.homework-shell{width:min(1180px,calc(100% - 2rem));margin:0 auto;color:var(--color-brand)}
.homework-login,.teacher-login{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(2rem,8vw,7rem);align-items:center;min-height:calc(100svh - 110px)}
.homework-kicker{margin:0 0 .6rem;color:var(--color-accent);font:800 .72rem/1 var(--font-ui);letter-spacing:.14em;text-transform:uppercase}
.homework-login h1,.teacher-login h1,.homework-results h1,.teacher-dashboard h1{max-width:13ch;margin:.3rem 0 1.2rem;font:850 clamp(2.5rem,5vw,5rem)/.94 var(--font-ui);letter-spacing:-.06em}
.homework-login>div>p:last-child,.teacher-login>div>p:last-child{max-width:52ch;color:var(--color-muted)}
.homework-login form,.teacher-login form{display:grid;gap:.85rem;padding-top:1.5rem;border-top:3px solid var(--color-accent)}
.homework-login label,.teacher-login label{font:750 .82rem/1.3 var(--font-ui)}
.homework-login input,.teacher-login input{display:block;width:100%;margin-top:.5rem;background:#fff}
.homework-login form>small,.teacher-login form>small{color:var(--color-muted);font-size:.75rem}.homework-login [role=alert],.teacher-login [role=alert]{min-height:1.4rem;color:var(--color-danger);font-size:.8rem}
.entry-action{display:flex;align-items:center;justify-content:space-between;min-height:64px;margin-top:.4rem;padding:0 14px 0 18px;border:0;border-radius:12px;background:var(--color-brand);color:#fff;box-shadow:0 14px 30px rgb(27 61 50 / .18);transition:transform .18s,background .18s,box-shadow .18s}.entry-action span{display:grid;gap:4px;text-align:left}.entry-action span b{font:800 .92rem/1 var(--font-ui)}.entry-action span small{color:rgba(255,255,255,.68);font:600 .7rem/1 var(--font-ui)}.entry-action>i{display:grid;width:38px;height:38px;place-items:center;border-radius:9px;background:rgba(255,255,255,.12);font-style:normal;font-size:1.2rem;transition:transform .18s}.entry-action:hover{background:var(--color-brand-deep);transform:translateY(-2px);box-shadow:0 18px 36px rgb(27 61 50 / .23)}.entry-action:hover>i{transform:translateX(3px)}
.homework-workspace{margin-block:2rem;border:1px solid var(--color-line);border-radius:20px;background:#fff;box-shadow:var(--shadow-lg);overflow:hidden}.homework-head{display:flex;justify-content:space-between;align-items:center;padding:20px 28px}.homework-head>div{display:flex;align-items:center;gap:14px}.homework-brand{display:grid;width:44px;height:44px;place-items:center;border-radius:12px;background:var(--color-brand);color:#fff;font:800 .78rem var(--font-ui);transform:rotate(-4deg)}.homework-head p{margin:0;color:var(--color-muted);font:700 .7rem/1.3 var(--font-ui);text-transform:uppercase;letter-spacing:.08em}.homework-head p strong{display:block;margin-top:3px;color:var(--color-brand);font-size:1.15rem;letter-spacing:-.02em;text-transform:none}.homework-head>b{font:850 1.55rem/1 var(--font-ui)}.homework-head>b small{font-size:.8rem;color:var(--color-muted)}.homework-progress{height:4px;background:#e8ece9}.homework-progress i{display:block;height:100%;background:var(--color-gold);transform-origin:left;transition:transform .35s}
.homework-question{padding:clamp(30px,5vw,64px) clamp(22px,7vw,84px) 30px}.question-meta{display:flex;gap:8px;margin-bottom:26px}.question-meta span{padding:5px 9px;border-radius:999px;background:var(--color-paper);color:var(--color-muted);font:750 .68rem/1 var(--font-ui)}.question-meta span:first-child{margin-right:auto;background:none;color:var(--color-brand)}.homework-question h2{margin:0 0 18px;font:850 clamp(2.5rem,6vw,4.5rem)/.95 var(--font-ui);letter-spacing:-.065em}.question-instruction{display:flex;gap:12px;max-width:900px;margin-bottom:20px;padding:11px 14px;border-left:3px solid var(--color-gold);background:var(--color-paper);font-family:var(--font-ui)}.question-instruction b{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase}.question-instruction span{color:var(--color-muted);font-size:.84rem;font-weight:650}.question-prompt{max-width:900px;margin:0 0 28px;font:650 clamp(1.1rem,2vw,1.35rem)/1.55 var(--font-ui)}
.homework-question fieldset{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:920px;padding:0;border:0}.homework-question legend{margin-bottom:10px;color:var(--color-muted);font:800 .68rem var(--font-ui);letter-spacing:.1em;text-transform:uppercase}.homework-question fieldset label{position:relative;display:grid;grid-template-columns:40px 1fr;align-items:center;min-height:66px;padding:10px 14px;border:1px solid var(--color-line);border-radius:11px;background:#fff;cursor:pointer;transition:transform .18s,border-color .18s,background .18s}.homework-question fieldset label:hover{transform:translateY(-2px);border-color:var(--color-brand)}.homework-question fieldset label:has(input:checked){border-color:var(--color-brand);background:var(--color-paper);box-shadow:inset 0 0 0 1px var(--color-brand)}.homework-question fieldset input{position:absolute;opacity:0}.homework-question fieldset label>b{display:grid;width:36px;height:36px;place-items:center;border-radius:8px;background:var(--color-paper);font:800 .82rem var(--font-ui)}.homework-question fieldset label:has(input:checked)>b{background:var(--color-brand);color:#fff}.homework-question fieldset label>span{padding-left:10px;font-family:var(--font-ui)}
.homework-nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;margin-top:28px;padding-top:20px;border-top:1px solid var(--color-line)}.homework-nav button{min-height:44px;padding:0 14px;border:1px solid var(--color-line);border-radius:9px;background:#fff;font-weight:750}.homework-nav button:last-child{justify-self:end}.homework-nav button:disabled{opacity:.35}.homework-nav>span{color:var(--color-muted);font:700 .72rem var(--font-ui)}
.homework-palette{display:grid;grid-template-columns:repeat(20,1fr);gap:5px;padding:20px 28px;background:#f2f4f1;border-top:1px solid var(--color-line)}.homework-palette button{min-width:0;min-height:32px;border:1px solid transparent;border-radius:7px;background:#fff;color:var(--color-muted);font:750 .68rem var(--font-ui)}.homework-palette button.answered{background:var(--color-brand);color:#fff}.homework-palette button[aria-current=true]{outline:2px solid var(--color-accent);outline-offset:2px}.finish-homework{display:block;width:calc(100% - 56px);min-height:50px;margin:18px 28px 26px;border-radius:10px;background:var(--color-brand);color:#fff;font-weight:800}
.homework-results{padding-block:clamp(3rem,7vw,6rem)}.result-score{display:flex;align-items:center;gap:30px;margin:2.5rem 0}.result-score>strong{display:grid;width:160px;aspect-ratio:1;place-content:center;border-radius:50%;background:var(--color-brand);color:#fff;text-align:center;font:850 3.2rem/1 var(--font-ui)}.result-score>strong small{display:block;margin-top:8px;font-size:.7rem}.topic-results{max-width:800px}.topic-results>div{display:grid;grid-template-columns:1.3fr 2fr auto;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--color-line)}.topic-results i{height:7px;background:#e5e9e6}.topic-results i b{display:block;height:100%;background:var(--color-brand);transform-origin:left}.result-action{width:min(100%,560px);margin-top:30px}.solution-list{margin-top:3rem}.solution-list details{padding:1rem 0;border-top:1px solid var(--color-line)}.solution-list summary{display:flex;justify-content:space-between;cursor:pointer}.solution-list .is-wrong summary b{color:var(--color-danger)}
.teacher-dashboard{padding-block:2.5rem}.teacher-dashboard header{display:flex;justify-content:space-between;align-items:end;gap:2rem}.live-monitor{display:grid;justify-items:end;gap:5px}.live-monitor>span{color:var(--color-success);font:800 .72rem var(--font-ui);text-transform:uppercase;letter-spacing:.09em}.live-monitor>span i{display:inline-block;width:8px;height:8px;margin-right:5px;border-radius:50%;background:#35a673;box-shadow:0 0 0 4px rgb(53 166 115 / .14)}.live-monitor small{color:var(--color-muted)}.live-monitor button{min-height:32px;padding:0 10px;border:1px solid var(--color-line);border-radius:7px;background:#fff;font-weight:750}.teacher-table-wrap{overflow:auto;margin-top:2rem;border:2px solid #6B5E4F;border-radius:6px}.teacher-dashboard table{width:100%;min-width:980px;border-collapse:collapse;border:1px solid #9C8E7E}.teacher-dashboard th,.teacher-dashboard td{padding:14px;text-align:left;border:1px solid #9C8E7E;vertical-align:top}.teacher-dashboard td>b{display:inline-grid;min-width:34px;height:30px;place-items:center;border-radius:8px;background:var(--color-paper)}.teacher-dashboard .correct-metric>b{color:var(--color-success);background:var(--color-success-light)}.teacher-dashboard .wrong-metric>b{color:var(--color-danger);background:var(--color-danger-light)}.attempt-state{font:750 .78rem var(--font-ui)}.teacher-dashboard td small{display:block;margin-top:4px;color:var(--color-muted)}.wrong-links button{min-height:30px;margin:2px;padding:3px 7px;border:1px solid var(--color-line);border-radius:6px;background:#fff;font-size:.7rem}.teacher-empty{text-align:center!important;color:var(--color-muted)}
.teacher-detail{display:none;position:relative;margin-top:26px;padding:clamp(24px,4vw,44px);border-top:3px solid var(--color-brand);background:#fff}.teacher-detail.is-open{display:block}.teacher-detail>button{position:absolute;right:18px;top:14px;width:40px;height:40px;border-radius:50%;background:var(--color-paper);font-size:1.4rem}.teacher-detail h2{font:850 2rem var(--font-ui)}.detail-prompt{max-width:850px;font:650 1.1rem/1.5 var(--font-ui)}.teacher-detail ol{display:grid;gap:7px;max-width:850px}.teacher-detail li{padding:9px 12px;border:1px solid var(--color-line);border-radius:8px}.teacher-detail li b{display:inline-block;margin-left:9px;padding:3px 6px;border-radius:999px;background:var(--color-paper);font:700 .65rem var(--font-ui)}.teacher-detail .student-choice{border-color:var(--color-danger);background:var(--color-danger-light)}.teacher-detail .correct-choice{border-color:var(--color-success);background:var(--color-success-light)}
.homework-loading{display:grid;gap:1rem;padding-block:3rem}.homework-loading i{height:70px;background:linear-gradient(90deg,#e6eae7,#f7f8f7,#e6eae7);background-size:200%;animation:hw-shimmer 1.3s infinite}.homework-loading i+ i{height:300px}@keyframes hw-shimmer{to{background-position:-200%}}
@media(max-width:760px){.homework-login,.teacher-login{grid-template-columns:1fr;min-height:auto;padding-block:3rem}.homework-workspace{width:calc(100% - 1rem);margin-block:1rem}.homework-head{padding:16px}.homework-brand{display:none}.homework-question{padding:28px 16px}.question-meta{flex-wrap:wrap}.question-meta span:first-child{width:100%}.question-instruction{display:grid;gap:3px}.homework-question fieldset{grid-template-columns:1fr}.homework-nav{grid-template-columns:1fr 1fr}.homework-nav>span{grid-column:1/-1;grid-row:1;text-align:center}.homework-palette{grid-template-columns:repeat(10,1fr);padding:16px}.finish-homework{width:calc(100% - 32px);margin:16px}.teacher-dashboard header{display:block}.live-monitor{justify-items:start;margin-top:18px}.topic-results>div{grid-template-columns:1fr auto}.topic-results i{grid-column:1/-1;grid-row:2}}