/* MCQ tests */
.test-wrap{max-width:820px}
.test-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;position:sticky;top:0;background:var(--mint);padding:8px 0;z-index:5}
.test-bar h1{font-size:1.6rem;margin:0}.test-bar p{margin:0}
.timer{font:800 1.8rem var(--font-h);color:var(--forest);background:#fff;border:2px solid var(--line);border-radius:12px;padding:4px 16px;min-width:96px;text-align:center;font-variant-numeric:tabular-nums}
.timer.low{color:var(--danger);border-color:var(--danger)}
.palette{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.palette button{width:40px;height:40px;border-radius:10px;border:2px solid var(--line);background:#fff;color:var(--forest);font:700 .95rem var(--font-b);cursor:pointer}
.palette button.done{background:var(--mint-3);border-color:var(--leaf)}
.palette button.cur{background:var(--forest);color:#fff;border-color:var(--forest)}
.tq{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);padding:18px 20px;margin:0 0 16px;min-width:0}
.tq[hidden]{display:none}
.tq legend{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:0 6px;font-weight:700}
.qn{color:var(--forest)}.qtag{background:var(--mint-3);border-radius:999px;padding:2px 10px;font-size:.78rem;font-weight:600;color:var(--forest)}
.q-text{white-space:pre-line;font-size:1.08rem;font-weight:600;margin:8px 0 14px}
.opt{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;margin:0 0 8px;border:2px solid var(--line);border-radius:12px;cursor:pointer;background:#fff}
.opt:hover{border-color:var(--leaf)}
.opt{position:relative}
.opt input{position:absolute;left:0;top:0;width:1px;height:1px;min-height:0;margin:0;padding:0;border:0;opacity:0;pointer-events:none}
.opt-l{flex:none;width:28px;height:28px;border-radius:50%;background:var(--mint-3);color:var(--forest);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.opt-t{min-width:0;overflow-wrap:anywhere}
.opt:has(input:checked){border-color:var(--leaf);background:var(--mint-2)}
.opt:has(input:checked) .opt-l{background:var(--leaf);color:#fff}
.opt:has(input:focus-visible){outline:3px solid var(--gold);outline-offset:2px}
.test-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;margin:8px 0 32px}
.test-nav [data-submit]{margin-left:auto}
.score-panel{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.score{font:800 3rem var(--font-h);color:var(--forest);margin:0;line-height:1}.score b{color:var(--leaf-dark)}
.focus{padding-left:1.2em}.focus li{margin-bottom:10px}
.bars{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.bars li{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) 92px;gap:10px;align-items:center;font-size:.92rem}
.pbar{display:block;height:12px;border-radius:999px;background:var(--mint-3);overflow:hidden}
.pbar i{display:block;height:100%;background:var(--leaf)}.pbar i.low{background:var(--danger)}
.bar-pct{text-align:right;font-weight:600}
.rv{border-left:6px solid var(--line)}.rv-ok{border-left-color:var(--leaf)}.rv-bad{border-left-color:var(--danger)}.rv-skip{border-left-color:var(--gold)}
.rv-opts{list-style:none;margin:0 0 10px;padding:0;display:grid;gap:6px}
.rv-opts li{display:flex;gap:10px;align-items:flex-start;padding:8px 12px;border-radius:10px;border:1px solid var(--line)}
.rv-opts li.is-right{background:#D4F3E0;border-color:var(--leaf)}.rv-opts li.is-wrong{background:#FBE4E2;border-color:var(--danger)}
.rv-opts .tag{font-size:.75rem;margin-left:auto;white-space:nowrap}
.exp{background:var(--mint-2);border-radius:10px;padding:10px 14px;margin:0}
@media (max-width:600px){.bars li{grid-template-columns:1fr 70px}.bars .pbar{grid-column:1/-1;order:3}.test-bar{flex-wrap:wrap}.tq{padding:14px}}

form.inline{display:inline-block;margin:0}
.chapter-row{flex-wrap:wrap}
.sets{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.set{display:inline-flex;gap:8px;align-items:center}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn-chap{background:#FFF3D6;border-color:var(--gold-dark);color:#5c3d00}.btn-chap:hover{background:var(--gold);border-color:var(--gold-dark);color:#1a1200}
@media (max-width:600px){.chapter-row{flex-direction:column;align-items:flex-start;gap:8px}.chapter-row .sets{width:100%}}