*{box-sizing:border-box}:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color-scheme:light;color:#17202a;background:#f5f7f6;--bg: #f6f8f7;--surface: #ffffff;--surface-strong: #f9fbfa;--surface-soft: #f0f4f2;--text: #17202a;--muted: #607080;--faint: #8794a1;--border: #dbe4df;--accent: #0f766e;--accent-strong: #0b5f59;--accent-soft: #dff5ef;--blue: #24476f;--warning: #9a5c05;--danger: #a33b36;--shadow: 0 2px 8px rgba(21, 36, 52, .035)}:root[data-theme=dark]{color-scheme:dark;color:#edf4f2;background:#0f171c;--bg: #0b1519;--surface: #122228;--surface-strong: #1a2b34;--surface-soft: #193037;--text: #edf4f2;--muted: #a9b8bd;--faint: #82939b;--border: #304851;--accent: #50c9b5;--accent-strong: #7de0d1;--accent-soft: #163b38;--blue: #91b9e3;--warning: #f1bf63;--danger: #f08b84;--shadow: none}body{min-width:320px;min-height:100vh;margin:0;background:linear-gradient(180deg,color-mix(in srgb,var(--accent-soft) 38%,transparent),transparent 22rem),var(--bg)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}h1,h2,h3,p{margin-top:0}h1{max-width:820px;margin-bottom:1rem;color:var(--text);font-size:2rem;line-height:1;letter-spacing:0}h2{margin-bottom:.65rem;color:var(--text);font-size:1.35rem;line-height:1.2}h3{margin-bottom:.55rem;color:var(--text);font-size:1rem}p{color:var(--muted);line-height:1.62}.app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;display:flex;flex-direction:column;gap:1.4rem;height:100vh;padding:1.25rem;background:color-mix(in srgb,var(--surface) 92%,transparent);border-right:1px solid var(--border)}.brand{display:inline-flex;align-items:center;min-height:58px;text-decoration:none}.brand-logo{position:relative;display:inline-grid}.brand img{grid-area:1 / 1;display:block;width:11.25rem;max-height:3.25rem;object-fit:contain}.brand-logo-dark{opacity:0}:root[data-theme=dark] .brand-logo-light{opacity:0}:root[data-theme=dark] .brand-logo-dark{opacity:1}.main-nav{display:grid;gap:.35rem}.main-nav a,.theme-toggle,.primary-action,.secondary-action,.ghost-action,.login-panel button,.exam-card button{border-radius:8px;border:1px solid transparent;text-decoration:none}.main-nav a{padding:.78rem .85rem;color:var(--muted);font-weight:700}.main-nav a:hover,.main-nav a.active{color:var(--text);background:var(--surface-soft)}.workspace{min-width:0}.topbar{position:sticky;top:0;z-index:10;display:flex;gap:1rem;align-items:center;justify-content:space-between;min-height:78px;padding:1rem 2rem;background:color-mix(in srgb,var(--bg) 86%,transparent);border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.topbar p{margin-bottom:0;font-size:.95rem}.topbar-actions{display:flex;gap:.7rem;align-items:center}.user-menu{display:inline-flex;min-height:42px;align-items:center;gap:.55rem;padding:.35rem .45rem .35rem .35rem;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px}.user-menu span{max-width:180px;overflow:hidden;font-size:.9rem;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.user-menu button{min-height:30px;padding:0 .55rem;color:var(--muted);background:var(--surface-soft);border:1px solid var(--border);border-radius:6px;cursor:pointer}.theme-toggle,.ghost-action{display:inline-flex;width:42px;min-height:42px;align-items:center;justify-content:center;gap:.45rem;padding:0;color:var(--text);background:var(--surface);border-color:var(--border);cursor:pointer}.ghost-action{width:auto;padding:.65rem .85rem;font-weight:600}main{padding:2rem}.page-stack,.auth-layout,.state-page{width:min(1180px,100%);margin:0 auto}.page-stack{display:grid;grid-template-columns:minmax(0,1fr);gap:1.35rem}.module-hero,.auth-layout,.state-page{background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.eyebrow,.mini-label{display:inline-flex;margin:0 0 .7rem;color:var(--accent-strong);font-size:.78rem;font-weight:600;letter-spacing:0;text-transform:uppercase}.mini-label{margin-bottom:.35rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.55rem}.primary-action,.secondary-action{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:.78rem 1rem;font-weight:600}.primary-action{color:#fff;background:var(--accent);border-color:var(--accent)}.secondary-action{color:var(--text);background:var(--surface-soft);border-color:var(--border)}.text-link{color:var(--accent-strong);font-weight:600;text-decoration:none}.progress-line{height:10px;overflow:hidden;background:color-mix(in srgb,var(--border) 70%,transparent);border-radius:999px}.progress-line span{display:block;height:100%;background:var(--accent);border-radius:inherit}.content-grid,.exam-grid,.subject-grid,.analytics-panel,.admin-list{display:grid;gap:1rem}.content-grid.three,.exam-grid,.analytics-panel{grid-template-columns:repeat(3,minmax(0,1fr))}.subject-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.metric-card,.exam-card,.subject-card,.analytics-panel article,.admin-list article,.empty-state,.notice-panel,.module-summary,.auth-status{padding:1.05rem;background:var(--surface);border:1px solid var(--border);border-radius:8px}.metric-card{background:color-mix(in srgb,var(--surface) 82%,var(--accent-soft))}.metric-card p,.metric-card span{margin:0;color:var(--muted)}.metric-card strong{display:block;margin:.3rem 0;color:var(--text);font-size:2rem;line-height:1}.section-heading{display:flex;gap:1rem;align-items:end;justify-content:space-between;padding:.25rem 0}.section-heading h1,.section-heading h2,.section-heading p{margin-bottom:0}.module-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.42fr);gap:1.2rem;align-items:stretch;padding:1.8rem}.module-summary{display:grid;align-content:center;background:var(--surface-soft)}.module-summary strong{display:block;margin-bottom:.45rem;color:var(--text);font-size:clamp(1.45rem,3vw,2rem);line-height:1.05;overflow-wrap:anywhere}.exam-card{display:grid;gap:1rem;min-height:320px}.exam-size{display:grid;width:74px;height:74px;place-items:center;color:#fff;background:var(--accent);border-radius:8px;font-size:2.1rem;font-weight:600}.exam-meta{display:grid;gap:.45rem;padding-top:.75rem;margin-top:auto;color:var(--muted);border-top:1px solid var(--border);font-size:.92rem}.exam-card button,.login-panel button{min-height:42px;padding:.72rem .9rem;color:var(--muted);background:var(--surface-soft);border-color:var(--border)}.exam-card .primary-action{width:100%}.notice-panel{display:flex;gap:1rem;align-items:start;background:color-mix(in srgb,var(--warning) 12%,var(--surface))}.teacher-note{background:color-mix(in srgb,var(--accent-soft) 58%,var(--surface))}.notice-panel strong{color:var(--warning)}.notice-panel p{margin-bottom:0}.subject-card{display:grid;gap:1rem;min-height:190px}.subject-card p,.subject-card small{margin:0;color:var(--muted)}.badge{display:inline-flex;width:fit-content;padding:.35rem .55rem;color:var(--muted);background:var(--surface-soft);border:1px solid var(--border);border-radius:999px;font-size:.85rem;font-weight:600}.badge.active{color:var(--accent-strong);background:var(--accent-soft)}.auth-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,440px);gap:1.5rem;padding:1.5rem}.auth-copy{align-self:center;padding:1rem}.login-panel{display:grid;gap:1rem;padding:1.2rem;background:var(--surface-soft);border:1px solid var(--border);border-radius:8px}.login-panel img{width:9rem;max-height:3rem;object-fit:contain}.login-panel label{display:grid;gap:.4rem;color:var(--text);font-weight:600}.login-panel input{min-height:44px;padding:.7rem .8rem;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:8px}.google-button{background:var(--surface)!important}.google-button.enabled{color:#fff;background:var(--accent)!important;border-color:var(--accent);cursor:pointer;font-weight:600}.google-button.enabled:disabled{cursor:wait;opacity:.72}.inline-error{padding:.8rem;color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--danger) 38%,var(--border));border-radius:8px}.auth-status{display:grid;grid-template-columns:auto 1fr;gap:.2rem .7rem;max-width:520px;margin-top:1.4rem}.exam-session-header{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,300px);gap:1rem;align-items:stretch;padding:1.5rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.session-progress{display:grid;align-content:center;padding:1rem;background:var(--surface-soft);border:1px solid var(--border);border-radius:8px}.session-progress span,.session-progress p{margin:0;color:var(--muted)}.session-progress strong{display:block;margin:.35rem 0;color:var(--text);font-size:2.4rem}.session-progress small{color:var(--accent-strong);font-weight:600}.question-list{display:grid;grid-template-columns:minmax(0,1fr);gap:1rem}.answer-tracker{position:static;z-index:8;display:grid;grid-template-columns:minmax(220px,.34fr) minmax(0,1fr);gap:1rem;align-items:center;padding:1rem;background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid var(--border);border-radius:8px;box-shadow:0 14px 48px #15243414;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.answer-tracker strong{display:block;margin-bottom:.25rem;color:var(--text)}.answer-tracker p{margin-bottom:0;font-size:.92rem}.answer-grid{display:flex;flex-wrap:wrap;gap:.38rem;justify-content:flex-end}.answer-dot{display:grid;width:32px;height:32px;place-items:center;color:var(--muted);background:color-mix(in srgb,var(--surface-soft) 78%,var(--surface));border:1px solid var(--border);border-radius:7px;font-size:.78rem;font-weight:600;text-decoration:none}.answer-dot:hover,.answer-dot:focus-visible{color:var(--text);outline:2px solid color-mix(in srgb,var(--accent) 38%,transparent);outline-offset:2px}.answer-dot.answered{color:#fff;background:var(--accent);border-color:var(--accent)}.question-card{scroll-margin-top:178px;display:grid;grid-template-columns:minmax(0,1fr);gap:1rem;padding:1.2rem;background:var(--surface);border:1px solid var(--border);border-radius:8px}.question-card h2{max-width:920px;font-size:1.12rem;line-height:1.45}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.question-meta{display:flex;flex-wrap:wrap;gap:.5rem}.question-meta span{display:inline-flex;padding:.32rem .55rem;color:var(--muted);background:var(--surface-soft);border:1px solid var(--border);border-radius:999px;font-size:.82rem;font-weight:600}.question-asset{width:min(680px,100%);max-height:360px;object-fit:contain;background:#fff}.question-asset-button{position:relative;display:grid;width:fit-content;max-width:100%;padding:0;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:8px;cursor:zoom-in}.question-asset-button span{position:absolute;right:.65rem;bottom:.65rem;padding:.36rem .55rem;color:#fff;background:#0f171cbd;border-radius:999px;font-size:.78rem;font-weight:600}.question-asset-button:hover,.question-asset-button:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:3px}.source-image-block{display:grid;grid-template-columns:minmax(0,1fr);justify-items:start;gap:.45rem}.source-image-block small{color:var(--danger)}.question-card-image{gap:.8rem}.source-image-block.image-first{justify-items:stretch}.image-first .question-asset-button{width:min(100%,1000px)}.image-first .question-asset{display:block;width:100%;max-height:none;height:auto;object-fit:initial}.image-first .question-asset-button span{position:static;justify-self:end;margin:.45rem .65rem;font-size:.85rem}.answer-instruction{margin:.2rem 0 0;color:var(--muted);font-weight:600}.option-list-letters{grid-template-columns:repeat(4,minmax(0,1fr));max-width:1000px}.option-list-letters .option-letter{display:grid;min-height:64px;padding:.5rem;place-items:center;text-align:center}.option-list-letters .option-letter strong{width:42px;height:42px;font-size:1.15rem}@media(max-width:540px){.option-list-letters{gap:.4rem}.option-list-letters .option-letter{min-height:58px}}.source-image-action{padding:.65rem .85rem;color:var(--accent-strong);background:var(--accent-soft);border:1px solid var(--accent);border-radius:8px;cursor:pointer;font-weight:600}.source-image-action:disabled{opacity:.6;cursor:wait}.source-image-link{padding:.2rem 0;color:var(--accent-strong);background:transparent;border:0;cursor:pointer;font-weight:600;text-decoration:underline;text-underline-offset:.2em}.source-image-link:disabled{opacity:.6;cursor:wait}.module-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.module-choice-grid .exam-card h3{margin-bottom:.65rem;font-size:1.35rem;line-height:1.2}.admin-teacher-list{display:grid;gap:.7rem}.admin-teacher-card{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;background:var(--surface);border:1px solid var(--border);border-radius:8px}.admin-teacher-identity{display:grid;gap:.2rem;min-width:0}.admin-teacher-identity span{overflow-wrap:anywhere;color:var(--muted)}.admin-teacher-identity small{color:var(--accent-strong);font-weight:600}.admin-teacher-access{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:.6rem}.admin-teacher-access .secondary-action{min-height:38px;padding:.55rem .75rem}.admin-teacher-access .danger-action{min-height:38px;padding:.55rem .75rem;color:var(--danger);background:color-mix(in srgb,var(--danger) 9%,var(--surface));border:1px solid color-mix(in srgb,var(--danger) 38%,var(--border));border-radius:9px;font:inherit;font-weight:650;cursor:pointer}.admin-teacher-access .danger-action:hover:not(:disabled){background:color-mix(in srgb,var(--danger) 16%,var(--surface))}.admin-teacher-access .danger-action:disabled{opacity:.6;cursor:wait}@media(max-width:760px){.admin-teacher-card{align-items:stretch;flex-direction:column}.admin-teacher-access{justify-content:flex-start}}.option-list{display:grid;gap:.65rem}.option{display:grid;grid-template-columns:36px minmax(0,1fr);gap:.75rem;align-items:start;width:100%;padding:.85rem;color:var(--text);text-align:left;background:var(--surface-strong);border:1px solid var(--border);border-radius:8px;cursor:pointer}.math-text{min-width:0;white-space:pre-wrap}.math-expression{white-space:normal}.math-display{display:block;max-width:100%;min-width:0;overflow-x:auto}.attempt-report-explanation>.math-text{display:block;max-width:100%;overflow-x:auto}.attempt-report-explanation .katex{font-size:1.08em}.math-text .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;margin:.4em 0;padding:.12em 0}.option .math-text{align-self:center;overflow-wrap:anywhere}.option strong{display:grid;width:32px;height:32px;place-items:center;color:var(--accent-strong);background:var(--accent-soft);border-radius:999px}.option.selected{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}.option.correct{border-color:var(--accent);background:color-mix(in srgb,var(--accent-soft) 72%,var(--surface))}.option.incorrect{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface))}.feedback{padding:.9rem;border-radius:8px}.feedback p{margin-bottom:0}.feedback.correct{background:color-mix(in srgb,var(--accent-soft) 72%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 45%,var(--border))}.feedback.incorrect{background:color-mix(in srgb,var(--danger) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--danger) 45%,var(--border))}.exam-actions{position:static;display:flex;gap:1rem;align-items:center;justify-content:flex-end;padding:.8rem;background:color-mix(in srgb,var(--surface) 90%,transparent);border:1px solid var(--border);border-radius:8px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.exam-action-status{flex:1;min-width:0;color:var(--warning);font-size:.9rem;font-weight:600}.exam-actions button:disabled{cursor:not-allowed;opacity:.56}.image-zoom-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:1.2rem;background:#050c10b8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.image-zoom-panel{position:relative;display:grid;width:min(1180px,96vw);max-width:100%;max-height:92vh;padding:1rem;background:#fff;border-radius:12px;box-shadow:0 24px 90px #0000005c}.image-zoom-panel h2{margin:0 3.5rem .75rem 0;color:#17252d;font-size:1rem}.image-zoom-panel img{display:block;max-width:none;max-height:none;height:auto}.image-zoom-viewport{overflow:auto;max-height:74vh}.image-zoom-controls{display:flex;gap:1rem;align-items:center;margin-bottom:.75rem;color:#17252d}.image-zoom-controls button{padding:.5rem 1rem;min-height:44px;border-radius:8px;border:1px solid #b9cccc;background:#edf7f5;color:#123e38;cursor:pointer;font-weight:700}.image-zoom-controls button:disabled{opacity:.4;cursor:default}.image-zoom-close{position:absolute;top:.75rem;right:.75rem;min-height:38px;padding:.45rem .7rem;color:#fff;background:#0f171cd1;border:1px solid rgba(255,255,255,.2);border-radius:8px;cursor:pointer;font-weight:600}.auth-status p{grid-column:2;margin-bottom:0}.status-dot{width:.8rem;height:.8rem;margin-top:.28rem;background:var(--warning);border-radius:999px}.status-dot.ready{background:var(--accent)}.analytics-panel article{min-height:150px}.analytics-panel span,.admin-list span{display:block;color:var(--muted)}.analytics-panel strong,.admin-list strong{display:block;margin:.5rem 0;color:var(--text);font-size:1.3rem}.admin-list{grid-template-columns:repeat(2,minmax(0,1fr))}.empty-state,.state-page{text-align:center}.result-hero{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:1rem;align-items:center;padding:1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.score-ring{display:grid;width:180px;height:180px;place-items:center;justify-self:end;padding:1rem;text-align:center;background:var(--accent-soft);border:10px solid color-mix(in srgb,var(--accent) 55%,var(--surface));border-radius:999px}.score-ring strong{display:block;color:var(--accent-strong);font-size:2.4rem;line-height:1}.score-ring span{color:var(--muted);font-size:.85rem;font-weight:600}.state-page{max-width:760px;padding:2rem}.state-code{display:inline-flex;margin-bottom:1rem;padding:.4rem .7rem;color:var(--warning);background:color-mix(in srgb,var(--warning) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--warning) 30%,var(--border));border-radius:999px;font-weight:600}@media(max-width:1080px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--border)}.main-nav{grid-template-columns:repeat(5,minmax(0,1fr))}.module-hero,.auth-layout,.exam-session-header,.answer-tracker,.result-hero{grid-template-columns:1fr}.answer-grid{justify-content:flex-start}.score-ring{justify-self:start}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){h1{font-size:1.75rem}main,.topbar,.sidebar{padding:1rem}.topbar{align-items:start;flex-direction:column}.topbar-actions{width:100%;justify-content:space-between}.main-nav,.content-grid.three,.exam-grid,.subject-grid,.analytics-panel,.admin-list{grid-template-columns:1fr}.module-hero,.auth-layout,.state-page{padding:1rem}.section-heading,.notice-panel{align-items:start;flex-direction:column}.brand img{width:9.5rem}.answer-tracker{position:static}.exam-actions{align-items:stretch;flex-direction:column}.exam-actions .primary-action{width:100%}}:root{--background: #f3f8fa;--bg: var(--background);--surface-muted: #edf4f5;--surface-soft: var(--surface-muted);--text: #101d3a;--muted: #586d8b;--text-muted: var(--muted);--primary: #007c70;--primary-hover: #00665d;--accent: #009b8d;--accent-strong: #00766b;--accent-soft: #e4f4f1;--border: #e1e9ed;--success: var(--accent-strong);--radius: 10px;--radius-control: 8px;--shadow: 0 2px 8px #20365003;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px}:root[data-theme=dark]{--background: #0b1519;--surface-muted: #193037;--text: #eef5f3;--muted: #a7b8bc;--primary: #50c9b5;--primary-hover: #7de0d1;--accent: #50c9b5;--accent-strong: #7de0d1;--accent-soft: #163b38;--border: #29454d;--shadow: none}body{background:var(--background);color:var(--text)}h1,h2,h3{font-weight:700;line-height:1.25}h1{letter-spacing:-.025em}button,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}:where(a,button,input,select,summary):focus-visible{outline:3px solid var(--accent-strong);outline-offset:3px}.skip-link{position:fixed;top:-100px;left:16px;z-index:200;padding:12px 20px;background:var(--surface)}.skip-link:focus{top:12px}.primary-action{background:var(--primary);border-color:var(--primary);font-weight:600;gap:12px}:root[data-theme=dark] .primary-action{color:#0b2524}.primary-action:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.secondary-action:hover,.ghost-action:hover,.theme-toggle:hover{background:var(--border)}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.sidebar{padding:20px 18px;background:var(--surface)}.main-nav a{display:flex;align-items:center;gap:14px;min-height:44px;font-weight:500;color:var(--muted)}.main-nav a.active{background:var(--accent-soft);color:var(--accent-strong);font-weight:600}.main-nav .admin-nav{margin-top:24px;padding-top:22px;border-top:1px solid var(--border);border-radius:0}.sidebar-context{margin-top:auto;padding:16px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius)}.sidebar-context strong{display:block;font-size:14px;font-weight:600;line-height:1.5}.sidebar-context p{font-size:12px;margin:8px 0 0}.topbar{min-height:72px;padding:12px 32px;background:var(--background)}.topbar-title strong{display:block;font-size:12px;font-weight:600;color:var(--accent-strong)}.topbar-title p{margin:4px 0 0;font-size:14px}.topbar-actions{flex-shrink:0}.user-menu{padding:6px 8px;background:var(--surface);border-color:var(--border);gap:10px}.user-menu span{font-weight:600;font-size:12px}.user-menu .user-avatar{display:grid;flex-shrink:0;place-items:center;width:32px;height:32px;background:var(--surface-muted);border-radius:50%;color:var(--muted)}.user-menu button{background:transparent;border:0}.theme-toggle{width:40px;height:40px;min-height:40px;flex-shrink:0;padding:0;border:1px solid var(--border);border-radius:6px;color:var(--muted);background:var(--background);transition:background-color .15s,color .15s,border-color .15s}.theme-toggle svg{display:block}.theme-toggle:hover{background:var(--surface-soft);color:var(--text);border-color:color-mix(in srgb,var(--module-icon-ink,#655aca) 40%,var(--border))}.theme-toggle:focus-visible{outline:2px solid var(--module-icon-ink,#655aca);outline-offset:3px}main{padding:28px 32px}.page-stack{width:min(1280px,100%);gap:20px}.dashboard-header h1{margin:0;font-size:40px}.dashboard-header p:last-child{margin:0;font-size:24px;line-height:1.4}.dashboard-header .eyebrow{font-size:11px;font-weight:600;color:var(--accent-strong);letter-spacing:.045em;margin-bottom:8px}.dashboard-overview{display:grid;grid-template-columns:minmax(300px,1.8fr) minmax(0,2.7fr);gap:16px}.continue-card{position:relative;isolation:isolate;overflow:hidden;min-height:228px;padding:24px;border-radius:var(--radius);background:linear-gradient(125deg,#00796e,#005e58);color:#fff;display:flex;align-items:flex-start;flex-direction:column;justify-content:center}.continue-card:after{content:"";pointer-events:none;position:absolute;inset:0;background:linear-gradient(140deg,transparent 35%,#ffffff05 35%,#ffffff05 70%,transparent 70%);z-index:-1}.continue-card h2{color:#fff;font-size:21px;max-width:360px;margin-bottom:8px;position:relative}.continue-card p,.continue-card .mini-label{color:#e2f4ef;position:relative}.continue-card p{font-size:12px;margin-bottom:12px}.continue-card .mini-label{font-weight:600;font-size:10px;letter-spacing:.06em;margin-bottom:8px}.continue-card .primary-action{background:#fff;color:#10233c;border-color:#fff;margin-top:4px;position:relative;font-size:14px;padding:12px 18px}.continue-card .primary-action:hover{background:#e2f4ef}.practice-play{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;color:#007568;background:#f2fbf8;margin-bottom:12px;font-size:20px}.practice-illustration{position:absolute;right:16px;bottom:-28px;transform:rotate(18deg);width:104px;height:128px;border-radius:12px;background:#63cdb12e;padding:24px 16px;z-index:-1}.practice-illustration:before{content:"";position:absolute;width:12px;height:92px;background:#8cdfcc55;top:-56px;right:25px;border-radius:3px}.practice-illustration i{display:block;width:64px;height:5px;border-radius:4px;background:#9bdcca77;margin:10px 0}.practice-illustration i:last-child{width:40px}.dashboard-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.metric-card{padding:20px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0}.metric-card p{font-size:12px;display:flex;align-items:center;gap:8px}.metric-card strong{display:block;font-size:28px;font-weight:700;margin:6px 0;color:var(--text);overflow-wrap:anywhere}.metric-card span{font-size:12px;line-height:1.45;color:var(--muted)}.metric-symbol{display:inline-grid;flex-shrink:0;place-items:center;width:32px;height:32px;background:var(--accent-soft);color:var(--accent-strong)!important;border-radius:50%;font-size:22px!important}.result-metric{text-align:center}.result-metric>p{text-align:left;margin-bottom:8px}.result-donut{width:112px;height:112px;margin:0 auto 10px;padding:9px;border-radius:50%;background:conic-gradient(var(--primary) var(--score),var(--surface-muted) 0)}.result-donut>div{height:100%;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--surface)}.result-donut strong{font-size:24px;line-height:1;margin:0 0 4px}.result-donut span{font-size:9px}.result-metric h3{font-size:12px;margin-bottom:4px}.result-metric>span{font-size:10px}.metric-main{margin:24px 0 12px}.metric-main h3{font-size:16px;margin-bottom:0;overflow-wrap:anywhere}.metric-change{display:flex;align-items:center;gap:8px;margin-top:20px}.metric-change>span:last-child{font-weight:500;font-size:12px}.needs-practice .metric-main strong{color:var(--danger)}.needs-practice>p .metric-symbol{background:color-mix(in srgb,var(--danger) 10%,var(--surface));color:var(--danger)!important}.metric-card .reinforce-note{font-size:11px;background:color-mix(in srgb,var(--danger) 8%,var(--surface));color:var(--danger);padding:10px;border-radius:8px;margin:12px 0 0}.dashboard-analytics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.dashboard-surface{min-width:0;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.dashboard-surface h2,.recommendation-card h2{font-size:16px;margin-bottom:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading p{font-size:12px;margin-bottom:0}.section-heading .text-link{font-size:12px}.section-empty{color:var(--muted);padding:24px 0;line-height:1.6;font-size:14px}.chart-unit{color:var(--muted);font-size:11px}.chart-canvas{position:relative;margin-top:24px}.chart-canvas svg{display:block;width:100%;height:auto}.chart-grid{stroke:var(--border);stroke-dasharray:3 3}.chart-axis{fill:var(--muted);font-size:12px}.chart-line{stroke:var(--accent);stroke-width:3;fill:none;stroke-linejoin:round}.chart-point{fill:var(--accent);stroke:var(--surface);stroke-width:2}.chart-hit{position:absolute;transform:translate(-50%,-50%);width:32px;height:32px;border:0;background:transparent;padding:0;border-radius:50%}.chart-tooltip{position:absolute;transform:translate(-50%,calc(-100% - 12px));padding:6px 8px;background:var(--text);color:var(--surface);border-radius:6px;text-align:center;pointer-events:none;line-height:1.3;white-space:nowrap}.chart-tooltip strong{display:block;font-size:12px}.chart-tooltip span{display:block;font-size:9px}.area-list{display:grid;gap:22px;margin-top:30px}.area-row{display:grid;grid-template-columns:minmax(100px,1.3fr) 30px minmax(70px,1fr) 35px;gap:12px;align-items:center;font-size:12px}.area-name{color:var(--muted)}.area-count{white-space:nowrap}.area-row strong{text-align:right;font-size:12px}progress{display:block;width:100%;height:12px;border:0;border-radius:4px;overflow:hidden;background:var(--surface-muted);accent-color:var(--accent)}progress::-webkit-progress-bar{background:var(--surface-muted);border-radius:4px}progress::-webkit-progress-value{background:var(--accent);border-radius:4px}progress::-moz-progress-bar{background:var(--accent);border-radius:4px}.dashboard-lower{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.65fr);gap:16px}.module-card-body{display:grid;grid-template-columns:52px minmax(0,1fr);gap:12px;padding:16px;background:var(--accent-soft);border-radius:8px;margin-top:14px}.module-emblem{width:48px;height:48px}.module-card h3{font-size:15px;margin-bottom:4px}.module-card p{font-size:12px;margin:0;line-height:1.5}.module-latest{grid-column:1}.module-latest span{color:var(--muted);font-size:11px;white-space:nowrap}.module-latest strong{display:block;font-size:22px}.module-card .primary-action{justify-self:end;align-self:end;font-size:13px;min-height:40px;padding:10px 16px}.muted-text{font-size:14px;color:var(--muted)}.recommendation-card{display:flex;align-items:center;gap:20px;padding:16px 20px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius)}.recommendation-card h2{color:var(--accent-strong);font-size:12px;margin-bottom:4px}.recommendation-card p{font-size:12px;margin:0;line-height:1.5}.recommendation-card>div{flex:1}.recommendation-card .primary-action{flex-shrink:0;font-size:12px}.recommendation-emblem{display:grid;place-items:center;flex-shrink:0;width:48px;height:48px;background:color-mix(in srgb,var(--accent) 12%,var(--surface));border-radius:50%;font-size:36px;color:var(--accent-strong)}.results-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.results-summary .metric-card:last-child strong{font-size:22px}.table-scroll{position:relative;overflow-x:auto;margin-top:14px}.results-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}.results-table thead{background:var(--surface-muted)}.results-table th{color:var(--muted);font-weight:500;font-size:10px}.results-table th,.results-table td{padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:top}.results-table th:first-child,.results-table td:first-child{white-space:nowrap}.results-table tr:last-child td{border-bottom:0}.results-table small{display:block;color:var(--muted);margin-top:4px;white-space:nowrap;font-size:10px}.results-table td>strong{color:var(--accent-strong);font-size:14px}.results-table td .text-link{display:inline-block;padding:5px 10px;color:var(--muted);background:var(--surface-muted);border-radius:6px;white-space:nowrap;font-size:10px}.results-table summary{cursor:pointer;color:var(--accent-strong);min-height:32px;white-space:nowrap}.attempt-detail{min-width:220px;max-width:400px;font-size:12px}.attempt-detail ol{padding-left:20px}.attempt-detail li{padding:12px 0}.attempt-detail>ol>li>span{display:block;margin-top:4px;color:var(--muted)}.question-review{margin-top:10px}.review-source-reference{margin:0 0 12px;color:var(--muted);font-size:14px;line-height:1.6}.review-source-reference strong{color:var(--text)}.results-table .question-review summary{white-space:normal}.question-review-content{margin-top:8px;padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);overflow-wrap:anywhere}.review-prompt{white-space:pre-wrap;font-size:14px;line-height:1.6}.review-options{padding:0;list-style:none}.review-options li{padding:10px;margin-top:8px;border:1px solid var(--border);border-radius:6px;white-space:pre-wrap}.review-option-correct{background:color-mix(in srgb,var(--accent) 12%,var(--surface))}.review-option-incorrect{border-style:dashed!important}.review-option-label{display:block;font-weight:600;margin-top:4px}.review-image-button{width:100%;padding:0;border:0;background:transparent;color:var(--accent-strong);cursor:zoom-in}.review-image-button img{display:block;max-width:100%;height:auto}.review-image-button>span{display:block;padding:8px}.review-image-dialog{max-width:95vw;max-height:90vh;padding:16px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;overflow:auto}.review-image-dialog::backdrop{background:#000000a6}.review-image-dialog form{position:sticky;top:0;margin-bottom:12px}.review-image-dialog img{display:block;max-width:none}.question-review .question-audio iframe{width:100%;border:0}.attempt-report-page{width:100%;max-width:1100px;margin:0 auto}.attempt-report-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:16px}.attempt-report-answer{padding:20px;border:1px solid var(--border);border-radius:12px;background:var(--surface);min-width:0;overflow-wrap:anywhere;font-size:15px;line-height:1.6}.attempt-report-answer-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.attempt-report-answer-heading h3{margin:0;font-size:18px}.attempt-report-status{padding:4px 12px;border-radius:20px;font-size:13px;font-weight:600}.attempt-report-status.is-correct{color:#fff;background:#15803d;border:2px solid #166534;font-weight:800;font-size:15px}.attempt-report-status.is-incorrect{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface))}.attempt-report-area{color:var(--muted)}.attempt-report-explanation{white-space:pre-wrap}.attempt-report-explanation{margin-top:16px;padding:16px;border-radius:10px;background:var(--surface-soft)}.attempt-report-explanation h4{margin:0 0 8px;font-size:16px}.attempt-report-answer.is-correct{border-left:5px solid #22c55e}.attempt-report-answer.is-incorrect{border-left:3px solid color-mix(in srgb,var(--danger) 45%,var(--surface))}.review-correct-option{color:#15803d;font-size:18px}:root[data-theme=dark] .review-correct-option{color:#86efac}.attempt-report-key-note{color:var(--muted);font-size:14px}.results-detail-link{display:inline-flex;align-items:center;min-height:30px;padding:6px 12px;border:1px solid var(--border);border-radius:999px;color:var(--muted);background:var(--surface-soft);font-size:12px;line-height:1.4;font-weight:600;text-decoration:none;white-space:nowrap}.results-detail-link:hover{color:var(--accent-strong);background:var(--accent-soft)}.results-detail-link:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.attempt-report-answers>p{color:var(--muted);line-height:1.6}.attempt-report-answer .question-review summary{cursor:pointer;color:var(--accent-strong);padding:8px 0}@media(max-width:600px){.attempt-report-answer{padding:14px}.attempt-report-page .results-summary{grid-template-columns:1fr}}.module-select{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:14px}.module-select select{min-width:0;max-width:100%;padding:12px;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-control)}.text-button{color:inherit;background:transparent;border:0;padding:8px;text-decoration:underline}@media(max-width:1200px){.dashboard-overview{grid-template-columns:1fr}.continue-card{min-height:200px;padding-left:88px}.practice-play{position:absolute;left:24px;top:28px}.dashboard-metrics{gap:16px}.dashboard-analytics,.dashboard-lower{grid-template-columns:1fr}.area-row{grid-template-columns:minmax(120px,1.3fr) 32px minmax(90px,1fr) 36px}}@media(max-width:1080px){.app-shell{grid-template-columns:1fr}.sidebar{padding:12px 24px;gap:12px}.brand img{width:140px}.main-nav{display:flex;flex-wrap:wrap;gap:8px}.main-nav a{padding:10px 12px}.main-nav .admin-nav{margin:0;padding:10px 12px;border-top:0;border-left:1px solid var(--border)}.sidebar-context,.topbar-title p{display:none}}@media(max-width:760px){main{padding:24px 16px}.sidebar{padding:12px 16px}.topbar{padding:12px 16px;flex-direction:row;align-items:center;min-height:64px}.topbar-actions{width:auto}.topbar-title{display:none}.user-menu span{max-width:150px}.page-stack{gap:16px}.dashboard-header h1{font-size:28px}.dashboard-header p:last-child{font-size:18px}.dashboard-metrics,.results-summary{grid-template-columns:1fr;gap:12px}.metric-card{padding:20px}.metric-main{margin-top:12px}.continue-card{padding:24px}.practice-play{position:static}.continue-card h2{font-size:20px}.dashboard-surface{padding:16px}.recommendation-card{flex-wrap:wrap}.recommendation-card .primary-action{width:100%}.module-select{flex-direction:column;align-items:stretch}.area-row{grid-template-columns:minmax(0,1fr) 35px;gap:8px}.area-name{grid-column:1}.area-count{grid-column:2;text-align:right}.area-row progress{grid-column:1}.area-row strong{grid-column:2}.main-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.main-nav .admin-nav{border-left:0;border-top:1px solid var(--border);grid-column:1/-1}.results-table{min-width:560px}.continue-card .primary-action{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}.module-emblem svg,.recommendation-emblem svg{width:28px;height:28px}.admin-access-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;padding:1.4rem;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.admin-access-form>div,.admin-form-note{grid-column:1/-1}.admin-access-form h2{margin:0 0 .5rem}.admin-access-form p{margin:0;color:var(--muted)}.admin-access-form label,.admin-search{display:grid;gap:.5rem;font-weight:600}.admin-access-form input:not([type=checkbox]),.admin-access-form select,.admin-search input{min-width:0;width:100%;padding:.8rem;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px;font:inherit}.admin-access-form .admin-access-checkbox{display:flex;align-items:center;gap:.6rem}.admin-access-checkbox input{width:1.2rem;height:1.2rem}.admin-access-form button{justify-self:end}@media(max-width:760px){.admin-access-form{grid-template-columns:1fr}.admin-access-form button{width:100%}}.session-time-bar{position:sticky;top:12px;z-index:5;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding:10px 16px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--muted);font-size:14px}.exam-timer{display:flex;align-items:center;gap:8px;white-space:nowrap}.exam-timer strong{color:var(--text);font-variant-numeric:tabular-nums;font-size:16px}.results-summary{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.attempt-detail .area-panel{margin-top:12px;padding:12px}@media(max-width:600px){.session-time-bar{top:6px;padding:8px 12px}.results-summary{grid-template-columns:1fr}}.exam-toolbar-host:empty{display:none}.topbar:has(.exam-toolbar)>.topbar-title,.topbar:has(.exam-toolbar)>.topbar-actions{visibility:hidden}.exam-toolbar-host:not(:empty){position:absolute;top:0;left:0;width:100%}.exam-toolbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;min-height:72px;padding:10px 24px;background:var(--background);border-bottom:1px solid var(--border)}.exam-toolbar-summary{display:flex;align-items:center;gap:16px;white-space:nowrap}.exam-toolbar .exam-timer{flex-direction:column;align-items:flex-start;gap:2px}.exam-toolbar-progress{display:flex;flex-direction:column;gap:2px;font-size:12px;color:var(--muted)}.exam-toolbar-progress strong{font-size:18px;color:var(--text)}.exam-toolbar-map{min-width:0}.exam-toolbar-map-label{display:block;margin-bottom:4px;font-size:11px;color:var(--muted)}.exam-toolbar-map .answer-grid{justify-content:flex-start;max-height:96px;overflow-y:auto;padding:3px}.exam-toolbar-map .answer-dot{flex-shrink:0}.exam-map-toggle{display:none}.exam-toolbar-finish{min-height:44px;padding:10px 16px}.exam-toolbar-error{grid-column:1 / -1;margin:0}.answer-tracker-placeholder{visibility:hidden;pointer-events:none}.question-card:focus{outline:none}.question-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:760px){.exam-toolbar{grid-template-columns:minmax(0,1fr) auto auto;gap:8px;min-height:64px;padding:8px 12px}.exam-toolbar-summary{gap:12px}.exam-toolbar .exam-timer span{font-size:11px}.exam-toolbar .exam-timer strong,.exam-toolbar-progress strong{font-size:16px}.exam-toolbar-progress>span{font-size:10px}.exam-map-toggle{display:inline-flex;min-height:44px;padding:8px 10px;font-size:12px}.exam-toolbar-finish{padding:8px 10px;font-size:12px}.exam-toolbar-map{display:none;grid-column:1 / -1;grid-row:2}.exam-toolbar-map.is-open{display:block}.exam-toolbar-map .answer-grid{max-height:min(35dvh,240px);gap:6px}.exam-toolbar-map .answer-dot{width:36px;height:36px}}.question-audio{display:grid;gap:12px;padding:16px;margin:12px 0;border:1px solid var(--border);border-radius:12px;min-width:0}.question-audio-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.question-audio iframe{display:block;width:100%;height:240px;border:0;border-radius:8px;background:#202124}.question-audio small{line-height:1.5}
