:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#16243a;--muted:#5e6c7d;--line:#d8e0e9;--paper:#fff;--wash:#f5f8fb;--blue:#0b6cb8;--green:#16724b;--red:#ad2f2f;--amber:#9a5c00;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--wash);min-width:320px;color:var(--ink);margin:0}button,select,textarea,input{font:inherit}.topbar{color:#fff;background:linear-gradient(125deg,#102c4d,#1a527f);padding:24px clamp(18px,5vw,64px)}.topbar h1{margin:0 0 6px;font-size:clamp(1.6rem,3.2vw,2.35rem)}.topbar p{color:#dcecff;max-width:900px;margin:0;line-height:1.5}.shell{width:min(1180px,100% - 32px);margin:24px auto 56px}.pack-toolbar,.panel,.task-card,.audio-card,.question-card,.notice{border:1px solid var(--line);background:var(--paper);border-radius:14px;box-shadow:0 6px 20px #192c450f}.pack-toolbar{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:16px;margin-bottom:18px;padding:18px;display:grid}.pack-toolbar label{gap:7px;font-weight:700;display:grid}select{width:100%;min-height:44px;color:var(--ink);background:#fff;border:1px solid #aebbc9;border-radius:9px;padding:8px 12px}.status-chip{color:#164f7e;white-space:nowrap;background:#e6f3ff;border-radius:999px;align-self:center;padding:8px 12px;font-size:.9rem;font-weight:700}.panel,.notice{padding:clamp(18px,3vw,30px)}.panel h2,.panel h3,.task-card h3,.audio-card h3{margin-top:0}.meta-row{flex-wrap:wrap;gap:8px;margin:10px 0 20px;display:flex}.meta-row span{color:#36465a;background:#edf2f7;border-radius:999px;padding:5px 10px;font-size:.88rem}.task-list,.section-list{gap:18px;display:grid}.task-card,.audio-card{padding:20px}.task-card.is-selected{border-color:#348bd0;box-shadow:0 0 0 3px #348bd024}.task-choice{align-items:center;gap:9px;margin-bottom:12px;font-weight:800;display:flex}.prompt{white-space:pre-wrap;line-height:1.68}.text-types{flex-wrap:wrap;gap:8px;margin:13px 0;display:flex}.text-types span{background:#f8fafc;border:1px solid #bfccda;border-radius:8px;padding:6px 10px;font-size:.92rem}textarea{resize:vertical;border:1px solid #aebbc9;border-radius:10px;width:100%;min-height:300px;padding:14px;line-height:1.6}.counter{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums;margin:7px 0 0}.counter.is-low,.counter.is-high{color:var(--amber);font-weight:700}.rubric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px;display:grid}details{border:1px solid var(--line);background:#fbfcfe;border-radius:10px;padding:10px 12px}summary{cursor:pointer;font-weight:800}.rubric-band{color:#3e4c5d;margin:9px 0 0;line-height:1.45}.audio-card{z-index:3;background:#f8fbff;margin-bottom:18px;position:sticky;top:10px}audio{width:100%;margin-top:10px}.audio-note{color:var(--muted);margin-bottom:0;font-size:.92rem}.section{border:1px solid var(--line);background:#fff;border-radius:14px;overflow:hidden}.section-header{background:#f7f9fc;grid-template-columns:minmax(0,1fr) minmax(240px,42%);align-items:center;gap:18px;padding:18px;display:grid}.section-header img{object-fit:contain;background:#fff;border-radius:10px;width:100%;max-height:250px;display:block}.questions{gap:12px;padding:18px;display:grid}.question-card{box-shadow:none;padding:17px}.question-card legend{width:100%;padding:0;font-weight:750;line-height:1.5}.marks{color:var(--muted);font-size:.9rem;font-weight:600}.options{gap:9px;margin-top:13px;display:grid}.option{grid-template-columns:20px minmax(0,1fr);align-items:start;gap:9px;line-height:1.45;display:grid}.short-inputs{gap:8px;margin-top:13px;display:grid}.short-inputs input{border:1px solid #aebbc9;border-radius:8px;width:100%;min-height:42px;padding:8px 10px}.feedback{border-radius:8px;margin:12px 0 0;padding:9px 11px;line-height:1.45;display:none}.feedback.is-visible{display:block}.feedback.is-correct{color:#115f3d;background:#e7f6ef}.feedback.is-wrong{color:#8f2626;background:#fff0f0}.actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;display:flex}.button{cursor:pointer;background:var(--blue);color:#fff;border:0;border-radius:9px;min-height:44px;padding:9px 16px;font-weight:800}.button.secondary{color:var(--ink);background:#fff;border:1px solid #aebbc9}.score{color:var(--green);font-weight:800}.loading,.error{text-align:center;line-height:1.6}.error{color:var(--red)}@media (width<=760px){.shell{width:min(100% - 20px,1180px);margin-top:12px}.pack-toolbar,.section-header,.rubric-grid{grid-template-columns:1fr}.audio-card{position:static}textarea{min-height:240px}}