:root{color-scheme:light dark;--bg: #f5f4fa;--surface: #ffffff;--surface-2: #f0eef8;--border: #e3e1ee;--text: #17162a;--muted: #6c6a82;--accent: #5b3df5;--accent-hover: #4a2ee0;--accent-soft: #ece8ff;--accent-ink: #3b2bb0;--on-accent: #ffffff;--wave: #a99cf7;--wave-dim: rgba(245, 244, 250, .72);--cue-bg: #fff3cf;--cue-border: #e6b800;--cue-ink: #4a3b00;--good-bg: #e8f6ec;--good-border: #a9d9b6;--good-ink: #17632f;--bad-bg: #fdecea;--bad-border: #f2b8b2;--bad-ink: #a52a20;--warn-bg: #fff6dc;--warn-border: #f0d78c;--warn-ink: #6b5200;--shadow: 0 1px 2px rgba(23, 22, 42, .05), 0 8px 24px rgba(23, 22, 42, .06);--radius: 14px;--radius-sm: 9px;--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--playhead: #e8403a}@media (prefers-color-scheme: dark){:root{--bg: #0f0e1b;--surface: #181729;--surface-2: #22203a;--border: #2d2b48;--text: #ecebf8;--muted: #9f9dbb;--accent: #7b62ff;--accent-hover: #8f7bff;--accent-soft: #29254f;--accent-ink: #c9c0ff;--wave: #6f5ee0;--wave-dim: rgba(15, 14, 27, .7);--cue-bg: #3a3112;--cue-border: #b8932a;--cue-ink: #ffe9a0;--good-bg: #12301d;--good-border: #2c6a43;--good-ink: #8fe0a9;--bad-bg: #3a1714;--bad-border: #7c332c;--bad-ink: #ffb0a8;--warn-bg: #352b0e;--warn-border: #6e5a1a;--warn-ink: #f4d98a;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .35);--playhead: #ff6b64}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5;-webkit-font-smoothing:antialiased}main{max-width:1040px;margin:0 auto;padding:28px 20px 72px}h1,h2,h3,p{margin:0}h2{font-size:1.35rem;letter-spacing:-.01em;line-height:1.25}h3{font-size:1rem}a{color:var(--accent)}code{background:var(--surface-2);padding:1px 6px;border-radius:5px;font-size:.9em}small{font-size:.82rem}.muted{color:var(--muted);font-size:.88rem}.center{text-align:center}:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:2px}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.brand{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:800;letter-spacing:-.02em}.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(145deg,var(--accent),#8e5cff);display:grid;place-items:center;box-shadow:0 4px 14px color-mix(in srgb,var(--accent) 45%,transparent)}.brand-tag{font-weight:500;font-size:.85rem;color:var(--muted);margin-left:4px}.stepper{display:flex;list-style:none;padding:0;margin:0 0 22px;gap:0}.stepper li{flex:1;position:relative}.stepper li+li:before{content:"";position:absolute;top:16px;right:50%;width:100%;height:2px;background:var(--border);z-index:0}.stepper li.done+li:before,.stepper li.current:before{background:var(--accent)}.stepper li button{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;padding:0;background:none;color:var(--muted);font-size:.78rem;font-weight:600;border-radius:8px}.stepper li button span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:2px solid var(--border);color:var(--muted);font-size:.85rem;font-weight:700;transition:all .15s}.stepper li.done button{color:var(--text);cursor:pointer}.stepper li.done button span{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.stepper li.current button{color:var(--accent-ink)}.stepper li.current button span{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 22%,transparent)}.stepper li button:not(:disabled):hover span{border-color:var(--accent)}.stepper li button:disabled{opacity:.55;cursor:default}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-top:16px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow)}.card-head{display:flex;flex-direction:column;gap:4px}.card-head .muted{font-size:.95rem}.actions{display:flex;justify-content:flex-end;align-items:center;gap:12px;flex-wrap:wrap;padding-top:4px}.row{display:flex;gap:16px;flex-wrap:wrap}.row>label{flex:1;min-width:200px}.row-buttons{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.section{border-top:1px solid var(--border);padding-top:16px;display:flex;flex-direction:column;gap:12px}.section-title{font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.92rem}label.radio{flex-direction:row;align-items:center;gap:8px;font-weight:500}label.radio.inline{display:inline-flex}input[type=url],input[type=text],input[type=number],select{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font:inherit;font-weight:400;transition:border-color .15s,box-shadow .15s}input::placeholder{color:color-mix(in srgb,var(--muted) 80%,transparent)}input:hover:not(:disabled),select:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}input:focus-visible,select:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 20%,transparent)}input:disabled{opacity:.5;background:var(--surface-2)}input[type=checkbox]{width:17px;height:17px;accent-color:var(--accent);margin:0}input[type=range]{accent-color:var(--accent)}details{border-radius:var(--radius-sm)}details>summary{cursor:pointer;font-weight:600;font-size:.92rem;color:var(--accent-ink);padding:4px 0;list-style-position:inside}details[open]>summary{margin-bottom:10px}button{font:inherit;font-weight:650;font-size:.95rem;padding:11px 20px;border:0;border-radius:var(--radius-sm);background:var(--accent);color:var(--on-accent);cursor:pointer;transition:background .15s,transform .05s,box-shadow .15s}button:hover:not(:disabled){background:var(--accent-hover)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--accent-soft);color:var(--accent-ink)}button.secondary:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 22%,var(--accent-soft))}button.link{background:none;padding:0;color:var(--accent);text-decoration:underline;font-weight:600}button.link:hover:not(:disabled){background:none;color:var(--accent-hover)}button.small{padding:8px 14px;font-size:.88rem}a.button{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:var(--radius-sm);background:var(--accent);color:var(--on-accent);font-weight:650;text-decoration:none}a.button:hover{background:var(--accent-hover)}button[aria-pressed=false]{background:var(--surface-2);color:var(--muted)}.error,.warning,.success{border-radius:var(--radius-sm);padding:12px 14px;border:1px solid;font-size:.93rem}.error{background:var(--bad-bg);border-color:var(--bad-border);color:var(--bad-ink);display:flex;flex-direction:column;gap:3px}.warning{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-ink)}.success{background:var(--good-bg);border-color:var(--good-border);color:var(--good-ink)}.hero{display:flex;flex-direction:column;align-items:center;gap:8px;padding:6px 0 4px;text-align:center}.hero h2{font-size:1.7rem}.hero p{color:var(--muted);max-width:56ch;margin-left:auto;margin-right:auto}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.divider{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.dropzone{position:relative;display:flex;flex-direction:row;align-items:center;gap:16px;padding:22px;border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface-2);cursor:pointer;transition:border-color .15s,background .15s;font-weight:500}.dropzone:hover:not(.disabled),.dropzone.over{border-color:var(--accent);background:var(--accent-soft)}.dropzone.has-file{border-style:solid;border-color:color-mix(in srgb,var(--accent) 50%,var(--border));background:var(--accent-soft)}.dropzone.disabled{opacity:.5;cursor:not-allowed}.dropzone input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:inherit}.dropzone-icon{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--surface);color:var(--accent)}.dropzone-text{display:flex;flex-direction:column;gap:2px;min-width:0}.dropzone-text strong{font-size:1rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropzone-text span{color:var(--muted);font-size:.85rem;font-weight:400}.track-summary{display:flex;gap:14px;align-items:center;padding:12px;border-radius:var(--radius-sm);background:var(--surface-2)}.track-summary img{border-radius:8px;object-fit:cover;width:72px;height:72px;flex:none}.track-summary strong{display:block;line-height:1.3}.track-meta{display:flex;flex-direction:column;gap:1px;min-width:0}.source-badge{align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent-ink);margin-bottom:3px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin:0}.stats>div{background:var(--surface-2);border-radius:var(--radius-sm);padding:10px 14px}.stats dt{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.stats dd{margin:2px 0 0;font-size:1.35rem;font-weight:750;letter-spacing:-.01em}.wave-readout{display:flex;gap:12px;align-items:center;margin-bottom:8px}.wave-readout strong{font-variant-numeric:tabular-nums;font-size:1.05rem}.range-line{flex:1;height:2px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 30%,transparent));border-radius:2px}.wave{position:relative;height:140px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none;cursor:pointer}.wave svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.wave-bars{fill:var(--wave)}.wave-beats i{position:absolute;top:0;bottom:0;width:1px;background:color-mix(in srgb,var(--text) 8%,transparent)}.wave-suggested{position:absolute;top:0;height:5px;background:#f5a623}.wave-dim{position:absolute;top:0;bottom:0;background:var(--wave-dim)}.wave-selection{position:absolute;top:0;bottom:0;border-top:3px solid var(--accent);border-bottom:3px solid var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);cursor:grab}.wave.dragging .wave-selection{cursor:grabbing}.wave-handle{z-index:4;position:absolute;top:0;bottom:0;width:12px;background:var(--accent);cursor:ew-resize;outline:none;display:grid;place-items:center}.wave-handle:after{content:"";width:2px;height:22px;border-radius:2px;background:#ffffffd9}.wave-handle.start{left:-1px;border-radius:6px 0 0 6px}.wave-handle.end{right:-1px;border-radius:0 6px 6px 0}.wave-handle:focus-visible{box-shadow:0 0 0 3px #f5a623}.wave-playhead{position:absolute;top:0;bottom:0;width:12px;margin-left:-6px;cursor:ew-resize;touch-action:none;z-index:3;outline:none}.wave-playhead:before{content:"";position:absolute;top:0;bottom:0;left:5px;width:2px;background:var(--playhead)}.wave-playhead:hover:before,.wave.seeking .wave-playhead:before{left:4.5px;width:3px}.wave-playhead:focus-visible:before{box-shadow:0 0 0 3px #f5a623}.wave.seeking{cursor:ew-resize}.wave-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}.wave-toolbar button{min-width:38px}.wave-hint{margin-left:auto;font-variant-numeric:tabular-nums}.ruler{position:relative;height:26px;margin-bottom:4px;font-size:.72rem;color:var(--muted);font-variant-numeric:tabular-nums;cursor:ew-resize;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:6px;background:var(--surface-2);overflow:hidden}.ruler span{position:absolute;top:3px;transform:translate(-50%);white-space:nowrap;padding-left:0;pointer-events:none}.ruler span:after{content:"";position:absolute;top:16px;left:50%;width:1px;height:7px;background:var(--border)}.ruler span:first-child{transform:translate(2px)}.ruler-knob{position:absolute;bottom:0;width:14px;height:14px;margin-left:-7px;background:var(--playhead);clip-path:polygon(0 0,100% 0,50% 100%);pointer-events:none}.pan{width:100%;height:6px;margin:6px 0 0;cursor:pointer}.segment-summary{background:var(--accent-soft);color:var(--text);border-radius:var(--radius-sm);padding:12px 14px;font-size:.93rem}.segment-summary strong{color:var(--accent-ink)}.style-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.style-card{position:relative;border:2px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;cursor:pointer;background:var(--surface);font-weight:400;transition:border-color .15s,background .15s,transform .1s}.style-card:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--border));transform:translateY(-1px)}.style-card input{position:absolute;opacity:0;pointer-events:none}.style-card.selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 16%,transparent)}.style-card strong{font-size:1.1rem}.style-card>span{color:var(--muted);font-size:.9rem}.style-card .estimate{color:var(--accent-ink);font-weight:750;font-size:1.02rem}.rhythm{display:flex;align-items:flex-end;gap:2px;height:30px;margin:6px 0 2px}.rhythm i{flex:1;min-width:1px;background:var(--accent);border-radius:2px;opacity:.85}.rhythm i:nth-child(odd){opacity:.55}.preview-body{display:flex;gap:28px;align-items:center;flex-wrap:wrap}.preview-controls{flex:1;min-width:260px;display:flex;flex-direction:column;gap:14px}.scrubber{width:100%;height:6px;cursor:pointer}.now-playing{display:flex;align-items:baseline;gap:10px;font-variant-numeric:tabular-nums}.now-playing strong{font-size:1.6rem;letter-spacing:-.02em}.phone{position:relative;aspect-ratio:9 / 16;border-radius:28px;overflow:hidden;background:#111;box-shadow:0 0 0 7px #26242f,0 0 0 8px #3b3947,0 18px 40px #00000059;flex:none;margin:8px}.phone-slot{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#fff}.phone-slot.even{background:linear-gradient(160deg,#5b3df5,#3a27b0)}.phone-slot.odd{background:linear-gradient(160deg,#7d63f7,#5a43d1)}.phone-slot.cut:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#fff;opacity:0;animation:cut-flash .22s ease-out;pointer-events:none}@keyframes cut-flash{0%{opacity:.55}to{opacity:0}}.phone-label{font-size:1.5rem;font-weight:800;letter-spacing:.04em}.phone-meta{font-size:.8rem;opacity:.85}.phone-progress{position:absolute;left:0;bottom:0;height:4px;background:#ffffffd9}.phone-lyrics{position:absolute;left:50%;transform:translate(-50%,-50%);width:90%;font-size:17px;font-weight:700;line-height:1.2;white-space:pre-line;paint-order:stroke fill;pointer-events:none}.timeline{position:relative}.timeline-axis{display:flex;justify-content:space-between;margin-left:62px;font-size:.75rem;color:var(--muted);font-variant-numeric:tabular-nums;margin-bottom:6px}.track-label{font-size:.7rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:10px 0 5px}.lanes{display:grid;grid-template-columns:52px 1fr;gap:10px}.lane-labels{display:flex;flex-direction:column;gap:10px}.lane-labels span{display:flex;align-items:center;font-size:.7rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}.lane-bars{position:relative;display:flex;flex-direction:column;gap:10px}.timeline-slots{position:relative;height:54px;border-radius:8px;overflow:hidden;background:var(--surface-2)}.slot{position:absolute;top:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.7rem;overflow:hidden;color:#fff;border-right:2px solid var(--surface);cursor:pointer;transition:filter .1s}.slot:hover{filter:brightness(1.15)}.slot.even{background:#5b3df5}.slot.odd{background:#7d63f7}.slot strong{font-size:.78rem}.slot.active{box-shadow:inset 0 0 0 3px #fff}.lyrics-track{position:relative;height:40px;border-radius:8px;background:var(--surface-2)}.cue{position:absolute;top:3px;bottom:3px;padding:0 7px;background:var(--cue-bg);color:var(--cue-ink);border:1px solid var(--cue-border);border-radius:6px;font-size:.72rem;font-weight:600;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cue:hover:not(:disabled){background:var(--cue-bg);filter:brightness(1.08)}.cue.selected{outline:2px solid var(--text);outline-offset:0}.lyrics-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:.85rem;color:var(--muted)}.timeline-playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--playhead);pointer-events:none;z-index:2}.timeline-playhead:before{content:"";position:absolute;top:-4px;left:-4px;width:10px;height:10px;border-radius:50%;background:var(--playhead)}.cue-detail{margin:0;padding:14px 18px;background:#14131f;border-radius:var(--radius-sm);color:#fff}.cue-text{white-space:pre-line;font-style:italic;font-weight:650;text-align:center;margin-bottom:6px;font-size:1.05rem}.cue-detail small{color:#b9b6d3}.lyrics-action{display:flex;flex-direction:column;gap:12px}.lyrics-options{background:var(--surface-2);padding:12px 14px}.slot-table{width:100%;border-collapse:collapse;font-size:.9rem;font-variant-numeric:tabular-nums}.slot-table th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);padding:6px 10px}.slot-table td{padding:6px 10px;border-top:1px solid var(--border)}.done-badge{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--good-bg);color:var(--good-ink);border:1px solid var(--good-border);flex:none}.export-head{display:flex;align-items:center;gap:14px}.steps-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;counter-reset:s}.steps-list li{counter-increment:s;display:flex;gap:12px;align-items:flex-start;font-size:.95rem}.steps-list li:before{content:counter(s);flex:none;width:24px;height:24px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center;font-size:.78rem;font-weight:700;margin-top:1px}.note{display:flex;gap:10px;padding:12px 14px;border-radius:var(--radius-sm);background:var(--surface-2);color:var(--muted);font-size:.9rem}@media (max-width: 720px){main{padding:18px 14px 56px}.card{padding:18px}.style-cards{grid-template-columns:1fr}.stepper li button{font-size:0;gap:0}.stepper li.current button{font-size:.78rem;gap:6px}.preview-body{justify-content:center}.brand-tag{display:none}.hero h2{font-size:1.4rem}}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}a.button.secondary-link{background:var(--accent-soft);color:var(--accent-ink)}a.button.secondary-link:hover{background:color-mix(in srgb,var(--accent) 22%,var(--accent-soft))}.length-input{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.length-input label{flex-direction:row}.length-field{display:flex;align-items:center;gap:8px}.length-field input{width:90px;text-align:right;font-variant-numeric:tabular-nums}.length-msg{color:var(--warn-ink);font-weight:600}.wave.magnet-start 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