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var(--border);border-radius:var(--r);color:var(--text);font-size:15px;font-family:inherit;line-height:1.5;resize:vertical}.editor textarea:focus,.editor input:focus{outline:none;border-color:var(--border-strong)}.editor .option-edit{display:grid;grid-template-columns:28px 1fr;gap:10px;margin-bottom:8px;padding:10px;border:1px solid var(--border);border-left:3px solid transparent;border-radius:var(--r)}.editor .option-edit.correct{border-left-color:var(--correct);background:var(--correct-bg)}.editor .option-edit .letter{font-family:var(--mono);color:var(--text-faint);padding-top:8px}.editor .option-edit.correct .letter{color:var(--correct);font-weight:700}.editor .key-pick{font-size:12px;color:var(--text-faint);margin-bottom:10px}.empty{text-align:center;padding:90px 20px;color:var(--text-dim)}.empty h2{color:var(--text);font-size:22px;font-weight:700;letter-spacing:-.01em;margin:0 0 8px}.error{margin-bottom:16px;padding:11px 14px;background:var(--danger-bg);border-left:3px solid var(--danger);border-radius:var(--r);color:var(--danger-lift);font-size:14px}.toast{position:fixed;top:58px;left:50%;transform:translate(-50%);padding:9px 16px;background:var(--surface-raised);border:1px solid var(--border-strong);border-left:3px solid var(--border-strong);border-radius:var(--r);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;z-index:10}.toast.ok{border-left-color:var(--correct);color:var(--correct)}.toast.bad{border-left-color:var(--danger);color:var(--danger-lift)}.help{position:fixed;top:0;right:0;bottom:0;left:0;background:#14141473;display:grid;place-items:center;padding:24px;z-index:20;overflow-y:auto}.help .panel{background:var(--surface);border:1px solid var(--border);border-top:3px solid var(--accent);border-radius:var(--r);padding:26px 30px;min-width:380px;max-width:560px;max-height:100%;overflow-y:auto}.help h2{margin:0 0 16px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);padding-bottom:7px;border-bottom:1px solid var(--border)}.help table{border-collapse:collapse;font-size:14px;width:100%}.help td{padding:8px 0;border-bottom:1px solid var(--border)}.help tr:last-child td{border-bottom:none}.help td:first-child{padding-right:18px;white-space:nowrap}.help td+td{padding-left:18px}.help td:last-child{width:55%}.help kbd{font-family:var(--mono);font-size:12px;padding:2px 7px;background:var(--surface-raised);border:1px solid var(--border-strong);border-radius:var(--r)}.reading-title{margin:.2rem 0 .8rem;font-size:1.25rem}.reading-para{margin-bottom:.9rem}.reading-tr{margin:.2rem 0 0;color:#666;font-size:.92em}.reading-glossary{display:grid;grid-template-columns:repeat(2,1fr);gap:.15rem 1.2rem;margin:0}.reading-glossary div{display:flex;gap:.5rem}.reading-glossary dt{font-weight:600;margin:0}.reading-glossary dd{margin:0;color:#444}