.learn-panel{border:1px solid var(--border);background:var(--surface-1);border-radius:14px;grid-template-columns:minmax(0,1fr);gap:14px;min-width:0;margin-top:8px;padding:16px;display:grid}.learn-panel-title{font-family:var(--font-mono);font-size:var(--type-machine);letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin:0;font-weight:400}.learn-panel-body{gap:12px;min-width:0;display:grid}.learn-panel-body>p{color:var(--text);margin:0;font-size:14px;line-height:1.55}.learn-moments{gap:2px;margin:0;padding:0;list-style:none;display:grid}.learn-moments li{color:var(--text-muted);border-left:2px solid #0000;border-radius:0 8px 8px 0;grid-template-columns:3.2em minmax(0,1fr);gap:10px;padding:6px 10px;font-size:14px;line-height:1.4;display:grid}.learn-moments li.is-now{border-left-color:var(--text);background:var(--stage-panel);color:var(--text)}.learn-moment-at{font-variant-numeric:tabular-nums}.learn-guess{border:0;gap:10px;min-width:0;margin:0;padding:0;display:grid}.learn-guess>legend{color:var(--text);margin-bottom:10px;padding:0;font-size:15px;font-weight:550}.learn-guess-options{gap:6px;display:grid}.learn-guess-option{border:1px solid var(--border);cursor:pointer;border-radius:10px;align-items:center;min-height:44px;padding:8px 14px;font-size:14px;display:flex;position:relative}.learn-guess-option input{opacity:0;pointer-events:none;position:absolute}.learn-guess-option:has(input:focus-visible){outline:2px solid var(--focus);outline-offset:2px}.learn-guess-option:has(input:checked){border-color:var(--text)}.learn-guess-option.is-answer{border-color:var(--text);background:var(--stage-panel)}.learn-guess-option.is-answer:after{content:"✓";margin-left:auto;padding-left:12px}.learn-guess-option.is-picked{color:var(--text-muted)}.learn-guess-explain{margin:0;font-size:14px;line-height:1.55}.learn-panel-tools,.learn-panel-nav{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.learn-panel-nav{justify-content:space-between}.learn-panel .seg-radio>legend{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.learn-panel .seg-radio :where(label){padding:0 12px}.learn-panel-hold{border:1px solid var(--border);border-radius:14px;min-height:320px;margin-top:8px}.learn-blind{gap:10px;display:grid}.learn-blind>p{margin:0;font-size:14px;line-height:1.55}.learn-blind-hold{min-height:160px}.learn-lens-hold{aspect-ratio:16/9;border:1px solid var(--border);border-radius:14px;min-height:220px}@media (max-width:719px){.learn-panel{padding:12px}}@media (pointer:coarse){:root .learn-panel .seg-radio :where(label){min-height:44px}}