:root{--bg: #f5f6f8;--card: #ffffff;--text: #1c2130;--muted: #667085;--accent: #1f2a44;--accent-text: #ffffff;--border: #d9dde5;--error: #b42318;--error-bg: #fef3f2;--install: #1a7f4b;--install-text: #ffffff;--play: #e8590c;--play-text: #ffffff;--hint-bg: #eef4ff;--hint-border: #2f6fed;color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #111318;--card: #1b1e26;--text: #e8eaf0;--muted: #9aa3b5;--accent: #c9d4f2;--accent-text: #111318;--border: #2d3240;--error: #fda29b;--error-bg: #3a1714;--install: #4cc38a;--install-text: #0d1f16;--play: #ff8a3d;--play-text: #1f1206;--hint-bg: #17213a;--hint-border: #7aa2ff}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.app{flex:1 0 auto;width:100%;max-width:1100px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px 48px}.install-banner{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"text close" "action action";align-items:start;gap:10px 4px;margin-bottom:12px;padding:12px 6px 14px 14px;background:color-mix(in srgb,var(--install) 8%,var(--bg));border:1px solid color-mix(in srgb,var(--install) 22%,var(--bg));border-radius:12px}.install-banner[hidden]{display:none}.install-banner p{grid-area:text;margin:0;padding-top:6px;font-size:.9rem}.install-banner .install-action{grid-area:action;justify-self:start;min-height:38px;padding:0 16px;background:var(--install);color:var(--install-text);font-size:.9rem}.install-action{background:var(--accent);color:var(--accent-text);border:0}.install-close{grid-area:close;width:36px;min-height:36px;padding:0;border:0;background:transparent;color:var(--muted)}.install-dialog{width:min(420px,calc(100% - 32px));padding:20px;background:var(--card);color:var(--text);border:1px solid var(--border);border-radius:14px}.install-dialog::backdrop{background:#00000073}.install-dialog h2{margin:0 0 12px;font-size:1.15rem}.install-dialog ol{margin:0 0 16px;padding-left:20px;line-height:1.45}.install-dialog li+li{margin-top:10px}.install-dialog .install-action{width:100%}.share-icon{width:1.2em;height:1.2em;vertical-align:-.2em;fill:none;stroke:#2f6fed;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.app-header h1{font-size:1.5rem;margin:8px 0 4px}.lead{margin:0 0 16px;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:12px}.muted{color:var(--muted);font-size:.9rem;margin:8px 0 0}input[type=file]{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);opacity:0}.file-button,button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:0;border-radius:10px;background:var(--accent);color:var(--accent-text);font:inherit;font-weight:600;cursor:pointer}.file-button{width:100%}button{background:var(--card);color:var(--text);border:1px solid var(--border)}.or{margin:8px 0;text-align:center;color:var(--muted);font-size:.85rem}.record-button{width:100%;gap:10px}.record-dot{width:12px;height:12px;border-radius:50%;background:#e5484d;flex:none}.record-button.recording .record-dot{border-radius:2px;animation:record-pulse 1.2s ease-in-out infinite}@keyframes record-pulse{50%{opacity:.35}}.record-time{text-align:center;font-variant-numeric:tabular-nums}button:disabled,.file-button[aria-disabled=true]{opacity:.5;pointer-events:none}#status-text{margin:0 0 10px;font-weight:600}.progress{height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-bar{height:100%;width:0;background:var(--accent);transition:width .2s}.error{background:var(--error-bg);color:var(--error);border-radius:10px;padding:12px 16px}.summary{font-size:1.1rem;font-weight:600;margin:4px 0 12px}.tempo-hint{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;background:var(--hint-bg);border-left:4px solid var(--hint-border);border-radius:10px;padding:12px 14px;margin-bottom:12px}.tempo-hint[hidden]{display:none}.tempo-hint p{flex:1 1 220px;margin:0}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.options label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted)}.options .wide{grid-column:1 / -1}.options input[type=number],.options select{min-height:40px;padding:0 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:inherit;font-size:16px}.range-hint{display:flex;justify-content:space-between;font-size:.75rem}@media(min-width:720px){.options{grid-template-columns:repeat(4,minmax(0,1fr))}}.actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.actions button{flex:1 1 0}.score{background:#fff;border-radius:12px;overflow:hidden;min-height:200px}.player{position:sticky;bottom:0;display:flex;align-items:center;gap:12px;margin-top:12px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 -4px 16px #00000014}.play-button{width:52px;min-height:52px;padding:0;border-radius:50%;background:var(--play);color:var(--play-text);border:0;font-size:1.3rem;flex:none}.rewind-button{width:44px;padding:0;flex:none}.player-track{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.player-track .muted{margin:0;font-variant-numeric:tabular-nums}.app-footer{padding:0 16px max(16px,env(safe-area-inset-bottom));text-align:center;font-size:.875rem;color:var(--muted)}.app-footer a{color:inherit;text-decoration:underline;text-underline-offset:2px}@media print{body{background:#fff}.app{padding:0;max-width:none}.app>:not(#result),#result>:not(#score),.app-footer{display:none!important}.score{border-radius:0}}