:root{--ink:#1f2937;--muted:#6b7280;--bg:#fef9ec;--card:#fff;--pri:#4f46e5;--pri2:#eef2ff;--ok:#059669;--okbg:#d1fae5;--bad:#dc2626;--badbg:#fee2e2;--warn:#f59e0b;--r:18px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;font-size:18px;-webkit-text-size-adjust:100%}
button,input,select{font:inherit;color:inherit}
.top{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;padding:14px 16px 10px;text-align:center}
.brand{font-weight:800;font-size:1.35rem}
.sub{opacity:.85;font-size:.85rem}
.tabs{display:flex;gap:6px;padding:8px;max-width:680px;margin:0 auto;position:sticky;top:0;background:var(--bg);z-index:5}
.tab{flex:1;border:0;border-radius:14px;padding:12px 6px;background:#fff;font-weight:700;font-size:.95rem;box-shadow:0 1px 3px #0002;cursor:pointer}
.tab.active{background:var(--pri);color:#fff}
.tabs.locked .tab:not(.active){opacity:.4;pointer-events:none}
main{max-width:680px;margin:0 auto;padding:4px 12px 40px}
.card{background:var(--card);border-radius:var(--r);padding:18px;margin:12px 0;box-shadow:0 2px 8px #0001}
.hero{text-align:center}
h1{margin:.1em 0 .3em;font-size:1.8rem}
h2{font-size:1.2rem;margin:0 0 8px}
.rules{background:#fff7d6;border-radius:12px;padding:10px;font-size:.92rem;margin:10px 0 14px}
.field{margin:12px 0;text-align:left}
.label{display:block;font-weight:700;margin-bottom:6px}
.range{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.range-pickers{display:inline-flex;gap:8px;align-items:center}
.range-pickers.disabled{opacity:.4;pointer-events:none}
select{padding:8px 10px;border-radius:10px;border:2px solid #d1d5db;background:#fff;font-size:1.05rem}
.chk{display:flex;gap:8px;align-items:flex-start;margin:8px 0;text-align:left;line-height:1.35}
.chk input{width:22px;height:22px;flex:none;margin-top:1px}
.hint{color:var(--muted);font-size:.85rem;margin:6px 0}
.big{display:block;width:100%;border:0;border-radius:16px;padding:16px;font-size:1.25rem;font-weight:800;margin-top:10px;cursor:pointer}
.mid{border:0;border-radius:14px;padding:12px 14px;font-size:1rem;font-weight:700;background:var(--pri2);color:var(--pri);cursor:pointer}
.small{border:0;border-radius:10px;padding:8px 12px;font-size:.9rem;background:#f3f4f6;cursor:pointer;margin:4px 4px 4px 0}
.primary{background:var(--pri);color:#fff;box-shadow:0 4px 0 #3730a3}
.primary:active{transform:translateY(2px);box-shadow:0 2px 0 #3730a3}
.soft{background:var(--pri2);color:var(--pri)}
.ghost{background:transparent}
.danger{background:var(--badbg);color:var(--bad)}
.link{border:0;background:none;color:var(--pri);text-decoration:underline;margin-top:10px;font-size:.95rem;cursor:pointer}
.btnrow{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.btnrow .big{flex:1;min-width:140px}
.testbar{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.progress{font-weight:800;font-size:1.1rem}
.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.6rem;background:#fff;border-radius:12px;padding:4px 12px;min-width:110px;text-align:center}
.timer.low{color:#b45309}
.timer.over{color:#fff;background:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.75}}
.bar{height:8px;background:#e5e7eb;border-radius:8px;margin:8px 0;overflow:hidden}
.bar-fill{height:100%;background:var(--pri);width:0;transition:width .3s}
.qcard{text-align:center}
.speaker{font-size:3rem}
.prompt{font-size:1.2rem;font-weight:700;margin:6px 0 12px}
.meaning{background:#f9fafb;border-radius:12px;padding:10px;font-size:1.05rem;margin:10px 0}
.options{display:grid;gap:12px;margin-top:16px}
.opt{border:3px solid #e5e7eb;background:#fff;border-radius:16px;padding:18px 10px;font-size:1.6rem;font-weight:800;letter-spacing:.06em;cursor:pointer}
.opt:active,.opt.chosen{border-color:var(--pri);background:var(--pri2)}
.total{font-size:4rem;font-weight:900;color:var(--pri);line-height:1}
.total small{display:block;font-size:1rem;color:var(--muted);font-weight:600}
.breakdown{width:100%;border-collapse:collapse;margin:14px 0;text-align:left}
.breakdown td{padding:8px 4px;border-bottom:1px solid #eee}
.breakdown td:last-child{text-align:right;font-weight:800;font-variant-numeric:tabular-nums}
.breakdown small{color:var(--muted)}
.breakdown .sum td{font-size:1.2rem;border-bottom:0}
.review{padding:0;margin:0;list-style:none;counter-reset:r}
.review li{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;margin:6px 0;counter-increment:r}
.review li::before{content:counter(r);font-weight:800;color:var(--muted);min-width:1.6em}
.review li.ok{background:var(--okbg)}
.review li.bad{background:var(--badbg)}
.review .w{flex:1;line-height:1.3}
.review .right{font-weight:800;letter-spacing:.04em}
.review .yours{font-size:.9rem}
.review .yours s{color:var(--bad)}
.review .note{font-size:.8rem;color:#92400e}
.hear{border:0;background:#fff;border-radius:50%;width:44px;height:44px;font-size:1.2rem;flex:none;cursor:pointer;box-shadow:0 1px 3px #0002}
.wordlist{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.wordlist li{background:#fff7d6;border-radius:999px;padding:6px 6px 6px 12px;display:flex;align-items:center;gap:6px;font-weight:700;letter-spacing:.03em}
.wordlist .hear{width:32px;height:32px;font-size:.9rem}
.wordlist .empty{background:none;color:var(--muted);font-weight:400}
.count{background:var(--pri2);color:var(--pri);border-radius:999px;padding:2px 10px;font-size:.9rem}
.history{width:100%;border-collapse:collapse;font-size:.9rem}
.history th,.history td{padding:6px 4px;border-bottom:1px solid #eee;text-align:left}
.history td:last-child,.history th:last-child{text-align:right;font-weight:800}
.settings summary{font-weight:700;cursor:pointer}
@media (min-width:600px){.options{grid-template-columns:1fr}}

/* ---- Dictation: read-only answer box + on-screen keyboard ---- */
html,body,button{touch-action:manipulation}
.dq{padding:12px 8px}
.dq .prompt{margin:2px 0 8px;font-size:1.1rem}
.sayrow{flex-wrap:nowrap;gap:6px}
.sayrow .mid{flex:1;padding:12px 4px;font-size:.95rem;white-space:nowrap;min-height:48px}
.dq .link{margin-top:6px}
.answer-box{min-height:62px;margin:8px 0 10px;padding:8px 10px;border:3px solid var(--pri);border-radius:16px;background:#fff;
  font-size:1.9rem;font-weight:800;letter-spacing:.06em;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  word-break:break-all;user-select:none;-webkit-user-select:none;cursor:default}
.answer-box .caret{display:inline-block;width:3px;height:1.6rem;background:var(--pri);margin-left:2px;animation:blink 1s steps(1) infinite}
.answer-box .ph{display:none;color:#9ca3af;font-size:1.1rem;font-weight:600;letter-spacing:0}
.answer-box.empty .ph{display:inline;margin-left:6px}
.answer-box.shake{animation:shake .3s}
@keyframes blink{50%{opacity:0}}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.kbd{display:flex;flex-direction:column;gap:6px;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.krow{display:flex;gap:4px;justify-content:center}
.key{flex:1 1 0;min-width:0;height:50px;border:0;border-radius:10px;background:#eef0f6;color:var(--ink);
  font-size:1.35rem;font-weight:800;padding:0;box-shadow:0 3px 0 #c9cede;cursor:pointer;
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;transition:transform .04s,background .04s}
.key.pressed,.key:active{transform:translateY(2px);box-shadow:0 1px 0 #c9cede;background:#c7d2fe}
.key.spacer{flex:.5 1 0;visibility:hidden}
.key.wide{flex:1.6 1 0;font-size:1rem}
.key.fn{background:#e5e7eb;font-size:1rem}
.key.space{flex:3 1 0;font-size:.95rem}
.key.go{flex:2.4 1 0;background:var(--pri);color:#fff;box-shadow:0 3px 0 #3730a3;font-size:1.15rem}
.key.go.pressed,.key.go:active{background:#4338ca;box-shadow:0 1px 0 #3730a3}
@media (max-height:700px){.key{height:44px}.answer-box{min-height:52px;font-size:1.6rem}.dq .prompt{display:none}}