logo .mark-img{border-radius:var(--r-sm);object-fit:contain;width:38px;height:38px;box-shadow:var(--shadow);background:#fff;padding:2px;display:block}footer .logo .mark-img{box-shadow:0 0 0 1px #ffffff26}.footer-social{border-top:1px solid #ffffff1f;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-top:8px;padding:16px 0 4px;display:flex}.footer-social a{color:#fff;opacity:.95;background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;padding:0;transition:all .15s;display:inline-flex}.footer-social a:hover{background:var(--primary);opacity:1;transform:translateY(-2px)}.footer-social svg{fill:currentColor;width:18px;height:18px}.footer-social .fs-label{border-radius:var(--r-pill);width:auto;font-size:var(--fs-14);background:0 0;padding:0 14px;font-weight:600}.footer-social .fs-label:hover{color:var(--primary-pale);background:0 0;transform:none}.logo small{font-size:var(--fs-12);color:var(--text-2);letter-spacing:var(--ls-caps);text-transform:uppercase;font-weight:600;display:block}.nav-links{flex-wrap:nowrap;align-items:center;gap:2px;min-width:0;display:flex;overflow:hidden}.nav-links.nav-links-ready{overflow:visible}.nav-links a{font-weight:600;font-size:var(--fs-14);color:#334155;border-radius:var(--r-sm);white-space:nowrap;padding:8px 13px}.nav-more{flex:none;position:relative}.nav-more-btn{font-weight:600;font-size:var(--fs-14);color:#334155;border-radius:var(--r-sm);cursor:pointer;font-family:var(--font);white-space:nowrap;line-height:inherit;background:0 0;border:none;align-items:center;gap:1px;padding:8px 9px 8px 13px;display:inline-flex}.nav-more-btn:hover,.nav-more-btn[aria-expanded=true]{background:var(--primary-light);color:var(--primary-dark)}.nav-more-btn.active{color:var(--primary);background:var(--primary-light)}.nav-more-menu{min-width:190px;top:42px}.nav-more-menu a.active{color:var(--primary);background:var(--primary-light)}.nav-links a:hover{background:var(--primary-light);color:var(--primary-dark)}.nav-links a.active{color:var(--primary);background:var(--primary-light)}.mobile-nav-drawer,.nav-drawer-backdrop{display:none}.nav-toggle{background:var(--primary-light);color:var(--primary-dark);border:1px solid var(--border);border-radius:var(--r-sm);cursor:pointer;padding:7px 12px;font-weight:700;display:none}.avatar{border:2px solid var(--primary);cursor:pointer;border-radius:50%;width:34px;height:34px}.avatar-initials{background:var(--primary);color:#fff;font-family:var(--font);font-weight:700;font-size:var(--fs-14);letter-spacing:.02em;flex:none;justify-content:center;align-items:center;padding:0;line-height:1;display:inline-flex}.avatar-initials:hover{background:var(--primary-dark)}.user-chip{align-items:center;gap:8px;display:flex;position:relative}.user-menu{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);z-index:50;min-width:200px;padding:8px;display:none;position:absolute;top:44px;right:0}.user-menu.open{display:block}.user-menu a,.user-menu button{text-align:left;border-radius:var(--r-sm);width:100%;font-weight:600;font-size:var(--fs-14);cursor:pointer;font-family:var(--font);color:var(--text);background:0 0;border:none;padding:9px 12px;display:block}.user-menu a:hover,.user-menu button:hover{background:var(--primary-light)}.user-menu .u-email{font-size:var(--fs-14);color:var(--text-2);border-bottom:1px solid var(--border);word-break:break-all;margin-bottom:6px;padding:6px 12px;font-weight:500}.btn{font-weight:700;font-size:var(--fs-16);font-family:var(--font);border-radius:var(--r-sm);cursor:pointer;background:var(--primary);color:#fff;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:11px 22px;transition:all .15s;display:inline-flex}.btn:hover{background:var(--primary-dark);box-shadow:var(--shadow-md)}.btn-outline{color:var(--primary);border-color:var(--primary);background:#fff}.btn-outline:hover{background:var(--primary-light);box-shadow:none}.btn-ghost{color:var(--text-2);border-color:var(--border);background:0 0}.btn-ghost:hover{box-shadow:none;background:#f1f5f9}.btn-green{background:var(--green)}.btn-red{background:var(--red)}@media (pointer:coarse){.admin-row-btn{justify-content:center!important;align-items:center!important;min-width:40px!important;min-height:40px!important;padding:8px 14px!important;display:inline-flex!important}}.hero{background:linear-gradient(180deg,#edf1fa 0%,var(--bg) 100%);border-bottom:1px solid var(--border);padding:44px 0 34px}.msym{letter-spacing:normal;text-transform:none;white-space:nowrap;word-wrap:normal;-webkit-font-smoothing:antialiased;font-variation-settings:"opsz" 24, "wght" 300, "FILL" 0, "GRAD" 0;vertical-align:middle;direction:ltr;flex-shrink:0;font-family:Material Symbols Outlined;font-size:20px;font-style:normal;font-weight:400;line-height:1;display:inline-block}.msym.sm{font-size:18px}.msym.lg{font-size:22px}.dash-icon-btn{background:var(--d-surface-2,#f1f5f9);border-radius:50%;transition:background .15s ease-in-out}.dash-icon-btn:hover{background:var(--d-border,#e2e8f0)}.cart-drawer-backdrop{z-index:300;opacity:0;pointer-events:none;background:#0f172a66;transition:opacity .2s ease-in-out;position:fixed;inset:0}.cart-drawer-backdrop.open{opacity:1;pointer-events:auto}.cart-drawer{background:var(--d-surface,#fff);z-index:310;flex-direction:column;width:min(400px,100vw);height:100vh;transition:transform .25s ease-in-out;display:flex;position:fixed;top:0;bottom:0;right:0;transform:translate(100%);box-shadow:-8px 0 24px #00000026}.cart-drawer.open{transform:translate(0)}@media (max-width:640px){.cart-drawer{border-radius:var(--r-md) var(--r-md) 0 0;width:100%;height:auto;max-height:80vh;padding-bottom:env(safe-area-inset-bottom,0px);inset:auto 0 0;transform:translateY(100%);box-shadow:0 -8px 24px #0000002e}.cart-drawer.open{transform:translateY(0)}}.home-page>section:not(.hero):not(.hero-v2),.home-page>.band-surface{content-visibility:auto;contain-intrinsic-size:auto 700px}.hero-grid{grid-template-columns:1.05fr .95fr;align-items:start;gap:40px;display:grid}.hero-examstrip{border-top:1px dashed var(--border);flex-wrap:wrap;gap:8px;margin-top:22px;padding-top:18px;display:flex}.hero-examstrip a{border:1px solid var(--border);border-radius:var(--r-pill);font-size:var(--fs-14);color:var(--text-2);background:#fff;padding:5px 12px;font-weight:700;transition:all .12s}.hero-examstrip a:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light)}.eyebrow{background:var(--primary-light);color:var(--link);font-weight:700;font-size:var(--fs-14);border-radius:var(--r-pill);letter-spacing:var(--ls-caps);margin-bottom:18px;padding:5px 14px;display:inline-block}.hero p.lead{font-size:var(--fs-16);color:var(--text-2);max-width:34rem;margin:16px 0 28px}.hero-ctas{flex-wrap:wrap;gap:12px;display:flex}.trust-row{flex-wrap:wrap;gap:26px;margin-top:30px;display:flex}.trust-item{font-size:var(--fs-14);color:var(--text-2);font-weight:600}.trust-item b{font-size:var(--fs-20);color:#0f172a;display:block}section{padding:52px 0}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:30px;display:flex}.section-head p{color:var(--text-2);margin-top:6px}.grid-3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.grid-2{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;transition:box-shadow .15s,transform .15s}a.card:hover,.card.hoverable:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card .icon{border-radius:var(--r-sm);background:var(--primary-light);width:44px;height:44px;font-size:var(--fs-20);justify-content:center;align-items:center;margin-bottom:14px;display:flex}.card h3{font-size:var(--fs-16);margin-bottom:6px}.card p{font-size:var(--fs-14);color:var(--text-2)}.card ul{margin-top:10px;list-style:none}.card ul li{font-size:var(--fs-14);color:var(--text-2);border-bottom:1px dashed var(--border);padding:5px 0}.card ul li:last-child{border:none}.card ul li:before{content:"✓ ";color:var(--green);font-weight:700}.tag{background:var(--primary-light);color:var(--link);font-size:var(--fs-12);border-radius:var(--r-pill);text-transform:uppercase;letter-spacing:var(--ls-caps);padding:3px 10px;font-weight:700;display:inline-block}.tag.green{background:var(--green-bg);color:#166534}.tag.amber{background:var(--amber-bg);color:#92400e}.tag.red{background:var(--red-bg);color:#991b1b}.stats-band{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.stats-grid{grid-template-columns:repeat(4,1fr);display:grid}.stat{text-align:center;padding:26px 12px}.stat .num{font-size:var(--fs-28);color:var(--primary);font-weight:800}.stat .lbl{font-size:var(--fs-14);color:var(--text-2);font-weight:600}.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);align-items:flex-start;gap:18px;margin-bottom:14px;padding:18px 22px;display:flex}.step .n{background:var(--primary);color:#fff;min-width:40px;height:40px;font-weight:800;font-size:var(--fs-16);border-radius:50%;justify-content:center;align-items:center;display:flex}.step h3{font-size:var(--fs-16);margin-bottom:3px}.step p{font-size:var(--fs-14);color:var(--text-2)}.banner{background:linear-gradient(120deg,var(--primary) 0%,#0369a1 100%);color:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-md);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:22px;padding:34px 38px;display:flex}.banner h2{color:#fff;font-size:var(--fs-28)}.banner p{color:var(--primary-light);margin-top:6px}.banner .btn:hover{background:var(--primary-light)}footer{background:var(--primary-deep);color:var(--primary-pale);margin-top:48px;padding:46px 0 22px}.footer-grid{grid-template-columns:1.6fr repeat(6,1fr);gap:26px;margin-bottom:30px;display:grid}@media (max-width:1180px){.footer-grid{grid-template-columns:1.6fr repeat(3,1fr)}}footer h4{color:#fff;font-size:var(--fs-14);text-transform:uppercase;letter-spacing:var(--ls-caps);margin-bottom:12px}footer a{font-size:var(--fs-14);color:var(--primary-pale);opacity:.9;padding:3px 0;display:block}footer a:hover{opacity:1;color:#fff}.footer-bottom{font-size:var(--fs-14);opacity:.85;border-top:1px solid #ffffff26;flex-wrap:wrap;justify-content:space-between;gap:8px;padding-top:18px;display:flex}.pill{border:1px solid var(--border);color:var(--text-2);font-weight:600;font-size:var(--fs-12);border-radius:var(--r-pill);background:#f8fafc;padding:3px 11px;display:inline-block}.test-meta{flex-wrap:wrap;gap:8px;margin:10px 0 14px;display:flex}.engine{padding:22px 0 56px;display:none}.engine.active{display:block}.engine-top{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:20px;padding:13px 20px;display:flex}.engine-top .t-name{font-weight:800;font-size:var(--fs-16)}.timer{background:var(--primary-light);color:var(--primary-dark);font-variant-numeric:tabular-nums;border-radius:8px;padding:7px 16px;font-size:1.15rem;font-weight:800}.timer.danger{background:var(--red-bg);color:var(--red);animation:1s steps(2,end) infinite blink}@keyframes blink{50%{opacity:.6}}.engine-grid{grid-template-columns:1fr 290px;align-items:start;gap:20px;display:grid}.q-area{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.q-num{background:var(--primary);color:#fff;border-radius:6px;padding:3px 11px;font-size:.78rem;font-weight:700;display:inline-block}.q-topic{color:var(--text-2);background:#f1f5f9;border-radius:6px;margin-left:6px;padding:3px 11px;font-size:.78rem;font-weight:600;display:inline-block}.q-text{color:#0f172a;margin:16px 0 20px;font-size:1.08rem;font-weight:600}.opt{border:1.5px solid var(--border);cursor:pointer;background:#fff;border-radius:9px;align-items:center;gap:13px;margin-bottom:10px;padding:12px 15px;font-weight:500;transition:all .12s;display:flex}.opt .ob{border:1.5px solid var(--border);min-width:30px;height:30px;color:var(--text-2);background:#f8fafc;border-radius:50%;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex}.opt.sel{border-color:var(--primary);background:var(--primary-light)}.opt.sel .ob{background:var(--primary);border-color:var(--primary);color:#fff}.opt.correct{border-color:var(--green);background:var(--green-bg)}.opt.correct .ob{background:var(--green);border-color:var(--green);color:#fff}.opt.wrong{border-color:var(--red);background:var(--red-bg)}.opt.wrong .ob{background:var(--red);border-color:var(--red);color:#fff}.q-actions{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.palette{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;position:sticky;top:76px}.palette h4{text-transform:uppercase;letter-spacing:.05em;color:var(--text-2);margin-bottom:12px;font-size:.85rem}.palette-grid{grid-template-columns:repeat(5,1fr);gap:7px;max-height:300px;margin-bottom:14px;display:grid;overflow-y:auto}.pq{aspect-ratio:1;border:1.5px solid var(--border);border-radius:var(--r-sm);cursor:pointer;font-weight:700;font-size:var(--fs-14);color:var(--text-2);background:#f8fafc;justify-content:center;align-items:center;display:flex}.legend{font-size:var(--fs-12);color:var(--text-2);gap:5px;margin-bottom:12px;font-weight:600;display:grid}.legend span i{border:1px solid var(--border);vertical-align:-1px;border-radius:4px;width:12px;height:12px;margin-right:7px;display:inline-block}.solution{border-left:4px solid var(--primary);background:var(--primary-wash);border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:var(--fs-14);margin-top:14px;padding:14px 16px}.solution b{color:var(--primary-dark)}.results{display:none}.results.active{display:block}.score-hero{background:linear-gradient(120deg,var(--primary-dark),var(--primary));color:#fff;border-radius:var(--r-md);text-align:center;box-shadow:var(--shadow-md);margin-bottom:26px;padding:36px}.score-hero .big{font-size:clamp(2.4rem,6vw,3.6rem);font-weight:800}.score-hero p{color:var(--primary-light)}.res-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px;display:grid}.res-stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;padding:18px}.res-stat .v{font-size:var(--fs-28);color:#0f172a;font-weight:800}.res-stat .l{font-size:var(--fs-14);color:var(--text-2);text-transform:uppercase;letter-spacing:.04em;font-weight:600}table.clean{border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;box-shadow:var(--shadow);overflow:hidden}table.clean th{color:var(--text-2);font-size:var(--fs-14);text-transform:uppercase;letter-spacing:.04em;text-align:left;background:#f1f5f9;padding:11px 14px}table.clean td{border-top:1px solid var(--border);font-size:var(--fs-14);padding:11px 14px;font-weight:500}.topic-chips{flex-wrap:wrap;gap:10px;display:flex}.topic-chip{border:1px solid var(--border);background:var(--surface);border-radius:var(--r-pill);font-weight:600;font-size:var(--fs-14);cursor:pointer;box-shadow:var(--shadow);color:var(--text);padding:9px 18px;transition:all .12s}.topic-chip:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}.topic-chip .cnt{color:var(--text-2);font-size:var(--fs-12);font-weight:600}.topic-block{flex-direction:column;align-items:flex-start;display:flex}.chapter-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;width:100%;display:grid}.chapter-card{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);cursor:pointer;box-shadow:var(--shadow);text-align:left;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;transition:all .12s;display:flex}.chapter-card:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-1px)}.chapter-card .cc-name{font-weight:700;font-size:var(--fs-14);color:var(--text)}.chapter-card .cc-cnt{font-size:var(--fs-14);color:var(--text-2);border-radius:var(--r-pill);border:1px solid var(--border);white-space:nowrap;background:#fff;flex-shrink:0;padding:3px 9px;font-weight:700}.topic-block.expanded{grid-column:1/-1}.chapter-az{flex-wrap:wrap;gap:6px;margin:4px 0 14px;display:flex}.chapter-az a{font-size:var(--fs-14);color:var(--text-2);border:1px solid var(--border);border-radius:var(--r-sm);background:#fff;padding:2px 8px;font-weight:700}.chapter-az a:hover{color:var(--primary-dark);border-color:var(--primary)}.set-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);width:100%;box-shadow:var(--shadow);margin-top:10px;padding:14px}.sp-note{font-size:var(--fs-14);color:var(--text-2);margin-bottom:10px}.sp-grid{flex-wrap:wrap;gap:8px;display:flex}.set-btn{border:1px solid var(--border);border-radius:var(--r-sm);font-weight:700;font-size:var(--fs-14);cursor:pointer;color:var(--text);background:#fff;flex-direction:column;align-items:center;gap:2px;min-width:64px;padding:8px 14px;display:flex}.set-btn span{font-weight:600;font-size:var(--fs-12);color:var(--text-2)}.set-btn:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}.set-btn.resume{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.auth-wrap{justify-content:center;align-items:center;min-height:calc(100vh - 200px);padding:40px 20px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-md);text-align:center;width:100%;max-width:420px;padding:38px}.auth-card .logo{justify-content:center;margin-bottom:8px}.auth-card h1{font-size:var(--fs-20);margin:10px 0 6px}.auth-card p{color:var(--text-2);font-size:var(--fs-14);margin-bottom:24px}.btn-google{color:#334155;border:1.5px solid var(--border);width:100%;font-size:var(--fs-16);background:#fff;padding:12px}.btn-google:hover{box-shadow:var(--shadow);background:#f8fafc;border-color:#94a3b8}.auth-note{font-size:var(--fs-14);color:var(--text-2);margin-top:18px}.auth-divider{color:var(--text-2);font-size:var(--fs-14);align-items:center;gap:12px;margin:18px 0;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.dash-head{align-items:center;gap:16px;margin-bottom:26px;display:flex}.dash-head img{border:2.5px solid var(--primary);border-radius:50%;width:56px;height:56px}.attempt-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:10px;padding:15px 20px;display:flex}.attempt-row .a-name{font-weight:700}.attempt-row .a-meta{font-size:var(--fs-14);color:var(--text-2)}.attempt-row .a-score{font-weight:800;font-size:var(--fs-16);color:var(--primary)}.empty-state{text-align:center;color:var(--text-2);padding:50px 20px}.empty-state .big-ico{font-size:var(--fs-40);margin-bottom:10px}.form-grid{gap:14px;display:grid}label.f-label{font-weight:600;font-size:var(--fs-14);color:var(--text)}input.f-input,select.f-input,textarea.f-input{border:1.5px solid var(--border);border-radius:var(--r-sm);width:100%;font-family:var(--font);font-size:var(--fs-14);background:var(--surface);color:var(--text);padding:10px 13px}input.f-input:focus,select.f-input:focus,textarea.f-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #0284c71f}.toast{color:#fff;border-radius:var(--r-sm);font-weight:600;font-size:var(--fs-14);box-shadow:var(--shadow-md);z-index:200;background:#0f172a;padding:12px 22px;display:none;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast.show,.post-card{display:block}.post-card .p-cat{margin-bottom:10px}.post-card h3{font-size:var(--fs-16);line-height:1.4}.post-card .p-meta{font-size:var(--fs-14);color:var(--text-2);margin-top:8px}.article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);max-width:820px;margin:0 auto;padding:36px}.article h1{font-size:var(--fs-28);margin-bottom:8px}.article .a-meta{color:var(--text-2);font-size:var(--fs-14);border-bottom:1px solid var(--border);margin-bottom:22px;padding-bottom:16px}.article p{color:#334155;margin:13px 0}.article h2{font-size:var(--fs-20);margin:22px 0 6px}.article li{color:#334155;margin:6px 0 6px 20px}.notice{background:var(--amber-bg);color:#92400e;border-radius:var(--radius);font-size:var(--fs-14);border:1px solid #fcd34d;margin-bottom:18px;padding:12px 16px;font-weight:500}.notice.blue{background:var(--primary-light);color:var(--primary-dark);border-color:#7dd3fc}.resume-banner{background:var(--amber-bg);color:#92400e;border-radius:var(--radius);font-weight:600;font-size:var(--fs-14);border:1px solid #fcd34d;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:12px 18px;display:flex}.resume-banner .resume-ico{font-size:var(--fs-16)}.resume-btns{flex-wrap:wrap;gap:8px;display:flex}.preflight{display:none}.preflight.active{display:block}.pf-steps{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.pf-step{font-weight:700;font-size:var(--fs-14);color:var(--text-2);background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);padding:7px 16px}.pf-step.active{color:#fff;background:var(--primary);border-color:var(--primary)}.sys-rows{gap:2px;margin-top:6px;display:grid}.sys-row{border-bottom:1px solid var(--border);align-items:flex-start;gap:12px;padding:12px 4px;display:flex}.sys-row:last-child{border-bottom:none}.sys-dot{border-radius:50%;width:14px;min-width:14px;height:14px;margin-top:4px}.sys-dot.green{background:var(--green)}.sys-dot.yellow{background:var(--amber)}.sys-dot.red{background:var(--red)}.sys-info{flex-direction:column;gap:1px;display:flex}.sys-info b{font-size:var(--fs-14)}.sys-info span{font-size:var(--fs-14);color:var(--text-2)}.sys-info em{font-size:var(--fs-14);color:var(--amber);margin-top:2px;font-style:normal}.sys-verdict{border-radius:var(--radius);font-weight:600;font-size:var(--fs-14);margin-top:16px;padding:12px 16px}.sys-verdict.green{background:var(--green-bg);color:#166534}.sys-verdict.yellow{background:var(--amber-bg);color:#92400e}.sys-verdict.red{background:var(--red-bg);color:#991b1b}.ins-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.ins-cell{border:1px solid var(--border);border-radius:var(--r-sm);background:#f8fafc;flex-direction:column;gap:2px;padding:10px 12px;display:flex}.ins-cell span{font-size:var(--fs-12);text-transform:uppercase;letter-spacing:.04em;color:var(--text-2);font-weight:600}.ins-cell b{font-size:var(--fs-16)}.ins-rules{margin-top:4px;list-style:none}.ins-rules li{font-size:var(--fs-14);color:#334155;border-bottom:1px dashed var(--border);padding:6px 0 6px 22px;position:relative}.ins-rules li:last-child{border:none}.ins-rules li:before{content:"›";color:var(--primary);font-weight:800;position:absolute;left:6px}.legend-sample{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));display:grid}.legend-sample i{margin-right:8px}.ins-agree{font-weight:600;font-size:var(--fs-14);background:var(--primary-light);border-radius:var(--r-sm);cursor:pointer;border:1px solid #7dd3fc;align-items:center;gap:10px;margin-top:20px;padding:12px 14px;display:flex}.ins-agree input{width:18px;height:18px;accent-color:var(--primary)}.engine-status{align-items:center;gap:10px;display:flex}.engine-tools{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn-icon{border:1px solid var(--border);border-radius:var(--r-sm);width:34px;height:34px;font-size:var(--fs-14);cursor:pointer;color:var(--text-2);background:#f1f5f9;justify-content:center;align-items:center;font-weight:700;display:flex}.btn-icon:hover{background:var(--primary-light);color:var(--primary-dark)}.net-status{font-size:var(--fs-12);font-weight:700}.net-status.on{color:var(--green)}.net-status.off{color:var(--red)}.save-status{font-size:var(--fs-12);color:var(--text-2);font-weight:700}.save-status.ok{color:var(--green)}.save-status.err{color:var(--red)}.pq.answered{background:var(--green);border-color:var(--green);color:#fff}.pq.notans{color:#991b1b;background:#fecaca;border-color:#ef4444}.pq.marked{color:#fff;background:#a855f7;border-color:#a855f7}.pq.ansmarked{background:var(--green);color:#fff;border-color:#a855f7;position:relative}.pq.ansmarked:after{content:"";background:#a855f7;border:1.5px solid #fff;border-radius:50%;width:10px;height:10px;position:absolute;top:-3px;right:-3px}.pq.notvisited{border-color:var(--border);color:var(--text-2);background:#f1f5f9}.pq.current{outline:2.5px solid var(--primary);outline-offset:1px}.ansmarked-swatch{background:var(--green);border:1px solid #a855f7;border-radius:4px;width:12px;height:12px;display:inline-block;box-shadow:1px -1px #a855f7}.modal-overlay{z-index:300;background:#0f172a8c;justify-content:center;align-items:center;padding:20px;display:none;position:fixed;inset:0}.modal-overlay.show{display:flex}.modal{background:var(--surface);border-radius:var(--r-md);box-shadow:var(--shadow-md);width:100%;max-width:460px;padding:28px}.sub-stats{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.sub-cell{border:1px solid var(--border);border-radius:var(--r-sm);text-align:center;background:#f8fafc;padding:14px}.sub-cell .v{font-size:var(--fs-28);font-weight:800}.sub-cell .l{font-size:var(--fs-12);color:var(--text-2);text-transform:uppercase;letter-spacing:.03em;font-weight:600}.hm{aspect-ratio:1;border-radius:var(--r-sm);font-size:var(--fs-12);color:#fff;border:1px solid #0000;justify-content:center;align-items:center;font-weight:700;display:flex}.sa-wrap{gap:14px;margin-top:10px;display:grid}.sa-row{grid-template-columns:150px 1fr;align-items:center;gap:12px;display:grid}.sa-name{font-weight:700;font-size:var(--fs-14)}.sa-bar{border-radius:var(--r-sm);background:#f1f5f9;height:16px;overflow:hidden}.sa-fill{background:var(--primary);border-radius:var(--r-sm);height:100%}.sa-meta{font-size:var(--fs-12);color:var(--text-2);margin-top:4px;font-weight:600}body.font-small{font-size:var(--fs-14)}body.font-large{font-size:var(--fs-16)}body.dark{--ink:#f1f5f9;--ink-2:#cbd5e1;--bg:#0b1220;--surface:#111c2e;--text:#e2e8f0;--text-2:#94a3b8;--text-3:#a6b4c7;--border:#22334d;--primary:#38bdf8;--primary-dark:#7dd3fc;--primary-light:#0e2a44;--green:#4ade80;--green-bg:#0f2e1e;--red:#f87171;--red-bg:#3a1620;--amber:#fbbf24;--amber-bg:#3a2c0f}body.dark h1,body.dark h2,body.dark h3,body.dark h4,body.dark .q-text{color:#f1f5f9}body.dark .opt{background:#0e1a2b}body.dark .opt:hover{background:#132339}body.dark .opt .ob{color:var(--text-2);background:#0b1220}body.dark .btn-icon,body.dark .pill,body.dark .ins-cell,body.dark .sub-cell,body.dark .sys-row{background:#0e1a2b}body.dark .sa-bar,body.dark .pq.notvisited{background:#1a2740}body.dark table.clean th{background:#0e1a2b}body.dark .solution{background:#0e2233}body.dark .modal,body.dark .card{background:var(--surface)}@media (max-width:920px){.hero-grid,.engine-grid,.res-grid,.ins-grid{grid-template-columns:1fr}.grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,1fr)}.ins-grid{grid-template-columns:1fr 1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.sa-row{grid-template-columns:1fr}.nav-links{display:none}.nav-drawer-backdrop{z-index:190;background:#0f172a73;display:none;position:fixed;inset:0}.nav-drawer-backdrop.open{display:block}.mobile-nav-drawer{background:var(--surface);width:min(320px,86vw);box-shadow:2px 0 0 var(--primary),var(--shadow-md);z-index:200;flex-direction:column;align-items:stretch;padding:0;transition:transform .22s;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;transform:translate(-100%)}.mobile-nav-drawer.open{transform:translate(0)}.nav-drawer-head{border-bottom:1px solid var(--border);flex:none;justify-content:space-between;align-items:center;padding:18px 16px;display:flex}.nav-drawer-brand{font-weight:800;font-size:var(--fs-16);color:#0f172a;align-items:center;gap:10px;display:flex}.nav-drawer-brand .mark-img{border-radius:var(--r-sm);object-fit:contain;width:28px;height:28px;box-shadow:var(--shadow);background:#fff;padding:1px}.nav-drawer-close{cursor:pointer;color:var(--text-2);border-radius:var(--r-sm);background:0 0;border:none;padding:6px;display:flex}.nav-drawer-close:hover{background:var(--primary-light);color:var(--primary-dark)}.mobile-nav-drawer a{font-weight:600;font-size:var(--fs-16);color:#334155;border-radius:0;align-items:center;gap:14px;padding:14px 18px;display:flex}.mobile-nav-drawer a:active,.mobile-nav-drawer a:hover{background:var(--primary-light)}.mobile-nav-drawer a.active{color:var(--primary);background:var(--primary-light)}.nav-drawer-linkicon{font-size:var(--fs-20);color:var(--primary);flex:none}.mobile-nav-drawer a.active .nav-drawer-linkicon{color:inherit}.nav-drawer-linkicon-svg{width:1.3rem;height:1.3rem;display:inline-flex}.nav-drawer-linkicon-svg svg{width:100%;height:100%}.nav-drawer-group{border-top:1px solid var(--border);margin-top:4px;padding:6px 0}.nav-drawer-group-label{font-size:var(--fs-12);letter-spacing:.06em;text-transform:uppercase;color:var(--text-2);padding:10px 18px 4px;font-weight:700}.nav-drawer-group a{padding-top:11px;padding-bottom:11px}.nav-drawer-foot{border-top:1px solid var(--border);flex-direction:column;flex:none;gap:12px;margin-top:auto;padding:16px;display:flex}.nav-drawer-social{justify-content:center;gap:10px;display:flex}.nav-drawer-social a{background:var(--primary-light);width:36px;height:36px;color:var(--primary-dark);border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex}.nav-drawer-social svg{width:16px;height:16px}.nav-drawer-cta{justify-content:center;width:100%}.nav-drawer-auth{border-bottom:1px solid var(--border);flex:none;gap:10px;padding:12px 16px;display:flex}.nav-drawer-auth .btn{white-space:nowrap;flex:1 1 0;justify-content:center}.nav-inner{justify-content:flex-start;align-items:center;display:flex}.nav-toggle{order:1;align-items:center;gap:6px;margin-right:12px;display:inline-flex}.nav-inner .logo{order:2;margin-right:auto}.nav-user-cluster,#navUser{order:3}.palette{position:static}.search-label{display:none}.engine-top{align-items:flex-start}}.notif-bar{background:var(--primary-dark);color:var(--primary-light);font-size:var(--fs-14);align-items:center;gap:10px;padding:9px 16px;display:flex}.notif-bar .notif-ico{font-size:var(--fs-16)}.notif-bar .notif-msg{flex:1}.notif-bar .notif-msg b{color:#fff}.notif-bar .notif-cta{color:var(--primary-dark);border-radius:var(--r-sm);font-weight:700;font-size:var(--fs-14);background:#fff;padding:4px 12px;text-decoration:none}.notif-bar .notif-x{color:var(--primary-pale);font-size:var(--fs-20);cursor:pointer;background:0 0;border:0;line-height:1}.flag-btn{border:1px solid var(--border);color:var(--text-2);font-size:var(--fs-12);border-radius:var(--r-lg);cursor:pointer;vertical-align:middle;background:0 0;padding:2px 8px;font-weight:600}.flag-btn:hover{border-color:var(--red);color:var(--red);background:var(--red-bg)}.flag-modal{z-index:2000;background:#0f172a80;justify-content:center;align-items:center;padding:16px;display:none;position:fixed;inset:0}.flag-modal.open{display:flex}.flag-card{border-radius:var(--r-md);background:#fff;width:100%;max-width:420px;padding:22px;box-shadow:0 18px 50px #02081740}.flag-card h3{margin-bottom:6px}.flag-card .flag-q{font-size:var(--fs-14);color:var(--text-2);border-radius:var(--r-sm);background:#f1f5f9;margin-bottom:12px;padding:8px 10px}.flag-cats{flex-direction:column;gap:6px;display:flex}.flag-cat{font-size:var(--fs-14);cursor:pointer;align-items:center;gap:8px;display:flex}.mcq-toolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.schema-box{border-radius:var(--r-sm);font-size:var(--fs-14);background:#f1f5f9;padding:12px 14px;line-height:1.6}.schema-box code{font-size:var(--fs-12);background:#e2e8f0;border-radius:5px;padding:1px 6px}.mix-grid{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.mix-grid>div{flex-direction:column;gap:3px;display:flex}.mix-grid span{font-size:var(--fs-14);color:var(--text-2);font-weight:600}.mix-grid input{padding:7px 8px}.chk{font-size:var(--fs-14);color:var(--text-2);align-items:center;gap:8px;display:flex}.edit-card{border:2px solid var(--primary-light);margin-bottom:14px}.admin-tabs{flex-wrap:wrap}.ins-full{counter-reset:insc;margin:6px 0 4px;padding:0;list-style:none}.ins-full>li{font-size:var(--fs-14);color:#334155;border-bottom:1px dashed var(--border);counter-increment:insc;padding:9px 0 9px 34px;line-height:1.6;position:relative}.ins-full>li:last-child{border-bottom:none}.ins-full>li:before{content:counter(insc);text-align:center;background:var(--primary-light);width:22px;height:22px;color:var(--primary-dark);line-height:22px;font-size:var(--fs-12);border-radius:50%;flex-shrink:0;font-weight:800;position:absolute;top:9px;left:0}.ins-sub{font-size:var(--fs-16);color:var(--primary-dark);margin:18px 0 4px;font-weight:700}.ins-inner{margin:8px 0 4px 2px;padding-left:20px;list-style:none}.ins-inner li{font-size:var(--fs-14);padding:4px 0 4px 22px;line-height:1.55;position:relative}.ins-inner li:before{content:"✓";color:var(--green);font-weight:800;position:absolute;top:4px;left:0}.ins-full .legend-sample{grid-template-columns:1fr;gap:8px}.legend-sample span{font-size:var(--fs-14);color:#334155;align-items:center;gap:10px;display:flex}.legend-sample .pq{font-size:var(--fs-12);flex:none}body.in-fullscreen nav.nav,body.in-fullscreen footer,body.in-fullscreen .notif-bar{display:none!important}body.in-fullscreen .engine{padding-top:10px}@media (max-width:640px){.grid-4,.grid-3,.grid-2,.stats-grid,.footer-grid,.ins-grid{grid-template-columns:1fr}.card{padding:16px}.plan-card{padding:20px!important}.exam-block{margin:16px 0!important;padding:16px!important}.exam-block-head{flex-direction:column;align-items:flex-start!important;gap:12px!important}.nav-inner .badge{display:none!important}.engine{padding:10px 0 90px}.engine-top{gap:8px;padding:10px 12px}.engine-top .t-name{font-size:var(--fs-16)}.engine-tools{gap:6px}.engine-tools .btn-icon{padding:6px 8px}.engine-grid{gap:14px}.q-area{padding:14px}.q-text{font-size:1rem;line-height:1.55}.opt{padding:13px 12px;font-size:.98rem}.opt .ob{width:26px;height:26px;line-height:26px}.palette{padding:14px;position:static}.palette-grid{grid-template-columns:repeat(6,1fr);max-height:150px}.pq{font-size:var(--fs-14)}.q-actions{z-index:50;background:var(--surface);border-top:1px solid var(--border);grid-template-columns:1fr 1.4fr;gap:8px;margin:0;padding:10px 12px;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #02081714}.q-actions .btn{margin:0}.q-actions button:first-child{grid-column:1}.q-actions button:nth-child(2){grid-column:2}.q-actions button:nth-child(3),.q-actions button:nth-child(4){grid-row:2}.ins-full>li{font-size:var(--fs-14);padding-left:30px}.ins-grid{grid-template-columns:1fr}.ebook-detail-grid{grid-template-columns:1fr!important}}.btn-google-lg{color:#1f2937;border-radius:var(--r-md);width:100%;font-size:var(--fs-16);cursor:pointer;box-shadow:var(--shadow-1);background:#fff;border:1.5px solid #dadce0;justify-content:center;align-items:center;gap:12px;padding:15px 18px;font-family:inherit;font-weight:700;transition:all .16s;display:flex}.btn-google-lg:hover{box-shadow:var(--shadow-2);border-color:#c7ccd1;transform:translateY(-1px)}.btn-google-lg .g-ico{display:flex}.g-sub{text-align:center;font-size:var(--fs-14);color:var(--text-2);margin:10px 0 2px}.login-nudge{background:linear-gradient(90deg,#eff6ff,var(--primary-light));border-bottom:1px solid var(--primary-pale);font-size:var(--fs-14);color:var(--primary-deep);flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;padding:9px 18px;display:flex}.login-nudge .ln-text{flex:0 auto}.login-nudge .ln-btn{border-radius:var(--r-sm);font-weight:700;font-size:var(--fs-14);color:#1f2937;cursor:pointer;box-shadow:var(--shadow-1);background:#fff;border:1px solid #dadce0;align-items:center;gap:8px;padding:7px 14px;display:inline-flex}.login-nudge .ln-btn:hover{box-shadow:var(--shadow-2)}.login-nudge .ln-x{color:var(--primary-deep);font-size:var(--fs-20);cursor:pointer;opacity:.6;background:0 0;border:0;line-height:1}.login-nudge .ln-x:hover{opacity:1}@media (max-width:640px){.login-nudge{font-size:var(--fs-14);padding:8px 12px}.login-nudge .ln-text{text-align:center;flex-basis:100%}}.bell-wrap{margin-right:6px;display:inline-block;position:relative}.bell-btn{font-size:var(--fs-20);cursor:pointer;background:0 0;border:0;padding:6px;line-height:1;position:relative}.bell-dot{background:var(--red);border:2px solid var(--surface);border-radius:50%;width:9px;height:9px;position:absolute;top:3px;right:3px}.bell-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);width:330px;max-width:88vw;box-shadow:var(--shadow-3);z-index:200;display:none;position:absolute;top:120%;right:0;overflow:hidden}.bell-panel.open{display:block}.bell-head{border-bottom:1px solid var(--border);font-weight:700;font-size:var(--fs-14);padding:12px 16px}.bell-item{border-bottom:1px solid var(--border);align-items:flex-start;gap:10px;padding:12px 16px;display:flex}.bell-item:last-child{border-bottom:none}.bell-item.unread{background:var(--primary-light)}.bell-item .bi-ico{font-size:var(--fs-16)}.bell-item .bi-body{font-size:var(--fs-14);flex:1}.bell-item .bi-body b{margin-bottom:1px;display:block}.bell-item .bi-body p{color:var(--text-2);margin:0;line-height:1.45}.bell-item .bi-time{font-size:var(--fs-12);color:var(--text-2)}.bell-empty{text-align:center;color:var(--text-2);font-size:var(--fs-14);padding:22px 16px}.rv-carousel{gap:12px;padding:4px 2px 8px;display:flex;overflow-x:auto}.rv-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);width:180px;color:inherit;box-shadow:var(--shadow);flex-direction:column;flex:none;gap:6px;padding:14px;text-decoration:none;transition:all .15s;display:flex}.rv-card:hover{border-color:var(--primary-pale);transform:translateY(-2px);box-shadow:0 8px 20px #0208171a}.rv-card .rv-ico{font-size:var(--fs-20)}.rv-card .rv-label{font-weight:700;font-size:var(--fs-14);line-height:1.3}.rv-card .rv-type{font-size:var(--fs-14);text-transform:uppercase;letter-spacing:.05em;color:var(--text-2);font-weight:600}.refer-card{border-top:3px solid var(--primary)}.refer-link{gap:8px;margin-top:12px;display:flex}.refer-link input{border:1px solid var(--border);border-radius:var(--r-sm);font-size:var(--fs-14);color:var(--text-2);background:#f8fafc;flex:1;padding:9px 12px}.refer-share{gap:8px;margin-top:10px;display:flex}.res-stat.perf{border-top:3px solid var(--border)}.res-stat.perf.ok{border-top-color:var(--green)}.res-stat.perf.bad{border-top-color:var(--red)}.admin-shell section{padding:0}.admin-shell{align-items:flex-start;gap:22px;display:flex}.admin-side{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex:0 0 220px;max-height:calc(100vh - 96px);padding:10px;position:sticky;top:76px;overflow:auto}.admin-main{flex:1;min-width:0}.admin-side .admin-tabs{flex-direction:column;gap:2px;margin:0;display:flex}.admin-side .admin-tab{color:var(--text-2);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:9px 12px;font-size:.88rem;font-weight:600;display:flex}.admin-side .admin-tab:hover{background:var(--primary-light);color:var(--primary-dark)}.admin-side .admin-tab.active{background:var(--primary);color:#fff}.admin-side .admin-tab .ti{text-align:center;width:20px}.side-group{font-size:var(--fs-14);text-transform:uppercase;letter-spacing:.08em;color:var(--text-2);padding:12px 12px 3px;font-weight:800}.admin-side-top{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:4px;padding:6px 10px 10px;display:flex}.side-brand{font-weight:800}.side-toggle{font-size:var(--fs-16);cursor:pointer;background:0 0;border:0}.admin-shell.collapsed .admin-side{flex-basis:58px}.admin-shell.collapsed .tl,.admin-shell.collapsed .side-group,.admin-shell.collapsed .side-brand{display:none}.admin-shell.collapsed .admin-tab{justify-content:center;padding:9px 6px}@media (max-width:920px){.admin-shell{flex-direction:column}.admin-side{flex-basis:auto;width:100%;max-height:none;position:static}.admin-side .admin-tabs{flex-flow:wrap}.side-group,.admin-side-top{display:none}.admin-side .admin-tab .tl{font-size:.82rem}}.switch{flex:none;width:44px;height:24px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{border-radius:var(--r-lg);cursor:pointer;background:#cbd5e1;transition:all .2s;position:absolute;inset:0}.slider:before{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:all .2s;position:absolute;top:3px;left:3px}.switch input:checked+.slider{background:var(--primary)}.switch input:checked+.slider:before{transform:translate(20px)}.feat-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:14px;padding:12px 0;display:flex}.feat-row:last-child{border-bottom:none}.wysiwyg-toolbar{flex-wrap:wrap;gap:4px;margin-bottom:6px;display:flex}.wysiwyg-toolbar button{border:1px solid var(--border);border-radius:var(--r-sm);cursor:pointer;font-size:var(--fs-14);background:#f8fafc;padding:5px 10px}.wysiwyg-toolbar button:hover{background:var(--primary-light)}.wysiwyg{border:1px solid var(--border);border-radius:var(--r-sm);min-height:180px;font-size:var(--fs-14);background:#fff;padding:12px;line-height:1.6}.wysiwyg:focus{outline:2px solid var(--primary-light)}.study-chapter{margin:10px 0}.study-chapter h3{font-size:var(--fs-16);color:var(--primary-dark);margin-bottom:4px}.study-items{font-size:var(--fs-14);margin:0 0 0 18px;line-height:1.7}.study-items a{color:var(--primary);text-decoration:none}.study-items a:hover{text-decoration:underline}.q-img{border:1px solid var(--border);border-radius:8px;max-width:100%;margin:10px 0}mjx-container{max-width:100%;overflow-x:auto}:root{--radius:12px;--accent:#6366f1;--shadow:0 1px 2px #0f172a0d,0 2px 6px #0f172a0d;--shadow-md:0 6px 22px #0284c724;--shadow-lg:0 18px 44px #02081724}body{font-size:var(--fs-16);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}.btn{background:var(--primary);transition:transform .14s,box-shadow .14s,background .14s;box-shadow:0 1px 2px #0284c740}.btn:hover{background:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-lg{border-radius:var(--r-md)}.card{transition:box-shadow .18s,transform .18s,border-color .18s}a.card:hover,.card.hoverable:hover{box-shadow:var(--shadow-md);border-color:#93cbe9;transform:translateY(-3px)}a.card .icon,.card .icon{transition:transform .18s}a.card:hover .icon{transform:scale(1.08)}.eyebrow{background:var(--primary-light);box-shadow:inset 0 0 0 1px #1a4fc729}.stats-band{background:linear-gradient(180deg,#fbfdff,var(--surface))}.stat .num{color:var(--primary-dark)}.tag{border-radius:var(--r-sm)}.pill{border-radius:var(--r-pill)}.section-head h2{position:relative}.h-lg,.h-xl{color:#0b1220}.f-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #0284c726}a:focus-visible,button:focus-visible,.topic-chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.topic-chip:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light);transform:translateY(-1px)}.nav{-webkit-backdrop-filter:saturate(1.4)blur(8px);backdrop-filter:saturate(1.4)blur(8px);background:#ffffffdb}.score-hero,.banner{border-radius:var(--r-md)}.btn-outline{color:var(--primary);border-color:var(--primary);box-shadow:none;background:#fff}.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);box-shadow:none;transform:translateY(-1px)}.btn-ghost{color:#475569;border-color:var(--border);box-shadow:none;background:0 0}.btn-ghost:hover{color:#1e293b;box-shadow:none;background:#eef4f9;transform:translateY(-1px)}.btn-green{background:linear-gradient(180deg,#1fae54,var(--green));color:#fff}.btn-green:hover{background:linear-gradient(180deg,var(--green),#15803d)}.btn-red{background:linear-gradient(180deg,#e23c3c,var(--red));color:#fff}.btn-red:hover{background:linear-gradient(180deg,var(--red),#b91c1c)}.banner .btn{color:var(--primary-dark);background:#fff}.banner .btn:hover{background:var(--primary-light);color:var(--primary-dark)}.score-hero .btn[style*="background:#fff"]{color:var(--primary-dark)!important}body.dark .btn-outline{background:0 0}body.dark .btn-ghost{color:#cbd5e1;border-color:#22334d}body.dark .btn-ghost:hover{color:#f1f5f9;background:#1a2740}body.exam-on{-webkit-user-select:none;user-select:none}body.exam-on input,body.exam-on textarea,body.exam-on select,body.exam-on [contenteditable=true],body.exam-on .f-input{-webkit-user-select:text;user-select:text}body.mcq-protect img{-webkit-user-drag:none;user-drag:none}.bell-wrap{margin-right:2px}.bell-btn{border-radius:var(--r-sm);border:1px solid var(--border);width:38px;height:38px;font-size:var(--fs-16);color:#334155;background:#f1f5f9;justify-content:center;align-items:center;padding:0;transition:all .15s;display:inline-flex}.bell-btn:hover{background:var(--primary-light);border-color:#7dd3fc}.bell-btn svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}.bell-count{background:var(--red);color:#fff;min-width:19px;height:19px;font-size:var(--fs-12);border-radius:var(--r-pill);border:2px solid var(--surface);justify-content:center;align-items:center;padding:0 5px;font-weight:800;line-height:1;display:flex;position:absolute;top:-7px;right:-7px;box-shadow:0 2px 6px #dc262659}.bell-head{justify-content:space-between;align-items:center;display:flex}.bell-head .bh-mark{font-size:var(--fs-12);color:var(--primary);cursor:pointer;background:0 0;border:none;font-weight:600}#navUser.nav-user-cluster{flex-shrink:0;order:99;align-items:center;gap:10px;margin-left:4px;display:flex}#navUser.nav-user-cluster .bell-wrap{margin-right:0}@media (max-width:860px){#navUser.nav-user-cluster{gap:8px}#navUser.nav-user-cluster .bell-panel{width:auto;max-width:none;position:fixed;top:64px;left:10px;right:10px}}.dash-tabs{border-bottom:2px solid var(--border);flex-wrap:wrap;gap:4px;margin:6px 0 24px;display:flex;overflow-x:auto}.dash-tab{color:var(--text-2);cursor:pointer;font-size:.92rem;font-weight:700;font-family:var(--font);white-space:nowrap;background:0 0;border:none;border-bottom:2.5px solid #0000;align-items:center;gap:7px;margin-bottom:-2px;padding:10px 18px;display:inline-flex}.dash-tab:hover{color:var(--primary-dark)}.dash-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.dash-panel{display:none}.dash-panel.active{display:block}.notes-toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.notes-grid{grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:14px;display:grid}.note-card{border-radius:var(--r-md);border:1px solid #0f172a0f;flex-direction:column;gap:8px;min-height:150px;padding:16px 16px 12px;transition:transform .14s,box-shadow .14s;display:flex;position:relative;box-shadow:0 2px 8px #0f172a17}.note-card:hover{transform:translateY(-2px)rotate(-.3deg);box-shadow:0 8px 20px #0f172a21}.note-card .n-cat{font-size:var(--fs-14);text-transform:uppercase;letter-spacing:.05em;color:#334155;border-radius:var(--r-pill);background:#0f172a14;align-self:flex-start;padding:3px 9px;font-weight:800}.note-card .n-body{font-size:var(--fs-14);color:#1e293b;white-space:pre-wrap;word-break:break-word;flex:1;line-height:1.55}.note-card .n-foot{font-size:var(--fs-14);color:#64748b;justify-content:space-between;align-items:center;display:flex}.note-card .n-acts{gap:4px;display:flex}.note-card .n-acts button{border-radius:var(--r-sm);cursor:pointer;width:26px;height:26px;font-size:var(--fs-14);background:#ffffff8c;border:none}.note-card .n-acts button:hover{background:#fff}.note-yellow{background:linear-gradient(#fefce8,#fef9c3)}.note-blue{background:linear-gradient(180deg,var(--primary-wash),var(--primary-light))}.note-green{background:linear-gradient(#f0fdf4,#dcfce7)}.note-pink{background:linear-gradient(#fdf2f8,#fce7f3)}.note-purple{background:linear-gradient(#faf5ff,#f3e8ff)}.note-swatches{gap:8px;display:flex}.note-swatches span{border-radius:var(--r-sm);cursor:pointer;border:2px solid #0000;width:26px;height:26px}.note-swatches span.sel{border-color:#0f172a}.book-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px;display:grid}.book-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);color:inherit;flex-direction:column;text-decoration:none;transition:all .16s;display:flex;overflow:hidden}.book-card:hover{box-shadow:var(--shadow-md);border-color:#93cbe9;transform:translateY(-3px)}.book-cover{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;height:150px;font-weight:800;font-size:var(--fs-16);text-align:center;justify-content:center;align-items:center;padding:16px;line-height:1.4;display:flex;position:relative}.book-cover img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.book-cover .bk-lock{border-radius:var(--r-pill);font-size:var(--fs-14);background:#0f172aa6;padding:3px 9px;font-weight:700;position:absolute;top:8px;right:8px}.book-info{flex-direction:column;flex:1;gap:4px;padding:13px 15px;display:flex}.book-info b{font-size:var(--fs-16);line-height:1.35}.book-info span{font-size:var(--fs-14);color:var(--text-2)}.book-progress{border-radius:var(--r-pill);background:#e2e8f0;height:4px;margin-top:auto;overflow:hidden}.book-progress i{background:var(--primary);height:100%;display:block}.reader-wrap{max-width:820px;margin:0 auto;padding:0 16px 60px}.reader-top{z-index:60;background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 4px;display:flex;position:sticky;top:0}.reader-top .r-title{font-weight:800;font-size:var(--fs-16)}.reader-tools{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.reader-body{font-family:var(--font),var(--font-hindi);font-size:var(--fs-16);color:#233044;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);margin-top:18px;padding:clamp(22px,5vw,52px);line-height:1.95}.reader-body h1,.reader-body h2,.reader-body h3{margin:26px 0 10px;font-family:inherit}.reader-body p{margin:14px 0}.reader-body img{border-radius:var(--r-sm)}body.reader-sepia{--bg:#f5efe2}body.reader-sepia .reader-body{color:#3d3427;background:#faf5e9;border-color:#e6dcc3}body.dark .reader-body{color:#dbe6f3;background:#111c2e}.reader-nav{justify-content:space-between;gap:10px;margin-top:22px;display:flex}.reader-progressbar{background:var(--primary);z-index:70;width:0;height:3px;position:fixed;top:0;left:0}.chapter-list{gap:6px;margin-top:14px;display:grid}.chapter-item{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);cursor:pointer;font-weight:600;font-size:var(--fs-14);justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;transition:all .13s;display:flex}.chapter-item:hover{border-color:var(--primary);background:var(--primary-light)}.chapter-item .ch-done{font-size:var(--fs-14);color:var(--green);font-weight:700}@media print{body.exam-on .q-area,body.exam-on .palette{display:none!important}body.exam-on:after{content:"Printing is disabled during a live test on Pareeksha.in";padding:40px;font-weight:700;display:block}}.sitemap-hero{background:linear-gradient(180deg,#e8f4fd,var(--bg));border-bottom:1px solid var(--border);padding:44px 0 30px}.sitemap-cols{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:26px;display:grid}.sitemap-group{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);padding:20px}.sitemap-group h3{font-size:var(--fs-16);color:var(--primary-dark);align-items:center;gap:8px;margin-bottom:10px;display:flex}.sitemap-group a{font-size:var(--fs-14);color:#334155;border-bottom:1px dashed var(--border);padding:6px 0 6px 2px;display:block}.sitemap-group a:last-child{border-bottom:none}.sitemap-group a:hover{color:var(--primary);padding-left:6px;transition:all .12s}.sitemap-count{font-size:var(--fs-12);color:var(--text-2);border-radius:var(--r-pill);background:#f1f5f9;margin-left:auto;padding:2px 9px;font-weight:700}.ref-stats{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px;display:grid}@media (max-width:640px){.ref-stats{grid-template-columns:1fr}}#credential_picker_container{top:64px!important}body.admin-page #panel>.container{max-width:100%;padding:0 28px}body.admin-page nav .nav-inner{max-width:100%}.admin-side{background:linear-gradient(185deg,var(--primary-deep) 0%,var(--primary-dark) 55%,#0369a1 100%);color:var(--primary-light);border-color:#0b4a6e}.admin-side .side-brand,.admin-side .side-toggle{color:#fff}.admin-side .admin-side-top{border-bottom-color:#ffffff2e}.admin-side .side-group{color:#7dd3fc}.admin-side .admin-tab{color:#cfe9fb}.admin-side .admin-tab:hover{color:#fff;background:#ffffff1f}.admin-side .admin-tab.active{color:var(--primary-dark);background:#fff;box-shadow:0 2px 8px #02081740}@media (min-width:921px){body.admin-page .admin-side{flex-basis:246px}}body.admin-page,body.admin-page *{-webkit-user-select:text!important;user-select:text!important}.notes-fab{z-index:900;background:var(--primary);color:#fff;cursor:pointer;width:56px;height:56px;font-size:var(--fs-28);border:none;border-radius:50%;justify-content:center;align-items:center;transition:transform .16s,box-shadow .16s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 8px 22px #0284c773}.notes-fab:hover{transform:translateY(-3px)scale(1.05);box-shadow:0 12px 30px #0284c78c}.notes-fab svg{fill:none;stroke:#fff;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:26px;height:26px}.notes-box{z-index:901;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md) var(--r-md) var(--r-sm) var(--r-md);flex-direction:column;width:340px;max-width:calc(100vw - 32px);display:none;position:fixed;bottom:92px;right:24px;overflow:hidden;box-shadow:0 20px 50px #02081747}.notes-box.open{animation:.16s ease-out notepop;display:flex}@keyframes notepop{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.notes-box .nb-head{background:var(--primary);color:#fff;font-weight:700;font-size:var(--fs-16);justify-content:space-between;align-items:center;padding:11px 14px;display:flex}.notes-box .nb-head button{color:#fff;cursor:pointer;font-size:var(--fs-20);opacity:.9;background:0 0;border:none;line-height:1}.notes-box .nb-head button:hover{opacity:1}.notes-box .nb-body{flex-direction:column;gap:9px;max-height:60vh;padding:12px 14px;display:flex;overflow:auto}.notes-box input.nb-in,.notes-box textarea.nb-in{border:1.5px solid var(--border);border-radius:var(--r-sm);width:100%;font-family:var(--font);font-size:var(--fs-14);color:var(--text);background:#fff;padding:9px 12px}.notes-box textarea.nb-in{resize:vertical;min-height:74px}.notes-box .nb-save{background:var(--primary);color:#fff;border-radius:var(--r-sm);cursor:pointer;font-weight:700;font-size:var(--fs-14);border:none;padding:10px}.notes-box .nb-save:hover{background:var(--primary-dark)}.notes-box .nb-recent{border-top:1px dashed var(--border);flex-direction:column;gap:6px;margin-top:2px;padding-top:8px;display:flex}.notes-box .nb-note{border-radius:var(--r-sm);font-size:var(--fs-14);background:#fefce8;border:1px solid #fde68a;padding:7px 10px;position:relative}.notes-box .nb-note b{font-size:var(--fs-14);display:block}.notes-box .nb-note .nb-sub{color:var(--text-2);font-size:var(--fs-14)}.notes-box .nb-note .nb-del{cursor:pointer;color:#b45309;font-size:var(--fs-14);background:0 0;border:none;position:absolute;top:5px;right:6px}.notes-box .nb-guest{font-size:var(--fs-14);color:var(--text-2);text-align:center;padding:6px 0}.notes-box .nb-status{font-size:var(--fs-14);color:var(--green);min-height:14px;font-weight:600}body.in-fullscreen .notes-fab,body.in-fullscreen .notes-box{display:none!important}.q-passage{border:1px solid var(--border);border-left:4px solid var(--primary);color:#334155;background:#f8fafc;border-radius:0 10px 10px 0;max-height:340px;margin:6px 0 16px;padding:14px 16px;font-size:.96rem;line-height:1.7;overflow:auto}.q-passage .qp-label{text-transform:uppercase;letter-spacing:.06em;color:var(--primary-dark);margin-bottom:6px;font-size:.7rem;font-weight:800;display:block}body.dark .q-passage{color:#cbd5e1;background:#0e1a2b}.sec-timing-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px;padding:9px 14px;display:flex}.sec-chip{font-weight:700;font-size:var(--fs-14);border-radius:var(--r-pill);color:var(--text-2);white-space:nowrap;background:#f1f5f9;padding:5px 12px}.sec-chip.active{background:var(--primary);color:#fff}.sec-chip.done{background:var(--green-bg);color:#166534}.sec-timer{font-variant-numeric:tabular-nums;background:var(--amber-bg);color:#92400e;border-radius:8px;margin-left:auto;padding:6px 14px;font-size:.95rem;font-weight:800}.sec-timer.danger{background:var(--red-bg);color:var(--red);animation:1s steps(2,end) infinite blink}.qlang{border:1px solid var(--border);border-radius:var(--r-pill);vertical-align:middle;margin-left:8px;display:inline-flex;overflow:hidden}.qlang button{color:var(--text-2);font-weight:700;font-size:var(--fs-12);cursor:pointer;background:#fff;border:none;padding:3px 11px}.qlang button.on{background:var(--primary);color:#fff}.q-translate-note{color:var(--amber);margin-top:4px;font-size:.72rem;font-weight:600}.mcq-menu{display:inline-block;position:relative}.mcq-menu-btn{border:1px solid var(--border);border-radius:var(--r-sm);cursor:pointer;font-weight:700;font-size:var(--fs-14);color:#334155;background:#f1f5f9;padding:6px 12px}.mcq-menu-btn:hover{background:var(--primary-light);color:var(--primary-dark);border-color:#7dd3fc}.mcq-menu-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);z-index:60;min-width:180px;padding:6px;display:none;position:absolute;top:110%;right:0;box-shadow:0 14px 40px #0208172e}.mcq-menu.open .mcq-menu-list{display:block}.mcq-menu-list button{text-align:left;border-radius:var(--r-sm);width:100%;font-weight:600;font-size:var(--fs-14);cursor:pointer;color:var(--text);background:0 0;border:none;align-items:center;gap:8px;padding:8px 10px;display:flex}.mcq-menu-list button:hover{background:var(--primary-light)}.mcq-menu-list button.danger{color:var(--red)}.mcq-menu-list button.danger:hover{background:var(--red-bg)}.reader-body.paged{column-width:100vw;column-fill:auto;column-gap:0;height:72vh;max-height:none;transition:none;overflow:hidden}.reader-paged-wrap{position:relative;overflow:hidden}.reader-pagenav{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);justify-content:space-between;align-items:center;gap:10px;margin-top:14px;padding:8px 14px;display:flex}.reader-pagenav .rp-page{font-weight:700;font-size:var(--fs-14);color:var(--text-2);font-variant-numeric:tabular-nums}.reader-pagenav button{border:1px solid var(--border);border-radius:var(--r-sm);width:42px;height:38px;font-size:var(--fs-16);cursor:pointer;color:#334155;background:#f1f5f9}.reader-pagenav button:hover:not(:disabled){background:var(--primary-light);color:var(--primary-dark)}.reader-pagenav button:disabled{opacity:.4;cursor:not-allowed}.reader-body table.md-table{border-collapse:collapse;width:100%;font-size:var(--fs-16);margin:14px 0}.reader-body table.md-table th{text-align:left;border:1px solid var(--border);background:#eef4f9;padding:8px 11px;font-weight:700}.reader-body table.md-table td{border:1px solid var(--border);padding:8px 11px}.ov-sec-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:6px;display:grid}.ov-sec{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);border-top:3px solid var(--primary);padding:16px}.ov-sec h4{font-size:var(--fs-14);text-transform:none;letter-spacing:0;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.ov-sec .ov-num{font-size:var(--fs-28);color:var(--primary);font-weight:800}.ov-sec .ov-topics{flex-wrap:wrap;gap:5px;max-height:120px;margin-top:8px;display:flex;overflow:auto}.ov-sec .ov-topics .pill{cursor:pointer;font-size:var(--fs-12)}.ov-sec .ov-topics .pill:hover{background:var(--primary-light);color:var(--primary-dark)}.ov-sec .ov-manage{margin-top:10px}.an-subhead{font-size:var(--fs-14);text-transform:uppercase;letter-spacing:.07em;color:var(--text-2);margin:20px 0 8px;font-weight:800}.mcq-stats{flex-wrap:wrap;gap:10px;margin-bottom:14px;display:flex}.mcq-stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);font-size:var(--fs-12);color:var(--text-2);cursor:pointer;text-align:left;flex-direction:column;gap:2px;padding:10px 16px;transition:all .15s;display:flex}.mcq-stat b{font-size:var(--fs-20);color:var(--text);font-variant-numeric:tabular-nums}.mcq-stat:hover{background:var(--primary-light);border-color:#7dd3fc}.mcq-stat.on{border-color:var(--primary);background:var(--primary-light)}.mcq-stat.total{border-top:3px solid var(--primary);cursor:default}.mcq-stat.total b{color:var(--primary);font-size:var(--fs-20)}.mcq-stat.warn b{color:var(--amber,#d97706)}.mcq-bulkbar{border-radius:var(--r-sm);font-size:var(--fs-14);background:#eff6ff;border:1px solid #bfdbfe;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;padding:10px 14px;display:flex}.mcq-cb{width:16px;height:16px;accent-color:var(--primary);cursor:pointer;flex-shrink:0;margin-right:10px}.attempt-row.sel{background:var(--primary-light)}.attempt-row.mcq-head{background:#f8fafc;padding:8px 14px}.mcq-pager{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:14px;display:flex}.docx-drop{border:1px dashed var(--border);border-radius:var(--r-sm);background:#f8fafc;flex-wrap:wrap;align-items:center;gap:12px;padding:12px 14px;display:flex}.ax-exam-list{flex-wrap:wrap;gap:8px;display:flex}.ax-exam{border:1.5px solid var(--border);border-radius:var(--r-sm);font-weight:700;font-size:var(--fs-14);cursor:pointer;font-family:var(--font);color:var(--text);background:#f8fafc;padding:10px 14px;transition:all .13s}.ax-exam:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}.ax-exam.ax-sect{text-align:left;font-weight:600;font-size:var(--fs-14);color:var(--text-2);flex-basis:100%}#axPaperBar{flex-wrap:wrap;align-items:center;gap:6px;display:flex}#axPaperBar .ax-lbl{font-weight:700;font-size:var(--fs-14);margin-right:4px}#axPaperBar .paper-btn.on{background:var(--primary);border-color:var(--primary);color:#fff}.ax-summ{font-size:var(--fs-14);color:var(--text-2);margin:4px 0 10px}.ax-sec{font-size:var(--fs-14);color:var(--primary-dark);border-bottom:1px solid var(--border);margin:18px 0 8px;padding-bottom:5px}.ax-q{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);margin-bottom:10px;padding:12px 14px}.ax-qh{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;display:flex}.ax-qh .ax-n{font-weight:800;font-size:var(--fs-14);color:var(--text-2)}.ax-qh .ax-act{gap:6px;margin-left:auto;display:flex}.ax-qt{font-size:var(--fs-16);margin-bottom:8px;font-weight:600;line-height:1.5}.ax-opts{grid-template-columns:1fr 1fr;gap:6px;display:grid}.ax-opt{font-size:var(--fs-14);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text-2);background:#f8fafc;padding:6px 10px}.ax-opt.ok{color:#166534;background:#dcfce7;border-color:#86efac;font-weight:700}@media (max-width:640px){.ax-opts{grid-template-columns:1fr}.ax-qh .ax-act{width:100%;margin-left:0}}.cover-up{flex-wrap:wrap;align-items:center;gap:12px;margin-top:8px;display:flex}.cover-prev{object-fit:cover;border-radius:var(--r-sm);border:1px solid var(--border);width:56px;height:74px;box-shadow:var(--shadow)}.docx-prev{border:1px solid var(--border);border-radius:var(--r-sm);margin-top:4px;overflow:hidden}.docx-prev-head{font-size:var(--fs-14);color:var(--text-2);text-transform:uppercase;letter-spacing:.06em;background:#eef4f9;padding:8px 14px;font-weight:700}.docx-prev .reader-body{max-height:300px;padding:16px 18px;overflow:auto}.reader-body h1,.reader-body h2{font-family:var(--font-head);font-size:var(--fs-20);margin:20px 0 10px}.reader-body h3{font-size:var(--fs-16);margin:16px 0 8px}.reader-body ul,.reader-body ol{margin:10px 0 10px 22px}.reader-body li{margin:4px 0}.reader-body blockquote{border-left:3px solid var(--primary);background:var(--primary-light);border-radius:0 var(--r-sm) var(--r-sm) 0;margin:12px 0;padding:10px 16px}.reader-body img{border-radius:var(--r-sm);max-width:100%;margin:10px 0}.reader-body table{border-collapse:collapse;width:100%;font-size:var(--fs-16);margin:14px 0}.reader-body table th{text-align:left;border:1px solid var(--border);background:#eef4f9;padding:8px 11px;font-weight:700}.reader-body table td{border:1px solid var(--border);padding:8px 11px}.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);margin-bottom:10px}.faq-item summary{cursor:pointer;padding:16px 40px 16px 18px;font-weight:700;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";font-size:var(--fs-20);color:var(--primary);font-weight:800;position:absolute;top:12px;right:18px}.faq-item[open] summary:after{content:"–"}.faq-item p{color:var(--text-2);padding:0 18px 16px;line-height:1.7}.cd-row{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.cd-row:empty{display:none}.cd-chip{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);font-size:var(--fs-14);color:var(--text-2);box-shadow:var(--shadow);padding:6px 14px;font-weight:600}.cd-chip b{color:var(--primary);font-size:var(--fs-16)}.offer-chip{color:#92400e;font-weight:700;font-size:var(--fs-14);border-radius:var(--r-pill);box-shadow:var(--shadow-1);background:linear-gradient(90deg,#fffbeb,#fef3c7);border:1px solid #fcd34d;align-items:center;gap:7px;padding:7px 16px;display:inline-flex}.offer-chip b{color:#166534}.offer-chip s{opacity:.75;font-weight:800}.topstrip b{color:#e8c87a}.topstrip s{color:var(--primary-pale);opacity:.9}.topstrip{position:relative}.topstrip .ts-inner{padding:0 40px}.hero .offer-chip{font-size:var(--fs-16);box-shadow:var(--shadow-1);padding:11px 20px;animation:2.2s ease-in-out infinite offerPulse}.offer-cta-row{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}.offer-cta-row .btn{font-size:var(--fs-14);padding:9px 18px}@keyframes offerPulse{0%,to{box-shadow:0 2px 10px #d9770638}50%{box-shadow:0 2px 18px #d9770673,0 0 0 4px #fcd34d40}}.topstrip{font-size:var(--fs-14);padding:9px 0}.topstrip .ts-inner{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;padding:0 40px;display:inline-flex}.ts-cta{color:#78350f;font-weight:800;font-size:var(--fs-14);border-radius:var(--r-pill);white-space:nowrap;background:#fde68a;padding:4px 12px;box-shadow:0 1px 3px #00000026}.ts-cta:hover{background:#fcd34d}@media (prefers-reduced-motion:reduce){.hero .offer-chip{animation:none}}.topstrip .ts-x{color:var(--primary-light);border-radius:var(--r-sm);width:22px;height:22px;line-height:1;font-size:var(--fs-16);cursor:pointer;z-index:2;background:#ffffff1f;border:none;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.topstrip .ts-x:hover{color:#fff;background:#ffffff40}.hdr-sale{color:var(--text);flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.hdr-sale-gift{flex:none}.hdr-sale-text{flex-direction:column;align-items:center;gap:3px;line-height:1.15;display:flex}.hdr-sale-title{font-size:var(--fs-14);color:var(--text);white-space:nowrap;font-weight:800}.hdr-sale-pill{color:#fff;font-weight:800;font-size:var(--fs-14);border-radius:var(--r-sm);white-space:nowrap;font-variant-numeric:tabular-nums;background:#ef3b36;align-items:center;gap:6px;padding:4px 12px;display:inline-flex}.hdr-sale:hover .hdr-sale-pill{background:#dc2a26}@media (max-width:1100px){.hdr-sale-gift{display:none}}@media (max-width:860px){.hdr-sale-title,.hdr-sale-ends{display:none}.hdr-sale-pill{font-size:var(--fs-12);padding:5px 8px}}@media (max-width:400px){.hdr-sale-pill svg{display:none}}.user-toggle{cursor:pointer;font-family:var(--font);color:var(--text);background:0 0;border:none;align-items:center;gap:8px;padding:0;display:inline-flex}.user-toggle-name{font-weight:700;font-size:var(--fs-14);color:var(--primary-dark);text-overflow:ellipsis;white-space:nowrap;max-width:110px;overflow:hidden}.user-toggle-caret{transition:transform .15s}.user-toggle-caret.open{transform:rotate(180deg)}@media (max-width:860px){.user-toggle-name,.user-toggle-caret{display:none!important}}.user-menu.user-menu-account{border-radius:var(--r-sm);border-top:3px solid var(--primary);min-width:230px;padding:0;top:calc(100% + 8px);right:0;overflow:hidden}.user-menu-account .u-name{font-style:italic;font-weight:500;font-size:var(--fs-16);color:var(--text-2);border-bottom:1px solid var(--border);padding:12px 16px}.user-menu-account a,.user-menu-account button{font-size:var(--fs-16);border-bottom:1px solid var(--border);border-radius:0;padding:13px 16px;font-weight:600}.user-menu-account>:last-child{border-bottom:none}.prac-features{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.prac-feat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);align-items:flex-start;gap:12px;padding:16px;display:flex}.prac-feat .pf-ico{font-size:var(--fs-28);flex:none;line-height:1}.prac-feat b{font-size:var(--fs-16);color:#0f172a;margin-bottom:3px;display:block}.prac-feat span{font-size:var(--fs-14);color:var(--text-2);line-height:1.55}@media (max-width:860px){.prac-features{grid-template-columns:1fr 1fr}}@media (max-width:520px){.prac-features{grid-template-columns:1fr}}.exam-guide p,.ots-content p,.article p,.article li,.post-body p,.post-body li,.reader-body p{text-align:justify;text-justify:inter-word;-webkit-hyphens:auto;hyphens:auto}@media (max-width:520px){.exam-guide p,.ots-content p,.article p,.article li,.post-body p,.post-body li,.reader-body p{text-align:left;-webkit-hyphens:manual;hyphens:manual}}.exam-guide h2{font-size:var(--fs-28);margin-bottom:8px;scroll-margin-top:120px}.exam-guide h3{font-size:var(--fs-16);color:var(--primary-dark);margin:26px 0 8px}.exam-guide p{color:#334155;margin:0 0 14px;line-height:1.85}.exam-guide .faq-item summary{font-size:var(--fs-16)}.exams-index-group{margin-bottom:40px}.exams-index-group:last-child{margin-bottom:0}.exams-index-group h2{font-size:var(--fs-16);color:var(--text-2);text-transform:uppercase;letter-spacing:var(--ls-caps);align-items:center;gap:10px;margin:0 0 16px;font-weight:800;display:flex}.exams-index-group h2:after{content:"";background:var(--border);flex:1;height:1px}.exam-guide-card{position:relative;overflow:hidden}.exam-guide-card .egc-badge{position:absolute;top:14px;right:14px}.exam-guide-card:hover{border-color:var(--primary)}.guide-rating{font-size:var(--fs-14);color:#92400e;border-radius:var(--r-pill);background:#fffbeb;border:1px solid #fde68a;align-items:center;gap:6px;padding:5px 12px;font-weight:700;display:inline-flex}.guide-quicknav{z-index:40;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow);position:sticky;top:64px}.guide-quicknav-inner{scrollbar-width:none;gap:8px;padding:12px 20px;display:flex;overflow-x:auto}.guide-quicknav-inner::-webkit-scrollbar{display:none}.guide-quicknav a{font-size:var(--fs-14);color:var(--text-2);background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);white-space:nowrap;scroll-snap-align:start;flex:none;padding:7px 16px;font-weight:700}.guide-quicknav a:hover{color:var(--primary-dark);border-color:var(--primary);background:var(--primary-light)}.guide-sticky-cta{display:none}@media (max-width:640px){.guide-sticky-cta{z-index:90;padding:10px 14px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));background:var(--surface);border-top:1px solid var(--border);box-shadow:var(--shadow-1);gap:10px;display:flex;position:fixed;bottom:0;left:0;right:0}.guide-sticky-cta .btn{font-size:var(--fs-14);flex:1;padding:12px 10px}.guide-sticky-pad{height:64px}}.ots-content h2{font-size:var(--fs-28);margin-bottom:8px}.ots-content h3{font-size:var(--fs-16);margin:26px 0 8px}.ots-content p{color:#334155;margin:0 0 14px;line-height:1.8}.ots-content .clean{margin:6px 0 8px}.ots-content .clean td{vertical-align:top}.ots-list{gap:10px;margin:6px 0 14px;list-style:none;display:grid}.ots-list li{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:var(--shadow);padding:12px 16px;line-height:1.7}.ots-list li a{color:var(--primary);white-space:nowrap;font-weight:700}.ots-content .faq-item summary{font-size:var(--fs-16)}.breadcrumb{font-size:var(--fs-14);color:var(--text-2);flex-wrap:wrap;align-items:center;gap:7px;margin:0 0 16px;font-weight:600;display:flex}.breadcrumb a{color:var(--primary);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.breadcrumb span{color:#94a3b8}.breadcrumb .bc-cur{color:var(--text-2);text-overflow:ellipsis;white-space:nowrap;max-width:60ch;font-weight:600;overflow:hidden}.footer-about{border-top:1px solid #ffffff1f;margin-top:18px;padding-top:18px}.footer-about h4{color:#fff;font-size:var(--fs-16);margin-bottom:8px}.footer-about p{font-size:var(--fs-14);opacity:.88;max-width:60rem;line-height:1.75}.section-head h2.h-lg:before{content:"";border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),#6366f1);width:44px;height:4px;margin-bottom:12px;display:block}.card .icon{background:linear-gradient(135deg,var(--primary-light),#eef2ff)}::selection{background:var(--primary-light);color:var(--primary-dark)}.dash-shell{align-items:flex-start;gap:24px;display:flex}.dash-side{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;flex:0 0 232px;gap:3px;padding:12px;display:flex;position:sticky;top:80px}.dash-main{flex:1;min-width:0}.dash-side-title{text-transform:uppercase;letter-spacing:.1em;color:var(--text-2);padding:4px 12px 8px;font-size:.66rem;font-weight:800}.dash-side .dash-tab{text-align:left;width:100%;color:var(--text-2);cursor:pointer;font-size:.92rem;font-weight:700;font-family:var(--font);background:0 0;border:none;border-radius:10px;align-items:center;gap:11px;margin-bottom:0;padding:11px 13px;transition:all .14s;display:flex}.dash-side .dash-tab .ti{text-align:center;width:22px;font-size:1.05rem}.dash-side .dash-tab:hover{background:var(--primary-light);color:var(--primary-dark)}.dash-side .dash-tab.active{background:var(--primary);color:#fff;box-shadow:0 3px 10px #0284c747}.dash-unlock{border-top:1px dashed var(--border);margin-top:10px;padding-top:12px}.dash-unlock .du-card{background:linear-gradient(160deg,var(--primary-wash),#eef2ff);border:1px solid var(--primary-pale);color:var(--primary-dark);border-radius:12px;padding:13px 14px;font-size:.8rem}.dash-unlock .du-card b{margin-bottom:3px;font-size:.86rem;display:block}.dash-unlock .du-bar{background:var(--primary-light);border-radius:99px;height:7px;margin:8px 0 6px;overflow:hidden}.dash-unlock .du-bar i{background:linear-gradient(90deg,var(--primary),#6366f1);border-radius:99px;height:100%;transition:width .4s;display:block}.dash-unlock .du-cta{color:var(--primary);cursor:pointer;margin-top:6px;font-weight:800;display:inline-block}.dash-unlock .du-done{color:#166534;background:linear-gradient(160deg,#f0fdf4,#dcfce7);border-color:#86efac}@media (max-width:920px){.dash-shell{flex-direction:column}.dash-side{flex-flow:wrap;flex-basis:auto;align-items:center;width:100%;padding:8px;position:static}.dash-side-title{display:none}.dash-side .dash-tab{flex:auto;justify-content:center;width:auto;padding:9px 10px;font-size:.84rem}.dash-side .dash-tab .tl{white-space:nowrap}.dash-unlock{border-top:none;width:100%;margin-top:6px;padding-top:2px}}.unlock-card{text-align:left;max-width:440px;position:relative}.unlock-card .ul-x{font-size:var(--fs-20);color:var(--text-2);cursor:pointer;background:0 0;border:none;line-height:1;position:absolute;top:10px;right:14px}.unlock-card .ul-emoji{font-size:var(--fs-40);text-align:center;margin-bottom:4px}.unlock-card .ul-sub{font-size:var(--fs-14);color:var(--text-2);text-align:center;margin-top:8px;line-height:1.65}.unlock-card .offer-chip{text-align:center;justify-content:center;display:flex}.ul-progress{color:var(--primary-dark);justify-content:center;align-items:center;gap:8px;margin-top:16px;font-weight:800;display:flex}.ul-plabel{font-size:var(--fs-12);text-transform:uppercase;letter-spacing:.06em;color:var(--text-2);font-weight:700}.ul-dot{border:2px dashed var(--border);width:30px;height:30px;color:var(--text-2);font-weight:800;font-size:var(--fs-14);background:#f1f5f9;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.ul-dot.on{background:var(--green);border:2px solid var(--green);color:#fff}.results.locked section .container>:not(.res-lock){display:none}.res-lock{justify-content:center;padding:30px 0 10px;display:flex}.rl-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-lg,0 18px 44px #02081724);text-align:center;width:100%;max-width:520px;padding:36px 30px}.rl-emoji{font-size:var(--fs-40);margin-bottom:6px}.rl-score{color:var(--primary);filter:blur();letter-spacing:.02em;font-variant-numeric:tabular-nums;margin:14px 0 6px;font-size:clamp(2.2rem,6vw,3.2rem);font-weight:800}.rl-score span{font-size:var(--fs-20);color:var(--text-2);font-weight:700}.rl-sub{color:var(--text-2);font-size:var(--fs-16);max-width:26rem;margin:6px auto 18px;line-height:1.7}.rl-dismiss{color:var(--text-2);font-size:var(--fs-14);cursor:pointer;font-weight:600;font-family:var(--font);background:0 0;border:none;margin:14px auto 0;text-decoration:underline;display:block}.rl-dismiss:hover{color:var(--text)}.lang-switch{border:2px solid var(--primary);border-radius:var(--r-pill);box-shadow:var(--shadow-1);background:#fff;display:inline-flex;overflow:hidden}.lang-switch button{color:var(--link);font-weight:800;font-size:var(--fs-14);cursor:pointer;font-family:var(--font);background:#fff;border:none;padding:8px 18px;line-height:1;transition:all .13s}.lang-switch button.hindi{font-family:var(--font-hindi)}.lang-switch button.on{background:var(--primary);color:#fff}body.dark .lang-switch{background:#0e1a2b}body.dark .lang-switch button{color:var(--primary-pale);background:#0e1a2b}body.dark .lang-switch button.on{background:var(--primary);color:#fff}.btn-submit{font-size:var(--fs-16);letter-spacing:.01em;border-radius:var(--r-sm);padding:11px 26px;font-weight:800;animation:none;box-shadow:0 4px 14px #dc262659}.btn-submit:hover{transform:translateY(-1px);box-shadow:0 6px 20px #dc262673}.pal-toggle{display:none}@media (max-width:640px){body.exam-on nav.nav,body.exam-on footer,body.exam-on .topstrip,body.exam-on .login-nudge,body.exam-on .notes-fab,body.exam-on .notes-box{display:none!important}body.exam-on .engine{padding:6px 0 96px}body.exam-on .engine-top{margin-bottom:10px}.q-text{margin:10px 0 14px}.opt{margin-bottom:8px;padding:12px}.q-area{padding:12px}.engine .palette{display:none}.engine .palette.open{z-index:140;border:none;border-radius:18px 18px 0 0;max-height:68vh;margin:0;padding:16px 16px 110px;display:block;position:fixed;bottom:0;left:0;right:0;overflow:auto;box-shadow:0 -14px 44px #0208174d}body.exam-on .pal-toggle{z-index:141;background:var(--primary-dark);color:#fff;font-size:.85rem;font-weight:800;font-family:var(--font);cursor:pointer;border:none;border-radius:999px;align-items:center;gap:7px;padding:10px 16px;display:inline-flex;position:fixed;bottom:118px;right:12px;box-shadow:0 8px 22px #02081759}.lang-switch button{font-size:var(--fs-14);padding:7px 13px}.btn-submit{font-size:var(--fs-14);padding:9px 16px}}.reader-wrap{max-width:620px}.reader-body{font-size:var(--fs-16)}.reader-body.paged{height:78vh}@media (max-width:640px){.reader-body{font-size:var(--fs-16);padding:20px 18px;line-height:1.85}.reader-body.paged{height:72vh}}.offer-chip{position:relative;overflow:hidden}.offer-chip:after{content:"";pointer-events:none;background:linear-gradient(105deg,#0000 0%,#ffffffd9 45%,#fffffff2 50%,#0000 100%);width:55%;animation:3.2s ease-in-out infinite shine;position:absolute;top:0;bottom:0;left:-80%;transform:skew(-20deg)}@keyframes shine{0%{left:-80%}55%{left:130%}to{left:130%}}.topstrip{position:relative;overflow:hidden}.topstrip:after{content:"";pointer-events:none;background:linear-gradient(105deg,#0000,#ffffff38,#0000);width:26%;animation:4.5s ease-in-out infinite shine;position:absolute;top:0;bottom:0;left:-40%;transform:skew(-20deg)}.topstrip b{text-shadow:0 0 12px #fde68a99}@media (prefers-reduced-motion:reduce){.offer-chip:after,.topstrip:after{animation:none;display:none}}@media (max-width:640px){.qd-grid{grid-template-columns:1fr}}.exam-card{color:inherit;flex-direction:column;padding:18px 18px 16px;text-decoration:none;display:flex;position:relative}.exam-card-head{align-items:flex-start;gap:12px;padding-right:74px;display:flex}.exam-avatar{width:34px;height:34px;font-weight:800;font-size:var(--fs-14);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.exam-avatar-red{background:var(--red-bg);color:var(--red-ink)}.exam-avatar-amber{background:var(--amber-bg);color:var(--amber-ink)}.exam-avatar-green{background:var(--green-bg);color:var(--green-ink)}.exam-avatar-indigo{background:var(--indigo-bg);color:var(--indigo-ink)}.exam-card-title{font-size:var(--fs-16);margin:2px 0 0;line-height:1.3}.exam-card-count{font-size:var(--fs-12);position:absolute;top:18px;right:18px}.exam-card-meta{font-size:var(--fs-14);color:var(--text-2);margin:12px 0 16px;padding:0;line-height:1.6;list-style:none}.exam-card-meta li{padding-left:13px;position:relative}ul.exam-card-meta li:before{content:"";background:var(--text-3);border-radius:50%;width:4px;height:4px;position:absolute;top:.55em;left:0}.exam-card-cta{text-align:center;width:100%;font-size:var(--fs-14);margin-top:auto;padding:10px}.paper-label{font-size:var(--fs-12);color:var(--text-2);text-transform:uppercase;letter-spacing:.05em;margin:12px 0 8px;font-weight:700}.paper-grid{flex-wrap:wrap;gap:7px;display:flex}.paper-btn{border:1.5px solid var(--border);border-radius:var(--r-sm);width:42px;height:40px;color:var(--text);font-weight:800;font-size:var(--fs-14);cursor:pointer;font-family:var(--font);background:#f8fafc;transition:all .13s}.paper-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #0284c74d}.paper-btn.paper-done{background:var(--green);border-color:var(--green);color:#fff;position:relative}.paper-btn.paper-done:after{content:"✓";color:var(--green);width:16px;height:16px;font-size:var(--fs-12);background:#fff;border-radius:50%;font-weight:900;line-height:16px;position:absolute;top:-6px;right:-4px;box-shadow:0 1px 3px #00000040}.reader-shell{align-items:flex-start;gap:22px;max-width:min(96vw,1320px);margin:0 auto;padding:0 16px 60px;transition:max-width .2s;display:flex}.reader-toc{background:var(--surface);border:1px solid var(--border);flex:0 0 250px;transition:flex-basis .2s,opacity .2s,margin .2s;position:sticky;top:76px}.reader-toc.collapsed{opacity:0;pointer-events:none;border:none;flex-basis:0;width:0;min-width:0;margin:0;overflow:hidden}.reader-toc-toggle{border:1px solid var(--border);background:var(--surface);width:34px;height:34px;color:var(--primary-dark);cursor:pointer;box-shadow:var(--shadow);border-radius:50%;flex:none;justify-content:center;align-self:flex-start;align-items:center;font-weight:800;display:flex;position:sticky;top:76px}.reader-toc-toggle:hover{background:var(--primary-light)}.reader-toc{border-radius:var(--r-md);box-shadow:var(--shadow);flex-direction:column;max-height:calc(100vh - 96px);display:flex;overflow:hidden}.reader-toc .rt-tabs{border-bottom:1px solid var(--border);display:flex}.reader-toc .rt-tab{font-weight:700;font-size:var(--fs-14);cursor:pointer;color:var(--text-2);font-family:var(--font);background:#f8fafc;border:none;flex:1;padding:10px 8px}.reader-toc .rt-tab.on{background:var(--surface);color:var(--primary)}.reader-toc .rt-body{padding:8px;overflow:auto}.rt-ch{border-radius:var(--r-sm);cursor:pointer;font-size:var(--fs-14);color:var(--text-2);align-items:baseline;gap:8px;padding:9px 10px;font-weight:600;line-height:1.4;display:flex}.rt-ch:hover{background:var(--primary-light);color:var(--primary-dark)}.rt-ch.on{background:var(--primary);color:#fff}.rt-ch .rt-n{font-size:var(--fs-14);opacity:.7;min-width:18px;font-weight:800}.rt-hl{border-radius:var(--r-sm);font-size:var(--fs-14);background:#fefce8;border:1px solid #fde68a;margin-bottom:7px;padding:8px 10px;line-height:1.5;position:relative}.rt-hl .rt-hl-ch{font-size:var(--fs-14);color:#b45309;text-transform:uppercase;letter-spacing:.04em;cursor:pointer;margin-bottom:2px;font-weight:800;display:block}.rt-hl .rt-hl-x{cursor:pointer;font-size:var(--fs-14);color:#b45309;background:0 0;border:none;position:absolute;top:4px;right:6px}.reader-main{flex:1;min-width:0}.reader-body mark.pk-hl{background:#fef08a;border-radius:3px;padding:0 1px}.hl-pop{z-index:300;color:#fff;border-radius:var(--r-sm);font-weight:700;font-size:var(--fs-14);cursor:pointer;font-family:var(--font);background:#0f172a;border:none;padding:7px 13px;position:absolute;box-shadow:0 8px 22px #02081759}.hl-pop:hover{background:var(--primary-dark)}.reader-body.paged{height:var(--reader-page-h,72vh);column-fill:auto;min-height:460px;overflow:hidden}.reader-body.paged p,.reader-body.paged li,.reader-body.paged img,.reader-body.paged h1,.reader-body.paged h2,.reader-body.paged h3,.reader-body.paged blockquote{break-inside:avoid}.reader-body.paged table,.reader-body.paged tr{break-inside:auto}.reader-body.paged img{object-fit:contain;max-height:60vh}@media (max-width:860px){.reader-shell{flex-direction:column}.reader-toc{flex-basis:auto;order:2;width:100%;max-height:290px;position:static}.reader-toc.collapsed{display:none}.reader-toc-toggle{order:1;align-self:flex-end;margin-bottom:-6px;position:static}.reader-main{order:3}.reader-body.paged{height:66vh}}.reader-body{overflow-wrap:break-word;word-break:normal}.reader-body .table-wrap{-webkit-overflow-scrolling:touch;margin:14px 0;overflow-x:auto}.reader-body .table-wrap table{margin:0}.reader-progress-pct{z-index:101;font-size:var(--fs-14);color:var(--primary-dark);border:1px solid var(--border);border-radius:var(--r-pill);box-shadow:var(--shadow);background:#fff;padding:2px 8px;font-weight:800;position:fixed;top:6px;right:10px}.rt-search{border-bottom:1px solid var(--border);padding:8px}.rt-search input{border:1px solid var(--border);border-radius:var(--r-sm);width:100%;font-size:var(--fs-14);font-family:var(--font);padding:7px 10px}.rt-time{font-size:var(--fs-14);opacity:.65;margin-left:4px;font-weight:700}.rt-time-badge{font-size:var(--fs-12);color:var(--text-2);font-weight:600}body.dark .reader-progress-pct{color:#e2e8f0;background:#111c2e}.ots-subnav{z-index:60;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-bottom:1px solid var(--border);background:#e8f4fdf0;position:sticky;top:65px}.ots-subnav-inner{flex-wrap:wrap;gap:6px;padding:9px 20px;display:flex}.ots-subnav-inner a{font-size:var(--fs-14);color:var(--primary-dark);border:1px solid var(--border);border-radius:var(--r-pill);white-space:nowrap;background:#fff;padding:6px 13px;font-weight:700}.ots-subnav-inner a:hover{border-color:var(--primary);background:var(--primary-light)}.ots-step{background:var(--primary);color:#fff;width:24px;height:24px;font-size:var(--fs-12);vertical-align:middle;border-radius:50%;justify-content:center;align-items:center;margin-right:6px;display:inline-flex}@media (max-width:640px){.ots-subnav-inner{gap:5px;padding:8px 14px}.ots-subnav-inner a{font-size:var(--fs-14);padding:5px 10px}}.prac-subnav{z-index:50;background:var(--bg);flex-wrap:wrap;gap:8px;margin-bottom:6px;padding:8px 0;display:flex;position:sticky;top:65px}.prac-subnav a{font-size:var(--fs-14);color:var(--primary-dark);border:1px solid var(--border);border-radius:var(--r-pill);background:#fff;padding:6px 13px;font-weight:700}.prac-subnav a:hover{border-color:var(--primary);background:var(--primary-light)}.section{padding-block:40px}.narrow{max-width:760px}.center{text-align:center}.small{font-size:var(--fs-14)}.lede{font-size:var(--fs-16);max-width:62ch}.btn{border-radius:var(--radius);font:inherit;cursor:pointer;background:var(--primary);color:#fff;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;transition:all .15s;display:inline-flex}.btn.btn-ghost,.btn.btn-outline,.btn.btn-light,.btn.btn-text{background:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.btn:focus-visible{outline:3px solid var(--primary);outline-offset:2px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-ghost{border-color:var(--border);color:var(--text)}.btn-ghost:hover:not(:disabled){background:var(--primary-light);border-color:var(--primary)}.btn-lg{font-size:var(--fs-16);padding:14px 26px}.btn-sm{font-size:var(--fs-14);padding:6px 14px}.badge{background:var(--primary-light);color:var(--primary-dark);border-radius:var(--r-pill);font-size:var(--fs-12);padding:3px 10px;font-weight:600;display:inline-block}.badge-green{background:var(--green-bg);color:var(--green)}.badge-amber{background:var(--amber-bg);color:var(--amber)}.badge-red{background:var(--red-bg);color:var(--red)}.hero{background:linear-gradient(180deg,var(--primary-light),var(--bg));text-align:center;padding:64px 0 48px}.hero-cta{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px;display:flex}.hero .lede{margin:14px auto 0}.card-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:20px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;transition:all .15s;display:block}.card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-2px)}.card-ico{font-size:var(--fs-28)}.price-line{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:12px;margin:12px 0;display:flex}.price-now{font-size:var(--fs-40);color:var(--primary-dark);font-weight:800}.price-was{font-size:var(--fs-20);color:var(--text-2)}.pricing-strip{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;box-shadow:var(--shadow)}.plan-card{background:var(--surface);border:2px solid var(--primary);border-radius:var(--radius);box-shadow:var(--shadow-md);margin:24px 0;padding:28px}.plan-head{text-align:center}.tick-list{text-align:left;margin:20px 0;gap:8px;max-width:520px;margin-inline:auto;list-style:none;display:grid}.tick-list li:before{content:"✓";color:var(--green);margin-right:10px;font-weight:800}.unlock-split{grid-template-columns:1fr 1fr;gap:24px;margin-top:16px;display:grid}.ref-link{background:var(--bg);border:1px dashed var(--border);border-radius:var(--r-sm);font-size:var(--fs-14);word-break:break-all;margin-top:8px;padding:10px;display:block}.free-note{background:var(--primary-light);border-radius:var(--radius);margin-top:24px;padding:20px}.success-mark{background:var(--green-bg);width:64px;height:64px;color:var(--green);font-size:var(--fs-28);border-radius:50%;place-items:center;margin:0 auto 16px;display:grid}.quota-bar{background:var(--amber-bg);color:#78350f;border-radius:var(--radius);font-size:var(--fs-14);margin:16px 0;padding:12px 16px}.quota-bar.ok{background:var(--green-bg);color:#14532d}.quota-bar a{font-weight:700;text-decoration:underline}.exam-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin:20px 0;padding:22px}.exam-block-head{align-items:flex-start;gap:14px;display:flex}.paper-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:18px;display:grid}.paper-card{border:1px solid var(--border);border-radius:var(--r-sm);flex-direction:column;align-items:flex-start;gap:6px;padding:12px;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.paper-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-2px)}.pro-banner{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface-2,var(--bg));flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 20px;margin:18px 0 0;padding:14px 16px;display:flex}.pro-banner-text{flex:240px;min-width:0}.pro-banner-text strong{color:var(--text-1);font-size:var(--fs-16);display:block}.pro-banner-text span{color:var(--text-2);font-size:var(--fs-14);margin-top:2px;display:block}.paper-locked{margin-top:14px}.paper-locked>summary{cursor:pointer;min-height:44px;font-weight:700;font-size:var(--fs-14);color:var(--primary);align-items:center;display:flex}.paper-locked>summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--r-sm)}.paper-chip-grid{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;margin-top:6px;display:grid}.paper-chip{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg);min-height:44px;color:var(--text-1);font-size:var(--fs-14);white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding:0 10px;font-weight:600;text-decoration:none;display:flex}.paper-chip:hover{border-color:var(--primary);color:var(--primary)}.paper-chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.exam-shell{background:var(--surface);flex-direction:column;min-height:100vh;display:flex}.exam-bar{border-bottom:2px solid var(--border);background:var(--surface);z-index:20;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:12px 20px;display:flex;position:sticky;top:0}.exam-bar-actions{gap:8px;display:flex}.exam-timer{font-variant-numeric:tabular-nums;font-size:var(--fs-28);color:var(--primary-dark);background:var(--primary-light);border-radius:var(--r-sm);padding:4px 16px;font-weight:800}.exam-timer.low{color:var(--red);background:var(--red-bg);animation:1s infinite pulse}@keyframes pulse{50%{opacity:.6}}@media (prefers-reduced-motion:reduce){.exam-timer.low{animation:none}*{transition:none!important}}.exam-body{flex:1;grid-template-columns:1fr 280px;align-items:start;gap:24px;padding:24px;display:grid}.exam-question{max-width:820px}.q-meta{align-items:center;gap:12px;margin-bottom:14px;display:flex}.q-passage{background:var(--bg);border-left:3px solid var(--primary);border-radius:8px;margin-bottom:16px;padding:14px;font-size:.95rem}.q-text{margin-bottom:18px;font-size:1.15rem;font-weight:600;line-height:1.6}.q-image{border-radius:8px;max-width:420px;margin-bottom:16px}.q-options{gap:10px;margin-bottom:22px;list-style:none;display:grid}.opt{border:1.5px solid var(--border);border-radius:var(--radius);cursor:pointer;align-items:center;gap:12px;padding:12px 14px;transition:all .12s;display:flex}.opt:hover{border-color:var(--primary);background:var(--primary-light)}.opt-selected{border-color:var(--primary);background:var(--primary-light);font-weight:600}.opt input{accent-color:var(--primary);width:18px;height:18px}.opt-key{color:var(--text-2);min-width:20px;font-weight:800}.q-actions{flex-wrap:wrap;gap:10px;display:flex}.exam-palette{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);padding:16px;position:sticky;top:80px}.palette-legend{gap:6px;margin-bottom:14px;font-size:.78rem;display:grid}.dot{border-radius:3px;width:11px;height:11px;margin-right:6px;display:inline-block}.dot.answered{background:var(--green)}.dot.marked{background:#7c3aed}.dot.skipped{background:var(--red)}.dot.unseen{background:#cbd5e1}.palette-grid{grid-template-columns:repeat(6,1fr);gap:6px;display:grid}.pal{aspect-ratio:1;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg);color:var(--text-2);font-size:var(--fs-14);cursor:pointer;justify-content:center;align-items:center;font-weight:700;transition:all .12s;display:flex}.pal:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.pal.unseen{background:var(--bg);color:var(--text-2);border-color:var(--border)}.pal.skipped{color:#fff;background:#f43f5e;border-color:#f43f5e}.pal.answered{background:var(--green);color:#fff;border-color:var(--green)}.pal.marked{color:#fff;background:#8b5cf6;border-color:#8b5cf6}.pal.current{outline:3.5px solid var(--primary);outline-offset:1px;background:var(--primary-light);color:var(--primary);border-color:var(--primary)}body.dark .pal{color:#94a3b8;background:#1e293b;border-color:#334155}body.dark .pal:hover{border-color:var(--primary);color:var(--primary);background:#334155}body.dark .pal.unseen{color:#64748b;background:#1e293b;border-color:#334155}body.dark .pal.skipped{color:#fff;background:#ef4444;border-color:#ef4444}body.dark .pal.answered{background:var(--green);color:#fff;border-color:var(--green)}body.dark .pal.marked{color:#fff;background:#8b5cf6;border-color:#8b5cf6}body.dark .pal.current{outline:3.5px solid var(--primary);outline-offset:1px;color:#38bdf8;background:#0f172a;border-color:#38bdf8}.modal-backdrop{z-index:100;background:#0f172a8c;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius);max-width:440px;box-shadow:var(--shadow-3);padding:28px}.modal h3{margin-bottom:8px}.modal .q-actions{justify-content:flex-end;margin-top:20px}.score-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:20px 0;display:grid}.score-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);padding:16px}.score-value{font-size:var(--fs-28);color:var(--primary-dark);font-variant-numeric:tabular-nums;font-weight:800;display:block}.score-main{border-color:var(--primary);background:var(--primary-light)}.weak-list{gap:8px;list-style:none;display:grid}.weak-list li{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);justify-content:space-between;padding:10px 14px;display:flex}.review-q{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--border);border-radius:var(--radius);margin-bottom:14px;padding:20px}.review-q.right{border-left-color:var(--green)}.review-q.wrong{border-left-color:var(--red)}.review-q.skipped{border-left-color:var(--text-2)}.review-options{gap:6px;margin:14px 0;list-style:none;display:grid}.review-options li{border-radius:var(--r-sm);border:1px solid var(--border);align-items:center;gap:8px;padding:9px 12px;display:flex}.review-options li.correct{background:var(--green-bg);border-color:var(--green)}.review-options li.chosen-wrong{background:var(--red-bg);border-color:var(--red)}.tag{font-size:var(--fs-12);border-radius:var(--r-pill);margin-left:auto;padding:2px 8px;font-weight:700}.tag-green{background:var(--green);color:#fff}.tag-red{background:var(--red);color:#fff}.solution{background:var(--bg);border-radius:var(--r-sm);font-size:var(--fs-14);padding:12px 14px}.data-table{border-collapse:collapse;background:var(--surface);border-radius:var(--radius);width:100%;box-shadow:var(--shadow);overflow:hidden}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border);font-size:var(--fs-14);padding:11px 14px}.data-table th{background:var(--bg);font-weight:700;font-size:var(--fs-14);text-transform:uppercase;letter-spacing:.04em;color:var(--text-2)}.data-table tr:last-child td{border-bottom:none}.admin-nav{flex-wrap:wrap;gap:8px;margin:20px 0;display:flex}.admin-nav a{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:7px 16px;font-size:.88rem;font-weight:600}.admin-nav a:hover{border-color:var(--primary);color:var(--primary-dark)}.footer-grid{grid-template-columns:2fr repeat(3,1fr);gap:24px;padding:36px 0;display:grid}.footer-grid h4{color:#fff;font-size:var(--fs-14);text-transform:uppercase;letter-spacing:var(--ls-caps);margin-bottom:10px}.footer-grid a{color:#cbd5e1;font-size:var(--fs-14);padding:3px 0;display:block}.footer-grid a:hover{color:#fff}@media (max-width:900px){.exam-body{grid-template-columns:1fr;padding:16px}.exam-palette{z-index:200;flex-direction:column;width:300px;height:100vh;transition:right .25s cubic-bezier(.4,0,.2,1);display:flex;top:0;right:-320px;overflow-y:auto;box-shadow:-4px 0 20px #0003;background:var(--surface)!important;border:none!important;border-left:1px solid var(--border)!important;order:unset!important;border-radius:0!important;padding:24px 20px!important;position:fixed!important}.exam-palette.open{right:0!important}.palette-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:199;background:#0f172a99;width:100vw;height:100vh;animation:.2s fadeIn;position:fixed;top:0;left:0}.palette-mobile-header{display:flex!important}.pal-mobile-toggle{background:var(--primary);color:#fff;border-radius:var(--r-pill);font-weight:700;font-size:var(--fs-14);cursor:pointer;border:none;align-items:center;gap:8px;padding:12px 20px;display:inline-flex!important}.palette-grid{grid-template-columns:repeat(8,1fr)}.unlock-split,.footer-grid{grid-template-columns:1fr}.exam-bar{gap:8px;padding:10px 14px}.exam-timer{font-size:var(--fs-20);padding:4px 10px}.q-actions{grid-template-columns:repeat(3,1fr)!important;gap:8px!important;display:grid!important}.q-actions button.btn-primary{text-align:center;width:100%;order:-1!important;grid-column:span 3!important}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.dashboard-stats-grid{grid-template-columns:repeat(4,1fr)!important;gap:16px!important;margin-bottom:32px!important;display:grid!important}.admin-stats-grid{grid-template-columns:repeat(5,1fr)!important;gap:14px!important;display:grid!important}.exam-card-hover{transition:all .15s ease-in-out}.exam-card-hover:hover{transform:translateY(-4px);border-color:var(--primary)!important;box-shadow:var(--shadow-md)!important}@media (max-width:800px){.dashboard-stats-grid,.admin-stats-grid{grid-template-columns:repeat(2,1fr)!important}}@media (max-width:480px){.dashboard-stats-grid,.admin-stats-grid{grid-template-columns:1fr!important}}.aq-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px;margin-top:12px;display:grid}.aq-row{border:1px solid var(--border);border-radius:var(--r-sm);background:#f8fafc;grid-template-rows:auto auto;grid-template-columns:26px 34px 1fr;align-items:center;gap:2px 8px;padding:10px 12px;display:grid}.aq-row .aq-ico{font-size:var(--fs-16);grid-row:span 2}.aq-row b{font-size:var(--fs-20);font-variant-numeric:tabular-nums;grid-row:span 2}.aq-row .aq-label{font-weight:700;font-size:var(--fs-14)}.aq-row .aq-tip{font-size:var(--fs-12);color:var(--text-2);grid-column:3;line-height:1.4}.aq-row.good{border-left:4px solid var(--green)}.aq-row.good b{color:var(--green)}.aq-row.warn{border-left:4px solid var(--amber)}.aq-row.warn b{color:var(--amber)}.aq-row.bad{border-left:4px solid var(--red)}.aq-row.bad b{color:var(--red)}body.dark .aq-row{background:#0e1a2b}.qd-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.qd-cell{border:1px solid var(--border);border-radius:var(--r-md);background:#f8fafc;padding:13px 14px}.qd-cell b{font-size:var(--fs-14);margin-bottom:2px;display:block}.qd-cell p{font-size:var(--fs-12);color:var(--text-2);margin:0 0 8px;line-height:1.45}.qd-cell .pill{cursor:pointer;margin:2px;text-decoration:none;display:inline-block}.qd-cell .pill:hover{background:var(--primary-light);color:var(--primary-dark);border-color:#7dd3fc}.qd-cell.good{border-top:3px solid var(--green)}.qd-cell.warn{border-top:3px solid var(--amber)}.qd-cell.bad{border-top:3px solid var(--red)}@media (max-width:640px){.qd-grid{grid-template-columns:1fr}}body.dark .qd-cell{background:#0e1a2b}.hm-grid{grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:6px;margin-top:6px;display:grid}.hm{aspect-ratio:1;border-radius:var(--r-sm);font-size:var(--fs-12);color:#fff;border:1px solid #0000;justify-content:center;align-items:center;font-weight:700;text-decoration:none;display:flex}.hm.c{background:var(--green)}.hm.w{background:var(--red)}.hm.s{color:var(--text-2);background:#e2e8f0}.hm-legend{font-size:var(--fs-12);color:var(--text-2);flex-wrap:wrap;gap:16px;margin:6px 0 4px;font-weight:600;display:flex}.hm-legend i{vertical-align:-2px;border-radius:4px;width:14px;height:14px;margin-right:6px;display:inline-block}.hm-legend i.c{background:var(--green)}.hm-legend i.w{background:var(--red)}.hm-legend i.s{background:#e2e8f0}body.dark .hm.s{color:#94a3b8;background:#22334d}.legal-page{max-width:860px;margin:0 auto;padding-bottom:56px}.legal-hero{border-bottom:1px solid var(--border);margin-bottom:28px;padding:40px 0 24px}.legal-hero .eyebrow{color:var(--primary)}.legal-hero h1{margin:8px 0 6px}.legal-body{color:var(--text);flex-direction:column;gap:6px;display:flex}.legal-body h2{font-size:var(--fs-20);color:var(--primary-dark);margin:22px 0 6px}.legal-body p{color:var(--text-2);margin:0 0 6px;line-height:1.7}.legal-body ul{color:var(--text-2);flex-direction:column;gap:6px;margin:2px 0 10px;padding-left:22px;line-height:1.75;display:flex}.legal-body a{color:var(--primary);font-weight:600;text-decoration:underline}.legal-table{border-collapse:collapse;width:100%;margin:6px 0 12px;font-size:.9rem}.legal-table th,.legal-table td{border:1px solid var(--border);text-align:left;vertical-align:top;color:var(--text-2);padding:8px 10px}.legal-table th{background:var(--bg-soft,#f5f5f5);color:var(--text)}.pkf-bottom-links button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none;padding:0}.legal-body a:hover{color:var(--primary-dark)}.contact-grid{grid-template-columns:repeat(3,1fr);gap:16px;margin:8px 0 24px;display:grid}.contact-card{text-align:center;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;align-items:center;gap:8px;padding:22px;display:flex}.contact-card .contact-icon{font-size:var(--fs-28)}.contact-card h3{font-size:var(--fs-16);margin:0}.contact-card .muted{font-size:var(--fs-14);min-height:38px}.contact-card .btn{margin-top:auto}@media (max-width:720px){.contact-grid{grid-template-columns:1fr}}.cookie-banner{z-index:200;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);max-width:760px;box-shadow:var(--shadow-2);flex-wrap:wrap;align-items:center;gap:18px;margin:0 auto;padding:16px 18px;animation:.35s cookieUp;display:flex;position:fixed;bottom:16px;left:16px;right:16px}@keyframes cookieUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.cookie-banner .cookie-text{font-size:var(--fs-14);color:var(--text-2);flex:1;min-width:240px;margin:0;line-height:1.55}.cookie-banner .cookie-text a{color:var(--primary);font-weight:600;text-decoration:underline}.cookie-banner .cookie-actions{flex-shrink:0;gap:10px;display:flex}.cookie-banner .cookie-btn{font-size:var(--fs-14);padding:9px 20px}@media (max-width:520px){.cookie-banner{flex-direction:column;align-items:stretch}.cookie-banner .cookie-actions{justify-content:flex-end}}body.has-cookie-banner{padding-bottom:var(--cookie-banner-h,100px)}@media (max-width:520px){body.has-cookie-banner{padding-bottom:var(--cookie-banner-h,168px)}}@media (max-width:600px){.contact-row{grid-template-columns:1fr!important}}.blog-editor-grid{grid-template-columns:1fr 340px;align-items:start;gap:24px;display:grid}@media (max-width:900px){.blog-editor-grid{grid-template-columns:1fr}}.rte{border:1px solid var(--border);border-radius:var(--r-md);background:#fff;overflow:hidden}.rte-toolbar{border-bottom:1px solid var(--border);z-index:5;background:#f8fafc;flex-wrap:wrap;align-items:center;gap:2px;padding:8px;display:flex;position:sticky;top:0}.rte-btn{border-radius:var(--r-sm);cursor:pointer;min-width:32px;height:32px;font-weight:700;font-size:var(--fs-14);color:var(--text-1);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:0 8px;font-family:inherit;transition:all .12s;display:inline-flex}.rte-btn:hover{background:var(--primary-light);color:var(--primary-dark)}.rte-btn.active{background:var(--primary);color:#fff}.rte-sep{background:var(--border);width:1px;height:22px;margin:0 4px}.rte-area{outline:none;min-height:420px;max-height:70vh;padding:22px 26px;line-height:1.75;overflow-y:auto}.rte-area:empty:before{content:attr(data-placeholder);color:var(--text-2)}.rte-source{width:100%;min-height:420px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--fs-14);resize:vertical;color:#0f172a;border:none;outline:none;padding:18px 20px;line-height:1.6}.post-body{font-size:var(--fs-16);color:#1f2937;word-wrap:break-word;line-height:1.8}.post-body>:first-child{margin-top:0}.post-body h2{font-size:var(--fs-28);color:#0f172a;letter-spacing:var(--ls-tight);margin:1.8em 0 .5em;font-weight:800;line-height:1.25}.post-body h3{font-size:var(--fs-20);color:#0f172a;margin:1.5em 0 .4em;font-weight:700;line-height:1.3}.post-body h4{font-size:var(--fs-16);color:#0f172a;margin:1.3em 0 .3em;font-weight:700}.post-body p{margin:0 0 1.15em}.post-body a{color:var(--primary);text-underline-offset:2px;font-weight:500;text-decoration:underline}.post-body a:hover{color:var(--primary-dark)}.post-body ul,.post-body ol{margin:0 0 1.15em;padding-left:1.5em;line-height:1.8}.post-body li,.post-body li>ul,.post-body li>ol{margin:.3em 0}.post-body blockquote{border-left:4px solid var(--primary);background:var(--primary-light);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#334155;margin:1.4em 0;padding:.6em 1.2em;font-style:italic}.post-body blockquote p:last-child{margin-bottom:0}.post-body pre{color:#e2e8f0;border-radius:var(--r-sm);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--fs-14);background:#0f172a;margin:1.4em 0;padding:16px 18px;line-height:1.6;overflow-x:auto}.post-body code{color:#be123c;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--fs-14);background:#f1f5f9;border-radius:5px;padding:.12em .4em}.post-body pre code{color:inherit;background:0 0;padding:0}.post-body img{border-radius:var(--r-md);border:1px solid var(--border);max-width:100%;height:auto;margin:1.4em 0}.post-body figure{margin:1.4em 0}.post-body figcaption{text-align:center;font-size:var(--fs-14);color:var(--text-2);margin-top:.5em}.post-body hr{border:none;border-top:1px solid var(--border);margin:2em 0}.post-body table{border-collapse:collapse;width:100%;font-size:var(--fs-16);margin:1.4em 0}.post-body th,.post-body td{border:1px solid var(--border);text-align:left;padding:9px 12px}.post-body th{background:var(--primary-light);color:var(--link);font-weight:700}.post-body strong,.post-body b{color:#0f172a;font-weight:700}.post-body div:empty{display:none}.post-body div:has(>br:only-child){display:none}.post-body br+br{display:none}.post-body h2,.post-body h3,.post-body h4{scroll-margin-top:90px}.post-body>p:first-of-type{font-size:var(--fs-20);color:#111827}.post-tags{flex-wrap:wrap;gap:8px;margin:20px 0;display:flex}.post-tags a,.post-tags span{background:var(--primary-light);color:var(--primary-dark);border-radius:var(--r-pill);font-size:var(--fs-14);padding:4px 12px;font-weight:600}.rte-area.rte-dragover{outline:2px dashed var(--primary);outline-offset:-6px;background:var(--primary-light)}.rte-btn:disabled{opacity:.5;cursor:not-allowed}@media (pointer:coarse){.rte-toolbar{gap:6px}.rte-btn{min-width:40px;height:40px}}.perf-card{border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);background:#fff;padding:16px 18px}.perf-card-head{font-size:var(--fs-14);color:#0f172a;margin-bottom:10px;font-weight:700}.perf-dot{vertical-align:baseline;border-radius:3px;width:9px;height:9px;margin-right:5px;display:inline-block}.perf-tip{background:var(--primary-light);color:var(--primary-dark);border-radius:var(--r-sm);font-size:var(--fs-14);margin-top:12px;padding:8px 11px;line-height:1.45}.pk-book-page{border-radius:var(--r-sm) var(--r-md) var(--r-md) var(--r-sm);background:linear-gradient(#fffdf8,#fffdf8),repeating-linear-gradient(#fffdf8,#fffdf8 31px,#f1ede2 32px);border:1px solid #e7e0cf;border-left:6px solid #d9cfb4;padding:38px 42px 34px;position:relative;box-shadow:0 1px 2px #0f172a0d,0 10px 30px #0f172a0f}.pk-book-page:before{content:"";border-radius:var(--r-sm) 0 0 var(--r-sm);pointer-events:none;background:linear-gradient(90deg,#78643c1a,#0000);width:14px;position:absolute;top:0;bottom:0;left:0}.pk-book-page .chapter-content{max-width:66ch}@media (max-width:640px){.pk-book-page{border-left-width:4px;padding:22px 18px 20px}}.chapter-content h2{font-size:var(--fs-28);color:#0f172a;margin:1.6em 0 .5em;line-height:1.35}.chapter-content h3{font-size:var(--fs-20);color:#0f172a;margin:1.4em 0 .45em;line-height:1.4}.chapter-content h4{font-size:var(--fs-16);color:#1e293b;margin:1.2em 0 .4em}.chapter-content p{text-align:justify;text-align-last:left;-webkit-hyphens:auto;hyphens:auto;margin:0 0 1em}@media (max-width:640px){.chapter-content p{text-align:left;-webkit-hyphens:manual;hyphens:manual}}.chp-next{background:var(--primary-light);border-radius:var(--r-md);border:1px solid #bae6fd;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;margin-top:32px;padding:22px 24px;display:flex}.chp-next-copy{flex:320px;min-width:0}.chp-next-kicker{font-size:var(--fs-12);letter-spacing:var(--ls-caps);text-transform:uppercase;color:var(--link);font-weight:700;display:block}.chp-next h2{font-size:var(--fs-20);color:#0f172a;margin:4px 0 6px}.chp-next p{font-size:var(--fs-14);color:#334155;margin:0;line-height:1.6}.chp-next-actions{flex-wrap:wrap;gap:10px;display:flex}@media (max-width:520px){.chp-next{padding:18px 16px}.chp-next-actions{width:100%}.chp-next-actions .btn{text-align:center;flex:auto}}.chapter-content ul,.chapter-content ol{margin:0 0 1.1em;padding-left:1.5em}.chapter-content li{margin-bottom:.45em}.chapter-content strong{color:#0f172a}.chapter-content hr{border:0;border-top:1px solid var(--border);margin:2em 0}.chapter-content blockquote{border-left:3px solid var(--primary);background:var(--primary-light);border-radius:0 var(--r-sm) var(--r-sm) 0;margin:1.2em 0;padding:.8em 1.1em}.chapter-content table{border-collapse:collapse;width:100%;font-size:var(--fs-16);margin:1.4em 0;display:block;overflow-x:auto}.chapter-content th,.chapter-content td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:9px 12px}.chapter-content th{background:var(--primary-light);color:var(--primary-dark);white-space:nowrap;font-weight:700}.chapter-content pre{color:#e2e8f0;border-radius:var(--r-sm);font-size:var(--fs-14);background:#0f172a;margin:1.2em 0;padding:14px 16px;line-height:1.6;overflow-x:auto}.chapter-content code{font-size:var(--fs-14);background:#f1f5f9;border-radius:5px;padding:2px 6px}.chapter-content pre code{background:0 0;padding:0}.chapter-content img{border-radius:var(--r-sm);border:1px solid var(--border);max-width:100%;height:auto;margin:1.3em auto;display:block}.chapter-content figcaption,.chapter-content em.img-caption{text-align:center;font-size:var(--fs-14);color:var(--muted,#64748b);margin-top:-.8em;margin-bottom:1.2em;display:block}.chapter-content .math-block{text-align:center;margin:1.2em 0;padding:4px 0;overflow:auto hidden}.chapter-content .katex{font-size:var(--fs-16)}@media (max-width:640px){.chapter-content{font-size:var(--fs-16)!important}.chapter-content table{font-size:var(--fs-14);-webkit-overflow-scrolling:touch}.chapter-content th,.chapter-content td{padding:7px 8px}.chapter-content table:before{content:"⟷ swipe to see all columns";font-size:var(--fs-12);color:var(--muted,#64748b);letter-spacing:.02em;margin-bottom:6px;font-weight:700;display:block}}.pk-chapter-nav{justify-content:space-between;align-items:center;gap:10px;margin-bottom:24px;display:flex}.pk-chapter-nav-badge{white-space:nowrap;flex-shrink:0}@media (max-width:640px){.pk-chapter-nav{flex-direction:column;align-items:flex-start;gap:6px;margin-bottom:18px}}.book-reader-toolbar{z-index:90}@media (max-width:640px){.book-reader-toolbar button{font-size:var(--fs-14)!important;padding:6px 9px!important}}@media (max-width:400px){.book-reader-toolbar button .pk-toolbar-label{display:none}}.chapter-pager{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface,#fff);outline:none;height:min(78vh,700px);position:relative;overflow:hidden}.chapter-content.paged{column-fill:auto;box-sizing:border-box;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;touch-action:pan-x;column-gap:56px;height:100%;padding:28px 28px 8px;overflow:auto hidden}.chapter-content.paged::-webkit-scrollbar{display:none}.chapter-content.paged img,.chapter-content.paged table,.chapter-content.paged pre,.chapter-content.paged .math-block,.chapter-content.paged blockquote{break-inside:avoid}@media (max-width:640px){.chapter-pager{border-radius:var(--r-sm);height:min(76vh,620px)}.chapter-content.paged{column-gap:36px;padding:20px 18px 6px}}.chapter-edge-shadow{pointer-events:none;z-index:5;width:18px;position:absolute;top:0;bottom:0}.chapter-edge-shadow.left{background:linear-gradient(90deg,#0f172a1a,#0000);left:0}.chapter-edge-shadow.right{background:linear-gradient(270deg,#0f172a1a,#0000);right:0}.chapter-reader-shell.theme-dark .chapter-edge-shadow.left{background:linear-gradient(90deg,#00000059,#0000)}.chapter-reader-shell.theme-dark .chapter-edge-shadow.right{background:linear-gradient(270deg,#00000059,#0000)}.chapter-swipe-hint{color:#fff;border-radius:var(--r-pill);font-size:var(--fs-14);letter-spacing:.01em;z-index:20;cursor:pointer;background:#0f172ad1;align-items:center;gap:10px;padding:9px 16px;font-weight:700;animation:.3s pk-swipe-hint-in,1.4s ease-in-out .3s infinite pk-swipe-hint-pulse;display:flex;position:absolute;bottom:22px;left:50%;transform:translate(-50%);box-shadow:0 8px 20px #00000040}@keyframes pk-swipe-hint-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}@keyframes pk-swipe-hint-pulse{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,-4px)}}@media (prefers-reduced-motion:reduce){.chapter-swipe-hint{animation:10ms linear pk-swipe-hint-in}}.chapter-reader-shell.theme-sepia:not(.chapter-pager),.chapter-reader-shell.theme-dark:not(.chapter-pager){border-radius:var(--r-md);padding:24px 24px 8px}.chapter-reader-shell.theme-sepia{background:#f4ecd8}.chapter-reader-shell.theme-sepia .chapter-content{color:#5b4636}.chapter-reader-shell.theme-sepia .chapter-content h2,.chapter-reader-shell.theme-sepia .chapter-content h3,.chapter-reader-shell.theme-sepia .chapter-content h4,.chapter-reader-shell.theme-sepia .chapter-content strong{color:#3f2f1f}.chapter-reader-shell.theme-sepia .chapter-content blockquote{background:#ece0c6;border-left-color:#8a6d3b}.chapter-reader-shell.theme-sepia .chapter-content table th{color:#5b4636;background:#ece0c6}.chapter-reader-shell.theme-sepia .chapter-content th,.chapter-reader-shell.theme-sepia .chapter-content td{border-color:#ddcda3}.chapter-reader-shell.theme-sepia .chapter-content code{color:#5b4636;background:#ece0c6}.chapter-reader-shell.theme-dark{background:#1a1f2b}.chapter-reader-shell.theme-dark .chapter-content{color:#dbe2ea}.chapter-reader-shell.theme-dark .chapter-content h2,.chapter-reader-shell.theme-dark .chapter-content h3,.chapter-reader-shell.theme-dark .chapter-content h4,.chapter-reader-shell.theme-dark .chapter-content strong{color:#f4f6f8}.chapter-reader-shell.theme-dark .chapter-content blockquote{border-left-color:var(--primary);background:#232a3a}.chapter-reader-shell.theme-dark .chapter-content table th{color:#93c5fd;background:#232a3a}.chapter-reader-shell.theme-dark .chapter-content th,.chapter-reader-shell.theme-dark .chapter-content td{border-color:#323b4e}.chapter-reader-shell.theme-dark .chapter-content code{color:#dbe2ea;background:#232a3a}.chapter-reader-shell.theme-dark .chapter-content hr{border-top-color:#323b4e}.chapter-reader-shell.theme-dark.chapter-pager{border-color:#323b4e}:root{--primary:#1a4fc7;--text-2:#556274}body.dark{--text-2:#9aa7b8}.btn,.btn-primary,.btn.btn-primary{background-color:var(--primary)!important;color:#fff!important;background-image:none!important}.btn:hover:not(:disabled),.btn-primary:hover:not(:disabled){background-color:var(--primary-dark)!important}.btn.btn-outline,.btn-outline{color:var(--primary-dark)!important;border-color:var(--primary)!important;background:#fff!important}.btn.btn-ghost,.btn-ghost{color:#475569!important;border-color:var(--border)!important;background:#fff!important}.btn.btn-light,.btn.btn-text{color:var(--primary-dark)!important;background:#fff!important}.btn-outline:hover,.btn.btn-outline:hover{background:var(--primary-light)!important;color:var(--primary-dark)!important}.btn-ghost:hover,.btn.btn-ghost:hover{color:#1e293b!important;background:#eef4f9!important}body.dark .btn.btn-outline,body.dark .btn-outline{color:#7dd3fc!important;background:0 0!important}body.dark .btn.btn-ghost,body.dark .btn-ghost{color:#cbd5e1!important;background:0 0!important}.badge-amber{color:#92400e!important}.badge-green{color:#166534!important}.pk-noselect,.pk-noselect *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.pk-noselect input,.pk-noselect textarea,.pk-noselect [contenteditable=true]{-webkit-user-select:text;user-select:text}.admin-shell .pk-noselect,.admin-shell .pk-noselect *{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}.pk-mathtext img,.qimg{border-radius:var(--r-sm);background:#fff;max-width:100%;height:auto;margin:8px 0;display:block}.opt>span:last-child{flex:1;min-width:0}.opt .pk-mathtext{min-width:0}.pk-mathtext img.qimg-inline{vertical-align:middle;margin:0 4px;display:inline-block}.pk-mathtext table{border-collapse:collapse;max-width:100%;margin:8px 0}.pk-mathtext th,.pk-mathtext td{border:1px solid var(--border);padding:4px 8px}.pk-nocopy{-webkit-user-select:text;user-select:text;-webkit-touch-callout:none}.login-page{flex-direction:column;gap:24px;max-width:1060px;margin:0 auto;padding:28px 20px 48px;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);width:100%;max-width:420px;box-shadow:var(--shadow-2);text-align:center;order:-1;margin:0 auto;padding:28px 24px}.login-kicker{background:var(--primary-light);color:var(--link);font-weight:700;font-size:var(--fs-12);letter-spacing:var(--ls-caps);text-transform:uppercase;border-radius:var(--r-pill);margin-bottom:10px;padding:4px 12px;display:inline-block}.login-pitch{width:100%;max-width:520px;margin:0 auto}.login-pitch-title{font-size:var(--fs-20);letter-spacing:var(--ls-tight);margin:10px 0 16px;line-height:1.3}.login-perks{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.login-perks li{grid-template-columns:auto 1fr;align-items:start;gap:12px;display:grid}.login-perks .lp-icon{border-radius:var(--r-sm);background:var(--primary-light);width:38px;height:38px;font-size:var(--fs-16);flex-shrink:0;place-items:center;display:grid}.login-perks b{font-size:var(--fs-16);color:var(--text-1);display:block}.login-perks .lp-desc{font-size:var(--fs-14);color:var(--text-2);margin-top:2px;line-height:1.5;display:block}.login-escape{text-align:center;font-size:var(--fs-14);color:var(--text-2)}.login-escape a{color:var(--primary);font-weight:600}@media (min-width:900px){.login-page{flex-flow:wrap;align-items:center;gap:56px;padding:56px 20px}.login-pitch{flex:1;margin:0}.login-pitch-title{font-size:var(--fs-28)}.login-card{flex-shrink:0;order:0;margin:0;padding:36px 32px}.login-escape{flex-basis:100%;margin-top:4px}}.blog-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:center;align-items:start;gap:40px;max-width:1160px;padding-inline:20px;display:grid}.blog-main{min-width:0}.blog-aside-inner{scrollbar-width:thin;flex-direction:column;gap:16px;max-height:calc(100vh - 104px);display:flex;position:sticky;top:84px;overflow-y:auto}.aside-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.aside-heading{font-size:var(--fs-14);text-transform:uppercase;letter-spacing:var(--ls-caps);color:var(--text-2);margin:0 0 12px;font-weight:800}.aside-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.aside-list li{border-bottom:1px solid var(--border-2)}.aside-list li:last-child{border-bottom:0}.aside-list a{color:var(--ink);padding:9px 0;transition:color .15s;display:block}.aside-list a:hover{color:var(--primary)}.aside-cat{font-size:var(--fs-14);text-transform:uppercase;letter-spacing:var(--ls-caps);color:var(--primary);margin-bottom:3px;font-weight:700;display:block}.aside-title{font-size:var(--fs-14);font-weight:600;line-height:1.4;display:block}.aside-list a.aside-row{justify-content:space-between;align-items:center;gap:12px;padding:10px 0;display:flex}.aside-row .aside-title{font-size:.95rem;font-weight:600}.aside-count{background:var(--primary-soft,#e4eafa);min-width:28px;color:var(--primary);text-align:center;font-variant-numeric:tabular-nums;border-radius:999px;flex:none;padding:2px 9px;font-size:.78rem;font-weight:700}.aside-row:hover .aside-count{background:var(--primary);color:#fff}.aside-list-num{counter-reset:mr}.aside-list-num li{counter-increment:mr}.aside-list-num a{align-items:baseline;gap:10px;display:flex}.aside-list-num a:before{content:counter(mr);font-size:var(--fs-16);color:var(--primary);opacity:.45;font-variant-numeric:tabular-nums;min-width:16px;font-weight:800}.aside-cta{background:var(--primary-light);border:1px solid var(--primary-pale);text-align:center;z-index:1;position:sticky;top:0}.aside-cta p{font-size:var(--fs-14);color:var(--link);margin:0 0 12px}.related-block{border-top:1px solid var(--border);margin-top:48px;padding-top:32px}.related-heading{font-size:var(--fs-20);color:var(--ink);margin:0 0 18px}.related-grid{grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:16px;display:grid}.related-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;transition:box-shadow .18s,transform .18s,border-color .18s;display:flex;overflow:hidden}.related-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-2px)}.related-card-img{object-fit:cover;width:100%;height:120px;display:block}.related-card-body{flex-direction:column;gap:7px;padding:14px 15px;display:flex}.related-card h3{font-size:var(--fs-16);color:var(--ink);margin:0;line-height:1.35}.related-card p{font-size:var(--fs-14);color:var(--text-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;line-height:1.5;display:-webkit-box;overflow:hidden}.related-card .badge{align-self:flex-start}.sharebar{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md);flex-wrap:wrap;align-items:center;gap:8px;margin:28px 0;padding:14px 16px;display:flex}.sharebar-compact{background:0 0;border:0;gap:6px;margin:18px 0 0;padding:0}.sharebar-label{font-size:var(--fs-14);color:var(--text-2);margin-right:4px;font-weight:700}.sharebar-compact .sharebar-label{font-size:var(--fs-12)}.sharebar-btn{font-weight:800;font-size:var(--fs-16);border:1px solid #0000000d;border-radius:50%;justify-content:center;align-items:center;text-decoration:none;transition:transform .15s,box-shadow .15s;display:inline-flex}.sharebar-btn:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.sharebar-compact .sharebar-btn{font-size:var(--fs-14)}.sharebar-copy{border-radius:var(--r-pill);border:1px solid var(--border);cursor:pointer;font-size:var(--fs-14);font-weight:700;font-family:var(--font);align-items:center;gap:6px;padding:8px 14px;transition:border-color .15s;display:inline-flex}.sharebar-copy:hover{border-color:var(--primary)}.sharebar-compact .sharebar-copy{font-size:var(--fs-14);padding:6px 12px}@media (max-width:1040px){.blog-layout{grid-template-columns:minmax(0,760px);gap:32px}.blog-aside-inner{max-height:none;position:static;overflow:visible}.blog-aside{width:100%;max-width:760px;margin:0 auto}}@media (max-width:560px){.related-grid{grid-template-columns:1fr}.related-card{flex-direction:row;align-items:stretch}.related-card-img{flex:0 0 96px;width:96px;height:auto;min-height:88px}.related-card p{display:none}.sharebar{gap:6px;padding:12px}}.news-topics{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:8px;margin:0 0 26px;padding:0 0 18px;display:flex}.news-chip{border-radius:var(--r-pill);border:1px solid var(--border);background:var(--surface);font-size:var(--fs-14);color:var(--text-2);align-items:center;gap:6px;padding:6px 13px;font-weight:600;text-decoration:none;transition:border-color .15s,color .15s,background .15s;display:inline-flex}.news-chip:hover{border-color:var(--primary);color:var(--primary-dark)}.news-chip-on{border-color:var(--primary);background:var(--primary-light);color:var(--link);font-weight:700}.news-chip-n{font-size:var(--fs-12);opacity:.6;font-variant-numeric:tabular-nums;font-weight:800}.news-days{flex-direction:column;gap:34px;display:flex}.news-day{padding:0;scroll-margin-top:90px}.news-day-head{border-bottom:2px solid var(--primary);font-size:var(--fs-16);letter-spacing:var(--ls-tight);flex-wrap:wrap;align-items:baseline;gap:12px;margin:0 0 4px;padding-bottom:8px;font-weight:800;display:flex}.news-day-head a{color:var(--ink);text-decoration:none}.news-day-head a:hover{color:var(--primary)}.news-day-count{font-size:var(--fs-12);text-transform:uppercase;letter-spacing:var(--ls-caps);color:var(--text-3);margin-left:auto;font-weight:700}.news-list{margin:0;padding:0;list-style:none}.news-row{border-bottom:1px solid var(--border-2);padding:15px 0}.news-row:last-child{border-bottom:0}.news-list-tight .news-row{padding:12px 0}.news-row-cat{font-size:var(--fs-14);text-transform:uppercase;letter-spacing:var(--ls-caps);color:var(--primary);margin-bottom:5px;font-weight:800;text-decoration:none;display:inline-block}a.news-row-cat:hover{color:var(--primary-dark);text-decoration:underline}.news-row-title{font-size:var(--fs-16);letter-spacing:var(--ls-tight);margin:0;font-weight:700;line-height:1.4}.news-row-title a{color:var(--ink);text-decoration:none}.news-row-title a:hover{color:var(--primary);text-underline-offset:2px;text-decoration:underline}.news-row-sum{font-size:var(--fs-14);color:var(--text-2);margin:5px 0 0;line-height:1.6}.news-row-meta{font-size:var(--fs-14);color:var(--text-3);flex-wrap:wrap;gap:6px;margin-top:7px;display:flex}.news-standfirst{border-left:4px solid var(--primary);background:var(--primary-light);border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:var(--fs-16);color:var(--link);margin:0;padding:12px 16px;font-weight:500;line-height:1.65}.news-hindi{border-top:1px dashed var(--border);margin-top:34px;padding-top:22px}.news-hindi h2{font-size:var(--fs-20);color:var(--ink);margin:0 0 14px}.news-source{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);font-size:var(--fs-14);color:var(--text-2);margin:26px 0 0;padding:11px 14px}.news-source a{color:var(--primary);text-underline-offset:2px;text-decoration:underline}.news-pager{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;margin-top:32px;padding-top:20px;display:flex}.news-cta{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md);margin-top:40px;padding:24px}.news-archive-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.news-archive-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);flex-direction:column;gap:2px;padding:12px 14px;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex}.news-archive-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-1px)}.news-archive-label{font-size:var(--fs-14);color:var(--ink);font-weight:700}.news-archive-count{font-size:var(--fs-12);color:var(--primary);font-variant-numeric:tabular-nums;font-weight:600}@media (max-width:560px){.news-topics{gap:6px;margin-bottom:20px;padding-bottom:14px}.news-chip{font-size:var(--fs-12);padding:5px 11px}.news-days{gap:26px}.news-day-head{font-size:var(--fs-16)}.news-day-count{width:100%;margin-left:0}.news-row-title{font-size:var(--fs-16)}.news-row-sum{font-size:var(--fs-14)}.news-standfirst{font-size:var(--fs-16);padding:10px 13px}.news-pager{text-align:center;flex-wrap:wrap;justify-content:center}.news-cta{padding:18px}.news-archive-grid{grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:8px}.news-archive-card{padding:10px 12px}}.prose{max-width:68ch;color:var(--text-2);line-height:1.75;font-size:var(--fs-16)}.prose>*+*{margin-top:1.05em}.prose h3{color:var(--text-1);font-size:var(--fs-16);margin-top:1.6em}.prose h3+p{margin-top:.5em}.prose a{color:var(--primary-dark);text-underline-offset:2px;text-decoration:underline}.prose a:hover{color:var(--primary)}.prose strong{color:var(--text-1);font-weight:700}.prose-split{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:48px;display:grid}@media (max-width:900px){.prose-split{grid-template-columns:1fr;gap:28px}}.grid-start{align-items:start}.home-book-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:start;gap:22px;display:grid}.home-book-grid--wide{grid-template-columns:repeat(auto-fit,minmax(430px,1fr))}.chip-row{flex-wrap:wrap;gap:7px;display:flex}.chip{border-radius:var(--r-pill);border:1px solid var(--border);font-size:var(--fs-14);color:var(--text-1);background:#fff;padding:7px 13px;font-weight:600;text-decoration:none;transition:all .12s}.chip:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}.section+.section{padding-top:8px}.section-lede{color:var(--text-2);max-width:70ch;margin-top:8px;margin-bottom:24px}.hero-search{max-width:640px;margin:22px auto 0;position:relative}.hero-search-bar{border:1px solid var(--border);border-radius:var(--r-pill);box-shadow:var(--shadow-1);background:#fff;align-items:center;gap:12px;padding:14px 22px;transition:box-shadow .15s,border-color .15s;display:flex}.hero-search-bar:focus-within{border-color:var(--primary);box-shadow:var(--shadow-2), 0 0 0 3px #0284c71f}.hero-search-icon{color:var(--text-3);flex-shrink:0}.hero-search-bar input{font-size:var(--fs-16);color:var(--text-1);background:0 0;border:none;outline:none;flex:1;font-family:inherit}.hero-search-bar input::placeholder{color:var(--text-3)}.hero-search-actions{justify-content:center;margin-top:14px;display:flex}.hero-search-btn{align-items:center;gap:8px;padding:10px 24px;display:inline-flex}.hero-search-panel{z-index:400;border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-3);text-align:left;background:#fff;max-height:min(60vh,460px);padding:14px;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow-y:auto}@media (max-width:640px){.hero-search{margin-top:18px}.hero-search-bar{border-radius:var(--r-md);padding:12px 16px}.hero-search-bar input{font-size:var(--fs-16)}}.hero-eyebrow{border-radius:var(--r-pill);background:var(--primary-light);color:var(--link);font-size:var(--fs-12);letter-spacing:var(--ls-caps);text-transform:uppercase;border:1px solid #0284c740;margin:0 0 14px;padding:6px 14px;font-weight:700;display:inline-block}.home-subhead{font-size:var(--fs-14);letter-spacing:var(--ls-caps);text-transform:uppercase;color:var(--text-2);align-items:center;gap:12px;margin:26px 0 14px;font-weight:800;display:flex}.home-subhead:after{content:"";background:var(--border);flex:1;height:1px}.cta-band{background:linear-gradient(135deg,var(--primary-deep,#0b2545) 0%,#123a6b 100%);border-radius:var(--radius);box-shadow:var(--shadow-md);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:32px;padding:36px 40px;display:flex}.cta-band-ticks{flex-wrap:wrap;gap:8px 22px;margin:18px 0 0;padding:0;list-style:none;display:flex}.cta-band-ticks li{color:#e4ebf5;font-size:var(--fs-14);font-weight:600}.cta-band-ticks li:before{content:"✓";color:#5eead4;margin-right:8px;font-weight:800}.cta-band-actions{flex-direction:column;flex-shrink:0;gap:10px;min-width:220px;display:flex}.cta-band-btn{box-shadow:var(--shadow-1);color:var(--link)!important;background:#fff!important}.cta-band-btn:hover{box-shadow:var(--shadow-2);color:var(--primary-dark)!important;background:#edf4fb!important}.cta-band-btn-ghost{box-shadow:none;border:1.5px solid #ffffff73;color:#fff!important;background:0 0!important}.cta-band-btn-ghost:hover{box-shadow:none;border-color:#fff;background:#ffffff1f!important}@media (max-width:720px){.cta-band{padding:26px 22px}.cta-band-actions{width:100%;min-width:0}.home-subhead{margin-top:20px}}.tj{text-align:left;-webkit-hyphens:manual;hyphens:manual}.prose p{text-align:left}.section-kicker{font-size:var(--fs-12);letter-spacing:var(--ls-caps);text-transform:uppercase;color:var(--link);align-items:center;gap:8px;margin:0 0 10px;font-weight:800;display:flex}.section-kicker:before{content:"";background:var(--primary);border-radius:2px;width:20px;height:3px}.band-surface{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.hero{background:radial-gradient(640px 320px at 15% -10%, #0284c71f, transparent 62%), radial-gradient(760px 360px at 88% 0%, #0a1c331a, transparent 60%), linear-gradient(180deg,#edf1fa 0%,var(--bg) 100%)!important}.stats-band{background:linear-gradient(135deg,var(--primary-deep) 0%,#12315b 100%);border-top:3px solid var(--primary);color:#f2f5f9}.step-grid{counter-reset:step;grid-template-columns:repeat(3,1fr);gap:22px;display:grid}@media (max-width:900px){.step-grid{grid-template-columns:1fr}}.step-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;position:relative}.step-num{background:var(--primary);color:#fff;width:36px;height:36px;box-shadow:var(--shadow-1);border-radius:50%;justify-content:center;align-items:center;margin-bottom:12px;font-weight:800;display:inline-flex}@media (min-width:901px){.step-card:not(:last-child):after{content:"";background:var(--border);width:22px;height:2px;position:absolute;top:41px;left:100%}}.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:var(--shadow);padding:16px 18px}.pricing-strip{border-top:4px solid var(--primary)!important;padding:40px 24px!important}.guide-card{border-top:3px solid var(--primary-light)}.guide-card:hover{border-top-color:var(--primary)}.home-page{--home-radius:18px;--home-shadow:0 12px 34px #0f172a14,0 2px 8px #0f172a0a;overflow:clip}.home-page .hero{isolation:isolate;border-bottom:0;padding:72px 0 54px;position:relative}.home-page .hero:before,.home-page .hero:after{content:"";z-index:-1;pointer-events:none;filter:blur(1px);border-radius:50%;position:absolute}.home-page .hero:before{background:#1a4fc714;width:420px;height:420px;top:-170px;left:-220px}.home-page .hero:after{background:#0284c712;width:320px;height:320px;bottom:-180px;right:-120px}.home-page .hero .container{max-width:1040px}.home-page .hero .h-xl{max-width:850px;font-size:var(--fs-40);letter-spacing:var(--ls-tight);text-wrap:balance;margin-inline:auto;line-height:1.08}.home-page .hero .lede{max-width:720px;font-size:var(--fs-20);color:var(--ink-2);text-wrap:balance;line-height:1.65}.home-page .hero-eyebrow{box-shadow:var(--shadow-1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffb8;border:1px solid #1a4fc72e;margin-bottom:20px;padding:7px 15px}.home-page .hero-cta{margin-top:28px}.home-page .hero-cta .btn{border-radius:var(--r-md);min-height:54px;box-shadow:var(--shadow-2);padding-inline:28px}.home-page .hero-cta .btn-primary{box-shadow:var(--shadow-2)}.home-page .hero-examstrip{max-width:850px;margin:26px auto 0;padding-top:20px}.home-page .hero-examstrip a{box-shadow:var(--shadow-1);padding:7px 13px}.home-page .stats-band{border-bottom:0;position:relative}.home-page .stats-band>.container{max-width:1120px}.home-page .stats-band>.container>div{text-align:center;padding:5px 10px;position:relative}.home-page .stats-band>.container>div:not(:last-child):after{content:"";background:#ffffff26;width:1px;height:84%;position:absolute;top:8%;right:-14px}.home-page .section{padding-top:68px;padding-bottom:68px}.home-page .section>.h-lg,.home-page .section-head .h-lg{text-wrap:balance;margin-top:0}.home-page .section-lede{max-width:720px;margin-top:10px;margin-bottom:28px}.home-page .home-subhead{color:var(--ink);font-size:var(--fs-14);margin-top:32px}.home-page .card{border-radius:var(--r-md);box-shadow:var(--shadow-1);border-color:#94a3b847}.home-page a.card:hover,.home-page .card.hoverable:hover{box-shadow:var(--home-shadow);border-color:#1a4fc74d;transform:translateY(-3px)}.home-page .exam-card{background:linear-gradient(145deg,#fff 70%,#e7edfb8c)}.home-page .band-surface{border-color:var(--border-2);background:linear-gradient(#fff 0%,#f8fafc 100%)}.home-page .home-book-grid{gap:24px}.home-page .home-book-grid>.card{padding:24px!important}.home-page .guide-card{box-shadow:inset 0 3px 0 var(--primary-light),0 2px 8px #0f172a09;border-top:0}.home-page .guide-card:hover{box-shadow:inset 0 3px 0 var(--primary),var(--home-shadow)}.home-page .cta-band{border-radius:var(--home-radius);box-shadow:var(--shadow-2);padding:42px 46px;position:relative;overflow:hidden}.home-page .cta-band:after{content:"";pointer-events:none;background:#ffffff12;border-radius:50%;width:260px;height:260px;position:absolute;top:-150px;right:-70px}.home-page .step-grid{gap:24px;margin-top:30px}.home-page .step-card{border-radius:var(--r-md);box-shadow:var(--shadow-1);padding:28px}.home-page .step-num{width:40px;height:40px;margin-bottom:16px}.home-page .pricing-strip{box-shadow:var(--home-shadow);border-radius:var(--home-radius)!important}.home-page .prose-split{gap:42px}.home-page .faq-item{border-radius:var(--r-md);box-shadow:var(--shadow-1);padding:20px 22px}@media (max-width:900px){.home-page .stats-band>.container{grid-template-columns:repeat(2,1fr)!important}.home-page .stats-band>.container>div:after{display:none}.home-page .stats-band>.container>div:last-child{grid-column:1/-1}.home-page .prose-split{gap:28px}}@media (max-width:720px){.home-page .hero{padding:48px 0 38px}.home-page .hero .container{padding-inline:18px}.home-page .hero .h-xl{font-size:var(--fs-40);letter-spacing:var(--ls-tight)}.home-page .hero .lede{font-size:var(--fs-16);line-height:1.58}.home-page .hero-eyebrow{font-size:var(--fs-12);letter-spacing:var(--ls-caps);padding:6px 11px}.home-page .hero-cta{grid-template-columns:1fr;gap:10px;margin-top:24px;display:grid}.home-page .hero-cta .btn{width:100%;min-height:50px}.home-page .hero-examstrip{gap:7px;margin-top:22px;padding-top:18px}.home-page .hero-examstrip a{font-size:var(--fs-14);padding:6px 10px}.home-page .stats-band>.container{gap:18px 8px!important;padding:22px 14px!important}.home-page .section{padding-top:50px;padding-bottom:50px}.home-page .section-head{align-items:flex-start}.home-page .section-head>.btn{width:100%}.home-page .card-grid{grid-template-columns:1fr}.home-page .exam-card{padding:16px 16px 14px!important}.home-page .home-book-grid,.home-page .home-book-grid--wide{grid-template-columns:1fr;gap:16px}.home-page .home-book-grid>.card{padding:20px!important}.home-page .cta-band{border-radius:var(--r-md);padding:28px 22px}.home-page .cta-band-actions{z-index:1;position:relative}.home-page .step-card{padding:22px}.home-page .pricing-strip{border-radius:var(--r-md)!important;margin-top:20px!important}.home-page .faq-item{padding:17px 18px}}@media (max-width:390px){.home-page .stats-band>.container{grid-template-columns:1fr 1fr!important}.home-page .stats-band>.container>div{padding-inline:2px}}.pretest{background:#eef2f7;flex-direction:column;min-height:100vh;display:flex}.pretest-bar{color:#fff;background:#0f172a;padding:12px 0;box-shadow:0 1px 3px #0f172a33}.pretest-bar-in{align-items:center;gap:12px;max-width:1240px;margin:0 auto;padding:0 22px;display:flex}.pretest-bar-title{font-size:var(--fs-16);text-overflow:ellipsis;white-space:nowrap;font-weight:800;line-height:1.25;overflow:hidden}.pretest-bar-sub{font-size:var(--fs-12);color:#94a3b8;margin-top:1px}.pretest-body{flex:1;grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px;width:100%;max-width:1240px;margin:0 auto;padding:22px;display:grid}.pretest-main{flex-direction:column;gap:16px;min-width:0;display:flex}.pretest-side{position:sticky;top:22px}.pretest-card{border-radius:var(--r-md);background:#fff;border:1px solid #e2e8f0;padding:20px 22px;box-shadow:0 1px 2px #0f172a0a}.pretest-h{font-size:var(--fs-14);letter-spacing:.07em;text-transform:uppercase;color:#64748b;margin:0 0 12px;font-weight:800}.pretest-p{font-size:var(--fs-14);color:#475569;margin:0 0 14px}.pretest-list{color:#334155;font-size:var(--fs-14);flex-direction:column;gap:9px;margin:0;padding-left:20px;line-height:1.62;display:flex}.pretest-list li::marker{color:#94a3b8;font-weight:700}.pretest-list strong{color:#0f172a}.pretest-legend{gap:10px;margin:0;padding:0;list-style:none;display:grid}.pretest-legend li{align-items:flex-start;gap:11px;display:flex}.pretest-legend strong{font-size:var(--fs-14);color:#0f172a;display:block}.pretest-legend em{font-style:normal;font-size:var(--fs-14);color:#64748b}.pal{border-radius:5px;flex-shrink:0;width:26px;height:26px;margin-top:1px}.pal-nv{background:#fff;border:1.5px solid #cbd5e1}.pal-na{background:#dc2626}.pal-a{background:#16a34a}.pal-m{background:#7c3aed}.pal-am{background:#7c3aed;box-shadow:inset -7px -7px 0 -3px #16a34a}.pretest-marks{gap:12px;display:grid}.pretest-marks>div{align-items:center;gap:12px;display:flex}.pretest-marks strong{font-size:var(--fs-14);color:#0f172a;display:block}.pretest-marks em{font-style:normal;font-size:var(--fs-12);color:#64748b}.mk{text-align:center;border-radius:var(--r-sm);min-width:52px;font-weight:800;font-size:var(--fs-14);font-variant-numeric:tabular-nums;padding:6px 10px}.mk-good{color:#166534;background:#dcfce7}.mk-bad{color:#991b1b;background:#fee2e2}.mk-flat{color:#475569;background:#f1f5f9}.pretest-note{border-radius:var(--r-sm);font-size:var(--fs-14);color:#475569;background:#f8fafc;border-left:3px solid #cbd5e1;margin:14px 0 0;padding:11px 13px;line-height:1.55}.pretest-summary{flex-direction:column;gap:16px;display:flex}.pretest-stats{grid-template-columns:1fr 1fr;gap:12px 10px;margin:0;display:grid}.pretest-stats>div{flex-direction:column;display:flex}.pretest-stats dt{font-size:var(--fs-12);letter-spacing:.05em;text-transform:uppercase;color:#94a3b8;order:2;font-weight:700}.pretest-stats dd{font-size:var(--fs-16);color:#0f172a;font-variant-numeric:tabular-nums;order:1;margin:0;font-weight:800;line-height:1.2}.pretest-lang{border-top:1px solid #e2e8f0;padding-top:14px}.pretest-lang label{font-size:var(--fs-12);color:#475569;margin-bottom:6px;font-weight:700;display:block}.pretest-lang select{border-radius:var(--r-sm);width:100%;font-size:var(--fs-14);color:#0f172a;background:#fff;border:1px solid #cbd5e1;padding:9px 11px;font-family:inherit}.pretest-lang p{font-size:var(--fs-12);color:#64748b;margin:6px 0 0}.pretest-declare{cursor:pointer;font-size:var(--fs-14);color:#334155;border-top:1px solid #e2e8f0;align-items:flex-start;gap:10px;padding-top:14px;line-height:1.55;display:flex}.pretest-declare input{cursor:pointer;flex-shrink:0;width:17px;height:17px;margin-top:3px}.pretest-go{border-radius:var(--r-sm);width:100%;font-size:var(--fs-16);color:#fff;cursor:pointer;background:#0284c7;border:none;padding:14px 20px;font-family:inherit;font-weight:800;transition:background .15s}.pretest-go:hover:not(:disabled){background:#0369a1}.pretest-go:disabled{color:#64748b;cursor:not-allowed;background:#cbd5e1}.pretest-go:focus-visible{outline-offset:2px;outline:3px solid #7dd3fc}.pretest-timer-note{font-size:var(--fs-12);color:#64748b;text-align:center;margin:0}@media (max-width:900px){.pretest-body{grid-template-columns:1fr;gap:14px;padding:14px}.pretest-side{order:-1;position:static}.pretest-card{padding:16px 17px}}.pk-mathtext table{border-collapse:collapse;max-width:100%;font-size:var(--fs-16);margin:8px 0}.pk-mathtext th,.pk-mathtext td{text-align:left;vertical-align:top;border:1px solid #c9d2da;padding:4px 10px}.pk-mathtext th{background:#f4f7fa;font-weight:700}.pk-mathtext sub,.pk-mathtext sup{line-height:0}.pk-chart-wrap{max-width:460px;margin:8px 0;display:block}.pk-chart{width:100%;height:auto;display:block}.pk-mathtext .pk-md-img{vertical-align:middle;max-width:100%;height:auto;max-height:420px;display:inline-block}@media (max-width:480px){.result-hero-tiles{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:6px!important}.result-hero-tiles>div{padding:8px!important}}@media (max-width:520px){.dash-mobile-title{display:none!important}}.site-ticker-wrap{padding:10px 12px 0}.site-ticker{background:var(--stk-bg);max-width:1200px;color:var(--stk-fg);border-radius:var(--r-sm);min-height:38px;box-shadow:var(--shadow-1);align-items:center;gap:10px;margin:0 auto;padding:0 38px 0 6px;display:flex;position:relative;overflow:hidden}.stk-badge{background:var(--stk-accent);color:var(--stk-badge-fg);font-size:var(--fs-12);letter-spacing:var(--ls-caps);border-radius:var(--r-sm);text-transform:uppercase;flex:none;padding:4px 9px;font-weight:800}.stk-viewport{flex:auto;min-width:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 24px calc(100% - 24px),#0000);mask-image:linear-gradient(90deg,#0000,#000 24px calc(100% - 24px),#0000)}.stk-track{width:max-content;animation:stk-scroll var(--stk-dur,30s) linear infinite;will-change:transform;display:flex}.site-ticker:hover .stk-track,.site-ticker:focus-within .stk-track{animation-play-state:paused}.stk-set{flex:none;align-items:center;min-width:100vw;display:flex}.stk-item{white-space:nowrap;font-size:var(--fs-14);color:var(--stk-fg);margin-right:26px;padding:9px 26px 9px 0;font-weight:500;display:inline-block;position:relative}.stk-item:after{content:"";background:var(--stk-accent);opacity:.85;border-radius:50%;width:5px;height:5px;margin-top:-2.5px;position:absolute;top:50%;right:0}.stk-link{font-weight:600;text-decoration:none}.stk-link:hover{text-underline-offset:3px;text-decoration:underline}.stk-x{border-radius:var(--r-sm);width:26px;height:26px;color:var(--stk-fg);font-size:var(--fs-16);cursor:pointer;background:#ffffff1a;border:0;place-items:center;line-height:1;display:grid;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.stk-x:hover{background:#ffffff38}@keyframes stk-scroll{0%{transform:translate(0)}to{transform:translate(-50%)}}@media (max-width:640px){.site-ticker-wrap{padding:8px 8px 0}.stk-item{font-size:var(--fs-14)}}@media (prefers-reduced-motion:reduce){.stk-track{animation:none}.stk-viewport{overflow-x:auto;-webkit-mask-image:none;mask-image:none}.stk-set[aria-hidden=true]{display:none}.stk-set{min-width:0}}@media (max-width:440px){.nav-inner{gap:8px;padding-left:12px;padding-right:12px}.nav-inner:has(.hdr-sale) .logo-word{display:none}.nav-inner .nav-toggle{margin-right:4px}.nav-inner .logo{gap:7px;min-width:0}.nav-inner .logo-word{font-size:var(--fs-18,1.125rem)}#navUser.nav-user-cluster{gap:6px}}@media (max-width:400px){.hdr-reg-long{display:none}.nav-inner .logo-word{font-size:17px}#navUser .btn-sm{padding:7px 10px}}.logo-word{white-space:nowrap}@media (max-width:520px){.nav-inner:has(.hdr-lang+.hdr-lang) .logo-word{display:none}.hdr-lang{padding:5px 8px}}.hdr-lang{border:1px solid var(--border);border-radius:var(--r-sm);font-size:var(--fs-14);color:var(--text-1,#0f172a);white-space:nowrap;font-weight:700;font-family:var(--font-devanagari,inherit);flex-shrink:0;align-items:center;padding:6px 10px;text-decoration:none;display:inline-flex}.hdr-lang:hover{border-color:var(--primary);color:var(--primary)}.hdr-lang-te{font-family:var(--font-telugu)}.hdr-lang-en{font-family:inherit}.hdr-lang+.hdr-lang{margin-left:-2px}@media (max-width:640px){.site-ticker-wrap,.hdr-sale{display:none}.nav-inner:has(.hdr-sale) .logo-word{display:inline}.cookie-banner{max-width:none;padding:8px 12px calc(8px + env(safe-area-inset-bottom));box-shadow:var(--shadow-1);border-width:1px 0 0;border-radius:0;flex-flow:row;align-items:center;gap:10px;bottom:0;left:0;right:0}.cookie-banner .cookie-text{min-width:0;font-size:var(--fs-14);line-height:1.35}.cookie-banner .cookie-actions{gap:6px}.cookie-banner .cookie-btn{font-size:var(--fs-14);padding:6px 10px}}@media (max-width:360px){.hdr-lang{font-size:var(--fs-14);padding:5px 7px}}@media (max-width:640px){#navUser .hdr-login,.hdr-lang-long{display:none}}.t-challenge{border-radius:var(--r-md);color:#7c2d12;font-size:var(--fs-16);background:#fff7ed;border:1px solid #fed7aa;margin:0 0 18px;padding:14px 16px;line-height:1.55}.t-challenge strong{color:#9a3412}@media (max-width:900px){.hdr-sale,.dash-hdr-sale{display:none!important}.nav-inner:has(.hdr-sale) .logo-word{display:inline}}.chapter-content.paged>h1:not(:first-child),.chapter-content.paged>h2:not(:first-child){break-before:column;-webkit-column-break-before:always;margin-top:0}.chapter-content.paged>hr{break-after:column;-webkit-column-break-after:always;visibility:hidden;border:0;height:0;margin:0}.chapter-content.paged>hr+h1,.chapter-content.paged>hr+h2{break-before:auto;-webkit-column-break-before:auto}.chapter-content.paged h1,.chapter-content.paged h2,.chapter-content.paged h3,.chapter-content.paged h4{break-after:avoid;-webkit-column-break-after:avoid}.chapter-content:not(.paged)>h2:not(:first-child){border-top:1px solid var(--border);margin-top:2.6em;padding-top:1.6em}.rrs-backdrop{z-index:1150;background:#0f172a73;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.rrs-sheet{border-radius:var(--r-lg) var(--r-lg) 0 0;width:100%;max-width:460px;max-height:92vh;padding:22px 20px calc(18px + env(safe-area-inset-bottom));background:#fff;animation:.22s rrsUp;position:relative;overflow-y:auto;box-shadow:0 -10px 40px #0f172a40}@keyframes rrsUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:none}}@media (min-width:641px){.rrs-backdrop{align-items:center}.rrs-sheet{border-radius:var(--r-md)}}.rrs-x{font-size:var(--fs-28);color:#64748b;cursor:pointer;background:0 0;border:0;padding:4px 8px;line-height:1;position:absolute;top:10px;right:12px}.rrs-kicker{font-size:var(--fs-12);letter-spacing:var(--ls-caps);text-transform:uppercase;color:var(--primary);font-weight:800}.rrs-sheet h2{font-size:var(--fs-20);color:#0f172a;margin:4px 0 6px;padding-right:24px;line-height:1.3}.rrs-sub{font-size:var(--fs-14);color:#475569;margin:0 0 10px;line-height:1.55}.rrs-perks{font-size:var(--fs-14);color:#334155;gap:4px;margin:0 0 14px;padding:0;list-style:none;display:grid}.rrs-perks li:before{content:"✓";color:var(--primary);margin-right:8px;font-weight:800}@media (prefers-reduced-motion:reduce){.rrs-sheet{animation:none}}.chq{border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);background:#fff;margin-top:36px;padding:24px 24px 20px}.chq-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.chq-head h2{font-size:var(--fs-20);color:#0f172a;margin:0}.chq-count{font-size:var(--fs-14);color:var(--text-2);font-weight:700}.chq-score{font-size:var(--fs-14);border-radius:var(--r-pill);color:#15803d;background:#dcfce7;padding:4px 10px;font-weight:800}.chq-sub{font-size:var(--fs-14);color:#475569;margin:6px 0 16px;line-height:1.6}.chq-lock{color:#92400e;margin-top:4px;font-weight:700;display:inline-block}.chq-list{gap:18px;margin:0;padding:0;list-style:none;display:grid}.chq-q{border-top:1px solid var(--border);padding-top:16px}.chq-q:first-child{border-top:0;padding-top:0}.chq-text{color:#0f172a;gap:6px;margin-bottom:10px;font-weight:600;line-height:1.6;display:flex}.chq-num{flex-shrink:0}.chq-opts{grid-template-columns:1fr 1fr;gap:8px;display:grid}.chq-opt{text-align:left;font:inherit;font-size:var(--fs-14);color:#1e293b;border:1.5px solid var(--border);border-radius:var(--r-sm);cursor:pointer;background:#fff;align-items:flex-start;gap:10px;padding:9px 11px;transition:border-color .12s,background .12s;display:flex}.chq-opt:hover:not(:disabled){border-color:var(--primary);background:var(--primary-light)}.chq-opt:disabled{cursor:default}.chq-letter{border-radius:var(--r-sm);width:24px;height:24px;font-weight:800;font-size:var(--fs-12);color:#475569;background:#f1f5f9;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.chq-opt.is-chosen{border-color:var(--primary);background:var(--primary-light)}.chq-opt.is-chosen .chq-letter{background:var(--primary);color:#fff}.chq-opt.is-right{color:#14532d;background:#f0fdf4;border-color:#16a34a}.chq-opt.is-right .chq-letter{color:#fff;background:#16a34a}.chq-opt.is-wrong{color:#7f1d1d;background:#fef2f2;border-color:#dc2626}.chq-opt.is-wrong .chq-letter{color:#fff;background:#dc2626}.chq-opt.is-dim{opacity:.55}.chq-sol{border:1px solid var(--border);border-radius:var(--r-sm);font-size:var(--fs-14);color:#475569;background:#f8fafc;margin-top:10px;padding:11px 13px;line-height:1.7}.chq-sol strong{color:#0f172a;margin-bottom:3px;display:block}.chq-error{color:#b91c1c;font-size:var(--fs-14);margin:12px 0 0}.chq-foot{border-top:1px solid var(--border);font-size:var(--fs-14);flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;padding-top:14px;display:flex}.chq-done{flex-direction:column;align-items:stretch}.chq-done p{font-size:var(--fs-14);color:#334155;margin:0;line-height:1.6}.chq-actions{flex-wrap:wrap;gap:10px;display:flex}@media (max-width:640px){.chq{padding:18px 14px 16px}.chq-opts{grid-template-columns:1fr}.chq-foot .btn-primary{width:100%}}.paper-access-notice{background:var(--primary-light);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);justify-content:space-between;align-items:center;gap:20px;margin-top:24px;padding:18px 20px;display:flex}.paper-access-notice strong{color:var(--primary-dark);font-size:var(--fs-16)}.paper-access-notice p{font-size:var(--fs-14);max-width:740px;margin-top:5px;line-height:1.6}.paper-access-notice a{color:var(--primary-dark);font-weight:700;font-size:var(--fs-14);white-space:nowrap;text-underline-offset:3px;text-decoration:underline}@media (max-width:600px){.paper-access-notice{flex-direction:column;align-items:flex-start;gap:10px;padding:16px}}.ap-qs{border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--r-md);background:var(--surface);margin:0 0 24px;padding:16px 18px}.ap-qs-title{font-size:var(--fs-18);margin:0 0 12px}.ap-qs-te{font-family:var(--font-telugu);color:var(--text-2);font-weight:600}.ap-qs-steps{grid-template-columns:1fr 1fr;gap:14px 20px;margin:0;padding:0;list-style:none;display:grid}.ap-qs-steps>li:first-child{grid-column:1/-1}.ap-qs-steps>li{align-items:flex-start;gap:10px;min-width:0;display:flex}.ap-qs-n{background:var(--primary);color:#fff;height:26px;font-weight:700;font-size:var(--fs-14);border-radius:50%;flex:0 0 26px;justify-content:center;align-items:center;display:inline-flex}.ap-qs-chips{flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0;list-style:none;display:flex}.ap-qs .ap-qs-chips a{border:1px solid var(--border);font-size:var(--fs-14);color:var(--text-1,#0f172a);border-radius:999px;padding:5px 10px;font-weight:600;text-decoration:none;display:inline-block}.ap-qs .ap-qs-chips a:hover{border-color:var(--primary);color:var(--primary)}.ap-qs-list{font-size:var(--fs-14);margin:8px 0 0;padding-left:18px;line-height:1.7}.ap-qs-list [lang=te],.ap-qs-list li[lang=te]{font-family:var(--font-telugu)}.ap-qs-more{font-size:var(--fs-14);margin:12px 0 0}@media (max-width:640px){.ap-qs-steps{grid-template-columns:1fr}}