*,*:before,*:after{box-sizing:border-box}:root{--bg: #0b0d11;--bg-elevated: #141821;--bg-elevated-2: #1b2130;--text: #f4f7fb;--text-muted: #9aa6b8;--line: rgba(255, 255, 255, .1);--accent: #5eead4;--danger: #fb7185;--shadow: 0 16px 40px rgba(0, 0, 0, .35);--radius: 14px;--font: "Segoe UI", system-ui, sans-serif;color-scheme:dark}html,body,#root{min-height:100%}body{margin:0;font-family:var(--font);background:radial-gradient(circle at top,#182033 0%,var(--bg) 48%);color:var(--text);-webkit-font-smoothing:antialiased}button,input,select{font:inherit;touch-action:manipulation}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}:focus{outline:none}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.app{width:min(1120px,calc(100% - 1.25rem));margin:0 auto;padding:1rem 0 2rem;display:grid;gap:1rem}.topBar,.nowPlaying,.controls,.songCard,.editorDialog,.emptyState,.storageWarning{background:color-mix(in srgb,var(--bg-elevated) 92%,white 8%);border:1px solid var(--line);border-radius:var(--radius)}.topBar{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.1rem}.eyebrow{margin:0;color:var(--accent);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase}h1,h2,p{margin:0}h1{font-size:clamp(1.3rem,3vw,1.8rem);letter-spacing:-.03em}.storageWarning,.emptyState{padding:1rem;color:var(--text-muted)}.storageWarning{border-color:color-mix(in srgb,var(--danger) 50%,transparent);color:#fecdd3}.nowPlaying{position:sticky;top:.6rem;z-index:5;display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:center;padding:1rem 1.1rem;box-shadow:var(--shadow)}.nowPlayingLabel{color:var(--text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}.nowPlayingTitle{font-size:clamp(1.4rem,4vw,2.2rem);letter-spacing:-.04em}.nowPlayingTempo{display:flex;align-items:baseline;gap:.45rem;color:var(--text-muted);margin-top:.2rem}.nowPlayingBpm{color:var(--text);font-size:clamp(2rem,7vw,3.4rem);font-variant-numeric:tabular-nums;letter-spacing:-.05em;line-height:1}.nowPlayingMeter{margin-left:.4rem;padding:.15rem .5rem;border-radius:999px;border:1px solid var(--line)}.beatIndicator{--song-color: var(--accent);width:min(28vw,132px);display:grid;justify-items:center;gap:.55rem}.beatPulse{width:min(22vw,92px);aspect-ratio:1;border-radius:50%;background:color-mix(in srgb,var(--song-color) 22%,#0f141d);border:3px solid color-mix(in srgb,var(--song-color) 55%,white 10%);box-shadow:inset 0 0 0 8px color-mix(in srgb,var(--song-color) 12%,transparent)}.beatPulse.is-on{animation:beat-flash .12s ease-out}.beatPulse.is-on.is-downbeat{animation:downbeat-flash .17s ease-out}.beatDots{display:flex;gap:.28rem;padding:0;margin:0;list-style:none}.beatDot{min-width:1.35rem;height:1.35rem;padding:0 .2rem;display:grid;place-items:center;border-radius:999px;font-size:.72rem;color:var(--text-muted);border:1px solid var(--line)}.beatDot.is-active{color:#061016;background:var(--song-color);border-color:var(--song-color)}.beatDot.is-downbeat{transform:scale(1.08)}.controls{display:grid;gap:.9rem;padding:.9rem}.controlsMain,.controlsExtra,.formActions,.editorHeader,.editorItem,.colorPicker{display:flex;gap:.7rem;align-items:center}.controlsMain{justify-content:center}.controlsExtra,.formActions,.editorHeader{justify-content:space-between;flex-wrap:wrap}.btn{min-height:52px;padding:.7rem 1rem;border-radius:12px;border:1px solid var(--line);background:var(--bg-elevated-2)}.btn--play{min-width:min(100%,220px);min-height:76px;font-size:1.45rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:#10261f;border-color:color-mix(in srgb,var(--accent) 55%,transparent);color:var(--accent)}.btn--play.is-playing{background:#2a1218;border-color:color-mix(in srgb,var(--danger) 60%,transparent);color:#fecdd3}.btn--bpm{min-width:76px;font-size:1.25rem;font-weight:700}.btn--ghost:hover,.btn--tiny:hover,.btn--accent:hover,.btn--play:hover{filter:brightness(1.08)}.btn--accent,.btn.is-pressed{background:color-mix(in srgb,var(--accent) 18%,var(--bg-elevated-2));border-color:color-mix(in srgb,var(--accent) 45%,transparent);color:var(--accent)}.btn--danger{color:#fecdd3;border-color:color-mix(in srgb,var(--danger) 50%,transparent)}.btn--tiny{min-height:42px;padding:.35rem .65rem}.btn--block{width:100%}.volumeControl{display:grid;gap:.3rem;flex:1 1 180px;color:var(--text-muted);font-size:.85rem}.volumeControl input{width:100%;accent-color:var(--accent)}.songGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,168px),1fr));gap:.85rem}.songCard{--song-color: var(--accent);position:relative;min-height:148px;padding:1.1rem 1rem .95rem;display:grid;align-content:end;gap:.2rem;text-align:left;background:color-mix(in srgb,var(--song-color) 16%,#121722);border:2px solid color-mix(in srgb,var(--song-color) 42%,transparent);user-select:none;-webkit-user-select:none}.songCardName{font-size:1.2rem;font-weight:700;line-height:1.2}.songCardBpm{font-size:1.05rem;font-variant-numeric:tabular-nums}.songCardMeter,.songCardShortcut{color:color-mix(in srgb,white 75%,var(--song-color))}.songCardShortcut{position:absolute;top:.7rem;right:.75rem;width:1.7rem;height:1.7rem;display:grid;place-items:center;border-radius:999px;border:1px solid color-mix(in srgb,var(--song-color) 40%,white 10%);font-size:.8rem}.songCard.is-selected{background:color-mix(in srgb,var(--song-color) 34%,#121722);border-color:var(--song-color);box-shadow:0 0 0 3px color-mix(in srgb,var(--song-color) 28%,transparent)}.songCard.is-playing{outline:2px solid color-mix(in srgb,white 50%,var(--song-color))}.editorOverlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:#04060ab8;padding:1rem;display:grid;place-items:center}.editorDialog{width:min(720px,100%);max-height:min(90dvh,860px);overflow:auto;padding:1rem;display:grid;gap:1rem;box-shadow:var(--shadow)}.editorList{list-style:none;margin:0;padding:0;display:grid;gap:.65rem}.editorItem{justify-content:space-between;flex-wrap:wrap;padding:.75rem;border:1px solid var(--line);border-radius:12px;background:var(--bg-elevated-2)}.editorSwatch{width:1rem;height:1rem;border-radius:999px;flex:0 0 auto}.editorItemMeta{display:grid;gap:.15rem;flex:1 1 140px;color:var(--text-muted)}.editorItemMeta strong{color:var(--text)}.editorItemActions,.confirmDelete{display:flex;flex-wrap:wrap;gap:.4rem}.songForm,.field{display:grid;gap:.4rem}.fieldRow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem}.field input,.field select{min-height:48px;padding:.55rem .7rem;border-radius:10px;border:1px solid var(--line);background:#0f141d;color:var(--text)}.fieldError{color:#fecdd3;font-size:.85rem}.checkField{display:flex;align-items:center;gap:.7rem;min-height:48px;font-size:1rem}.checkField input{width:1.25rem;height:1.25rem;accent-color:var(--accent)}.colorPicker input[type=color]{width:52px;height:48px;padding:0;border:0;background:transparent}.colorPresets{display:flex;flex-wrap:wrap;gap:.4rem}.colorSwatch{width:32px;height:32px;border-radius:999px;border:2px solid transparent}.colorSwatch.is-active{border-color:#fff}@keyframes beat-flash{0%{background:color-mix(in srgb,var(--song-color) 78%,white 8%);transform:scale(1.08)}to{background:color-mix(in srgb,var(--song-color) 22%,#0f141d);transform:scale(1)}}@keyframes downbeat-flash{0%{background:#fff;box-shadow:0 0 0 10px color-mix(in srgb,var(--song-color) 45%,transparent);transform:scale(1.16)}to{background:color-mix(in srgb,var(--song-color) 22%,#0f141d);box-shadow:inset 0 0 0 8px color-mix(in srgb,var(--song-color) 12%,transparent);transform:scale(1)}}@media(max-width:720px){.nowPlaying{grid-template-columns:1fr;justify-items:center;text-align:center}.nowPlayingTempo,.controlsMain,.controlsExtra{justify-content:center}.fieldRow{grid-template-columns:1fr}.btn--play{min-width:46vw}}@media(min-width:900px){.songGrid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.songCard{min-height:168px}}@media(prefers-reduced-motion:reduce){.beatPulse.is-on,.beatPulse.is-on.is-downbeat,.beatDot.is-downbeat{animation:none;transform:none}.beatPulse.is-on{background:color-mix(in srgb,var(--song-color) 70%,white 8%)}.btn:hover,.songCard{transition:none}}