:root{--bg: #16181d;--bg-raised: #1d2027;--bg-input: #24272f;--border: #2c303a;--border-strong: #3a3f4b;--text: #e6e8ec;--muted: #8b93a3;--accent: #7aa2f7;--accent-strong: #5b87f0;--danger: #f7768e;--good: #9ece6a;--radius: 10px;--shadow: 0 8px 28px rgba(0, 0, 0, .35);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.muted{color:var(--muted)}.small{font-size:12px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border-strong);background:var(--bg-input);color:var(--text);padding:7px 13px;border-radius:8px;cursor:pointer;font-size:13px;transition:background .12s,border-color .12s,transform .05s}.btn:hover:not(:disabled){background:#2b2f39;border-color:#495063}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{background:var(--accent-strong);border-color:var(--accent-strong);color:#0c1020;font-weight:600}.btn.primary:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}.play-btn{display:inline-flex;align-items:center;justify-content:center;min-width:46px}.icon-svg{display:inline-block;vertical-align:-.14em;flex:0 0 auto}.btn .icon-svg{margin-right:1px}.btn.small{padding:4px 9px;font-size:12px}.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn.ghost:hover:not(:disabled){background:var(--bg-input);color:var(--text)}.link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:12px;padding:2px 4px}.link:hover{text-decoration:underline}.chip{border:1px solid var(--border-strong);background:var(--bg-input);color:var(--text);border-radius:999px;padding:3px 10px;font-size:12px;cursor:pointer}.chip.active{background:var(--accent-strong);border-color:var(--accent-strong);color:#0c1020;font-weight:600}.dropzone{position:relative;min-height:100%}.dropzone.dragging{outline:2px dashed var(--accent);outline-offset:-10px}.dropzone-veil{position:fixed;top:0;right:0;bottom:0;left:0;background:#5b87f01f;display:grid;place-items:center;font-size:22px;font-weight:600;color:var(--accent);pointer-events:none;z-index:50}.app{max-width:1180px;margin:0 auto;padding:18px 22px 40px}.topbar{display:flex;align-items:center;gap:18px;padding-bottom:16px;border-bottom:1px solid var(--border);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px}.logo{font-size:26px;color:var(--accent);transform:rotate(90deg);line-height:1}.brand h1{font-size:18px;margin:0;letter-spacing:.3px}.brand p{margin:0}.song-info{flex:1;min-width:160px;display:flex;flex-direction:column;align-items:flex-start;gap:1px}.song-name{font-weight:600;max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-actions{display:flex;gap:8px;flex-wrap:wrap}.player-stage{display:flex;flex-direction:column;gap:14px;margin-top:20px}.workbench{display:grid;grid-template-columns:1fr 360px;gap:22px;margin-top:18px}.controls{display:flex;flex-direction:column;gap:16px}@media (max-width: 900px){.workbench{grid-template-columns:1fr}}.waveform-wrap{position:relative;background:linear-gradient(180deg,#1f232b,var(--bg-raised));border:1px solid var(--border-strong);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.waveform{height:160px}.waveform-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;border-radius:var(--radius);z-index:6}.player-overlay{position:absolute;top:12px;right:12px;display:flex;align-items:center;gap:8px;z-index:3}.focus-btn{display:inline-flex;align-items:center;gap:4px;background:#7aa2f7eb;color:#0c1020;border:1px solid var(--accent);border-radius:8px;padding:4px 9px;font-size:12px;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.focus-btn:hover{background:var(--accent)}.zoom-overlay{display:flex;align-items:center;gap:6px;background:#14171ec7;border:1px solid var(--border-strong);border-radius:8px;padding:3px 6px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.zoom-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--text);cursor:pointer;font-size:16px;width:22px;height:22px;border-radius:5px;line-height:1}.zoom-btn:hover:not(:disabled){background:#30353f}.zoom-btn:disabled{opacity:.35;cursor:not-allowed}.zoom-overlay .zoom-level{font-size:12px;color:var(--muted);min-width:34px}.countdown-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:none;z-index:4}.countdown-num{font-size:96px;font-weight:700;line-height:1;color:var(--accent);text-shadow:0 2px 24px rgba(0,0,0,.6);animation:countdown-pop .18s ease-out}@keyframes countdown-pop{0%{transform:scale(1.5);opacity:.35}to{transform:scale(1);opacity:1}}.waveform-empty-inner{text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center}.waveform-empty .big{font-size:20px;margin:0;font-weight:600}.waveform-empty p{margin:0}.transport{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;flex-wrap:wrap}.transport-buttons{display:flex;align-items:center;gap:8px}.transport-readout{display:flex;align-items:center;gap:14px}.time{font-variant-numeric:tabular-nums;font-size:15px}.mode-badge{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--bg-input);border:1px solid var(--border-strong);white-space:nowrap}.mode-badge.mode-LOOP_SINGLE{color:var(--good);border-color:#9ece6a80}.mode-badge.mode-SEQUENCE,.mode-badge.mode-SEQUENCE_LOOP{color:var(--accent);border-color:#7aa2f780}button.mode-trigger{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:12px;cursor:pointer;transition:border-color .12s ease,background .12s ease}button.mode-trigger:hover,button.mode-trigger[data-state=open]{background:var(--bg-input);border-color:var(--accent)}button.mode-trigger:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.mode-caret{opacity:.65;transition:transform .12s ease}button.mode-trigger[data-state=open] .mode-caret{transform:rotate(180deg)}.mode-menu{min-width:200px;max-height:min(60vh,420px);overflow-y:auto;padding:5px;background:var(--bg-raised);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow);z-index:50}.mode-menu-item{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:7px;font-size:13px;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none;outline:none}.mode-menu-item[data-highlighted]{background:var(--bg-input)}.mode-menu-item[data-state=checked]{color:var(--good)}.mode-menu-hint{padding:4px 9px 6px;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.mode-menu-check{display:inline-flex;width:14px;flex:none;color:var(--good)}.mode-menu-dot{width:10px;height:10px;flex:none;border-radius:3px}.mode-menu-dot--full{background:var(--muted)}.mode-menu-num{color:var(--muted);font-variant-numeric:tabular-nums}.mode-menu-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mode-menu-sep{height:1px;margin:5px 4px;background:var(--border)}.export-trigger{display:inline-flex;align-items:center;gap:6px}.export-trigger[data-state=open]{border-color:var(--accent)}.export-trigger[data-state=open] .mode-caret{transform:rotate(180deg)}.export-menu{min-width:190px}.export-menu-item{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:8px 10px;border-radius:7px;font-size:13px;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none;outline:none}.export-menu-item[data-highlighted]{background:var(--bg-input)}.toolbar,.beatbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px}.tb-group{display:flex;align-items:center;gap:6px}.tb-divider{width:1px;align-self:stretch;background:var(--border);margin:2px}.tb-spacer{flex:1}.tb-label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-right:2px}.total,.tabnum{font-variant-numeric:tabular-nums}.zoom-level{min-width:30px;text-align:center;font-variant-numeric:tabular-nums}.bpm-input{width:64px;background:var(--bg);border:1px solid var(--border-strong);color:var(--text);border-radius:6px;padding:4px 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16px;display:flex;flex-direction:column;gap:10px}.seek{width:100%;accent-color:var(--accent)}.caret-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.caret-label{margin-right:4px;text-transform:uppercase;letter-spacing:.5px}.caret-time{width:78px;text-align:center;background:var(--bg);border:1px solid var(--border-strong);color:var(--text);border-radius:6px;padding:4px 6px;font-variant-numeric:tabular-nums;font-size:13px}.caret-time:focus{border-color:var(--accent);outline:none}.part-controls{display:flex;flex-direction:column;gap:8px;margin:6px 0 10px;padding-bottom:12px;border-bottom:1px solid var(--border)}.part-controls-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.part-name-input{width:100%;background:var(--bg);border:1px solid var(--border-strong);color:var(--text);border-radius:8px;padding:7px 10px;font-size:13px}.part-name-input:focus{border-color:var(--accent);outline:none}.part-controls.active .part-name-input{border-color:#f7768e80}.new-part-btn{flex:1;min-width:110px}.loop-btn{display:inline-flex;align-items:center;gap:5px;max-width:160px}.loop-btn.on{background:#9ece6a29;border-color:#9ece6a99;color:var(--good)}.loop-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:120px;opacity:.85}.part-controls-hint{font-size:12px;font-variant-numeric:tabular-nums}.part-controls-hint b{color:var(--text)}.part-controls.active .part-controls-hint b{color:var(--danger)}.tempo{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;display:flex;flex-direction:column;gap:10px}.tempo-head{display:flex;justify-content:space-between;align-items:baseline}.tempo-head label{font-weight:600}.tempo-value{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:600}.tempo input[type=range]{width:100%;accent-color:var(--accent)}.tempo-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.tempo-presets{display:flex;gap:6px}.check{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);cursor:pointer}.check input{accent-color:var(--accent)}.sidebar{display:flex;flex-direction:column;gap:18px}.partlist,.recent{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.partlist-head,.recent h2{display:flex;align-items:center;justify-content:space-between}.partlist-head h2,.recent h2{font-size:15px;margin:0 0 4px}.select-tools{display:flex;gap:4px}.hint{color:var(--muted);font-size:13px;margin:8px 0 2px}.hint b{color:var(--text)}.part-items{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.part-item{position:relative;display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:8px;padding:7px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg-input)}.part-item.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.part-item.selected{background:#262b38}.part-item.editing{border-color:#e0af68b3;box-shadow:0 0 0 1px #e0af6880 inset}.part-check{accent-color:var(--accent)}.part-dot{width:16px;height:16px;border-radius:5px;border:1px solid var(--border-strong);cursor:pointer;padding:0}.part-main{min-width:0;display:flex;flex-direction:column;gap:1px}.part-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:text}.part-num{color:var(--muted)}.part-rename{width:100%;background:var(--bg);border:1px solid var(--accent);color:var(--text);border-radius:6px;padding:2px 6px;font-size:13px}.part-time{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}.part-actions{grid-column:1 / -1;display:flex;gap:2px;padding-top:8px;border-top:1px solid var(--border)}.icon{display:inline-flex;align-items:center;justify-content:center;background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;width:24px;height:24px;border-radius:6px}.icon:hover{background:#30353f;color:var(--text)}.icon.on{color:var(--good)}.icon.editing{color:var(--gold, #e0af68);background:#e0af6829}.icon.danger:hover{color:var(--danger)}.color-pop{grid-column:1 / -1;display:flex;gap:6px;padding:6px 2px 2px;flex-wrap:wrap}.swatch{width:22px;height:22px;border-radius:6px;border:1px solid var(--border-strong);cursor:pointer;padding:0}.swatch:hover{outline:2px solid var(--accent)}.sequence-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.recent ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}.recent li{display:flex;align-items:center;gap:6px}.recent li.current .recent-name{color:var(--accent)}.recent-open{flex:1;display:flex;justify-content:space-between;align-items:center;gap:10px;background:none;border:none;color:var(--text);cursor:pointer;padding:6px 8px;border-radius:6px;text-align:left}.recent-open:hover{background:var(--bg-input)}.recent-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%);background:var(--bg-input);border:1px solid var(--border-strong);color:var(--text);padding:10px 18px;border-radius:999px;box-shadow:var(--shadow);z-index:60;max-width:90vw}