:root{color-scheme:dark;--bg:#07121d;--panel:#0e2130;--ink:#eef7fa;--muted:#a8bec9;--cyan:#36d5d0;--line:#315062;--green:#67dfa0;--red:#ff8990;--gold:#f5c96b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,Segoe UI,sans-serif}.wrap{max-width:1120px;margin:auto;padding:20px 22px 50px}header p{color:var(--muted);margin:.4rem 0}.eyebrow{font-size:.76rem;letter-spacing:.05em;color:var(--cyan)}h1{font-size:2.2rem;line-height:1.1;margin:.5rem 0}h2{font-size:1.2rem;margin:20px 0 2px}.muted{color:var(--muted);font-size:.85rem}.progress{display:flex;gap:20px;border-block:1px solid var(--line);padding:12px 0;margin:18px 0}.progress b{color:var(--cyan)}.station-heading{display:flex;gap:12px;align-items:center}.station-heading label{white-space:nowrap;font-weight:650}select,button,input{font:inherit}select{width:100%;min-width:0;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px}button{cursor:pointer;min-height:46px;padding:10px 14px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:10px;font-weight:650}button.primary{background:var(--cyan);color:#04202a;border-color:var(--cyan)}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.workspace{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,1fr);gap:22px;align-items:start;margin-top:14px}.specimen-clip{position:relative;overflow:hidden;width:100%;background:#fff;border-radius:12px}.specimen-clip img{position:absolute;display:block;max-width:none;height:auto;pointer-events:none;user-select:none}.label-fields{display:grid;gap:12px}.label-row{display:grid;grid-template-columns:40px minmax(0,1fr);column-gap:9px;row-gap:5px;padding:9px;border:2px solid var(--line);border-radius:12px;background:var(--panel)}.marker{display:grid;place-items:center;align-self:start;min-height:43px;font-weight:800;color:var(--gold);overflow-wrap:anywhere}.label-row input{width:100%;min-width:0;border:1px solid #567383;border-radius:7px;background:var(--bg);color:var(--ink);padding:11px 10px;font-size:16px}.result{grid-column:2;font-weight:650;font-size:.88rem}.result:empty{display:none}.label-row.correct{border-color:var(--green);background:#0b2e23}.correct .result{color:var(--green)}.label-row.wrong{border-color:var(--red);background:#361c25}.wrong .result{color:var(--red)}.label-row.revealed{border-color:var(--gold)}.revealed .result{color:var(--gold)}.feedback{min-height:24px;margin:15px 0 10px;font-weight:650}.actions{display:flex;gap:8px;flex-wrap:wrap}.secondary{margin-top:9px}.secondary button{font-size:.9rem}footer{color:var(--muted);font-size:.8rem;border-top:1px solid var(--line);padding-top:15px;margin-top:25px}.error{color:var(--red)}[hidden]{display:none!important}@media(max-width:650px){.wrap{padding:10px 12px 35px}h1{font-size:1.7rem}header p{font-size:.88rem}.eyebrow{font-size:.69rem}h2{margin-top:14px}.workspace{grid-template-columns:1fr;gap:14px}.station-heading{display:block}.station-heading label{display:block;margin-bottom:6px;font-size:.85rem}.progress{gap:14px;font-size:.8rem;margin:12px 0;padding:9px 0}.specimen-clip{max-width:520px;margin:auto}.label-fields{gap:9px}.actions>button{flex:1}select{font-size:.92rem}}