[hidden]{display:none!important}
.yt-mp3-shell{max-width:1160px;margin:0 auto}.yt-hero{max-width:900px}.yt-feature-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.yt-feature-chips span{display:inline-flex;align-items:center;padding:7px 11px;border:1px solid #dbe3ef;border-radius:999px;background:#fff;color:#475467;font-size:13px;font-weight:750}
.yt-workspace{display:grid;gap:20px}.yt-panel{background:#fff;border:1px solid #dfe4ec;border-radius:18px;padding:22px;box-shadow:0 7px 26px rgba(16,24,40,.05)}.runtime-warning{margin-bottom:20px}
.step-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px}.step-heading>span{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:#eaf1ff;color:#2563eb;font-weight:850;flex:0 0 32px}.step-heading h2{font-size:21px;margin:1px 0 4px;color:#172033}.step-heading p{margin:0;color:#667085;font-size:14px;line-height:1.5}
.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.upload-label{font-size:14px;font-weight:800;color:#172033;margin-bottom:8px}.upload-dropzone{position:relative;border:2px dashed #b9cbea;border-radius:16px;background:linear-gradient(180deg,#fbfdff 0%,#f4f8ff 100%);padding:34px 20px;text-align:center;cursor:pointer;transition:.18s ease;outline:none}.upload-dropzone:hover,.upload-dropzone:focus,.upload-dropzone.is-dragover{border-color:#2563eb;background:#eef4ff;box-shadow:0 0 0 4px rgba(37,99,235,.08)}.upload-dropzone-inner{display:grid;gap:7px;justify-items:center}.upload-icon{width:52px;height:52px;border-radius:999px;background:#dbeafe;color:#1d4ed8;display:grid;place-items:center;font-size:23px;font-weight:900}.upload-title{font-weight:850;color:#0f172a;font-size:17px}.upload-note,.chosen-file{font-size:14px;color:#667085}.chosen-file{margin-top:9px}.sr-only-file{position:absolute;inset:0;opacity:0;pointer-events:none;width:100%;height:100%}
.prepare-button{margin-top:16px;min-width:210px}.upload-progress{margin-top:16px}.progress-meta{display:flex;justify-content:space-between;gap:12px;color:#475467;margin-bottom:8px}.progress-bar{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress-bar span{display:block;height:100%;background:#2563eb;border-radius:999px;transition:width .15s ease}
.media-summary-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;margin-bottom:18px}.summary-card{background:#f8fafc;border:1px solid #e6eaf0;border-radius:16px;padding:16px}.summary-card h3{margin:0 0 14px;font-size:18px;color:#172033}.summary-card dl{display:grid;gap:9px;margin:0}.summary-card dl>div{display:grid;grid-template-columns:120px 1fr;gap:8px}.summary-card dt{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:#667085;font-weight:800}.summary-card dd{margin:0;color:#172033;overflow-wrap:anywhere}.cover-preview-wrap{border:1px solid #d7e0ec;border-radius:14px;background:#fff;aspect-ratio:16/9;display:grid;place-items:center;overflow:hidden;margin-bottom:14px}.cover-preview-wrap img{display:block;max-width:100%;max-height:100%;object-fit:contain}
.waveform-card{border:1px solid #dfe5ee;border-radius:16px;background:#fbfcfe;padding:16px}.waveform-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:13px}.waveform-toolbar>div{display:grid;gap:3px}.waveform-label{font-weight:850;color:#172033}.waveform-status{font-size:13px;color:#667085}
.waveform-shell{position:relative;height:180px;border:1px solid #d7e0ec;border-radius:12px;overflow:hidden;background:#f8fafc;touch-action:none;user-select:none}.waveform-shell canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.selection-shade{position:absolute;top:0;bottom:0;background:rgba(15,23,42,.36);pointer-events:none}.selection-shade-left{left:0}.selection-shade-right{right:0}.selection-region{position:absolute;top:0;bottom:0;border-top:2px solid rgba(37,99,235,.55);border-bottom:2px solid rgba(37,99,235,.55);background:rgba(37,99,235,.08);pointer-events:none}
.trim-handle{position:absolute;top:0;bottom:0;width:16px;padding:0;border:0;background:#2563eb;cursor:ew-resize;transform:translateX(-50%);z-index:4;touch-action:none;box-shadow:0 0 0 2px rgba(255,255,255,.8)}.trim-handle::after{content:"";position:absolute;top:50%;left:50%;width:28px;height:54px;border-radius:8px;background:#2563eb;transform:translate(-50%,-50%);box-shadow:0 3px 12px rgba(37,99,235,.28)}.trim-handle span{position:absolute;z-index:2;top:8px;left:50%;transform:translateX(-50%);font-size:9px;font-weight:900;color:#fff;writing-mode:vertical-rl;letter-spacing:.05em}.trim-handle-start{left:0}.trim-handle-end{left:100%}.trim-handle:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}
.timeline-labels{display:flex;justify-content:space-between;margin:7px 2px 0;font-size:12px;color:#667085;font-variant-numeric:tabular-nums}.selection-controls{display:grid;grid-template-columns:1fr minmax(160px,.7fr) 1fr;gap:12px;align-items:end;margin-top:16px}.selection-controls label>span,.selection-duration span{display:block;font-size:12px;color:#667085;font-weight:800;margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.time-input-row{display:flex;align-items:stretch}.time-input-row input{min-width:0;width:100%;padding:10px 11px;border:1px solid #cfd6e2;border-radius:10px 0 0 10px;font:inherit}.time-input-row em{display:grid;place-items:center;padding:0 10px;border:1px solid #cfd6e2;border-left:0;border-radius:0 10px 10px 0;background:#eef2f6;color:#667085;font-style:normal;font-size:12px}.selection-duration{background:#eef4ff;border:1px solid #d5e3ff;border-radius:11px;padding:10px 12px;text-align:center}.selection-duration strong{font-size:18px;color:#1d4ed8;font-variant-numeric:tabular-nums}
.source-player-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;margin-top:16px}.source-player-row audio{width:100%;min-width:0}.source-player-row .button{white-space:nowrap}
.options-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:start}.field label{display:block;font-weight:750;margin-bottom:7px}.field select{width:100%;padding:11px;border:1px solid #cfd6e2;border-radius:10px;background:#fff;font:inherit}.quality-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.quality-buttons button{appearance:none;border:1px solid #cfd6e2;border-radius:10px;background:#fff;color:#172033;padding:11px 10px;font:inherit;font-weight:750;cursor:pointer}.quality-buttons button:hover{background:#f8fafc}.quality-buttons button.is-active{background:#eef4ff;color:#1d4ed8;border-color:#7ba4ee;box-shadow:0 0 0 2px rgba(37,99,235,.08)}.quality-note{margin:8px 0 0;color:#667085;font-size:13px}.convert-button{margin-top:18px;min-width:210px}
.conversion-progress{display:flex;align-items:center;gap:12px;margin-top:18px;padding:14px;border-radius:12px;background:#f8fafc;border:1px solid #e5eaf1}.conversion-progress>div:last-child{display:grid;gap:2px}.conversion-progress span{font-size:14px;color:#667085}.spinner{width:22px;height:22px;border:3px solid #d0d5dd;border-top-color:#2563eb;border-radius:50%;animation:ytmp3-spin .7s linear infinite}@keyframes ytmp3-spin{to{transform:rotate(360deg)}}
.result-video-card{background:#f8fafc;border:1px solid #e4e9f0;border-radius:13px;padding:15px}.result-video-card video{display:block;width:100%;max-height:480px;border-radius:10px;background:#000}.result-info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 0}.result-info-grid>div{background:#f8fafc;border:1px solid #e6eaf0;border-radius:10px;padding:11px 12px}.result-info-grid dt{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#667085;font-weight:800}.result-info-grid dd{margin:4px 0 0;color:#172033;font-weight:750}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.global-error{margin:0}.module-meta{display:grid;grid-template-columns:180px 1fr;gap:12px 18px}.module-meta dt{font-weight:750}.module-meta dd{margin:0;color:#475467}
@media(max-width:980px){.upload-grid,.media-summary-grid,.options-grid{grid-template-columns:1fr}.result-info-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.yt-panel{padding:17px}.waveform-toolbar{align-items:flex-start;flex-direction:column}.waveform-toolbar .button{width:100%}.waveform-shell{height:150px}.selection-controls,.result-info-grid{grid-template-columns:1fr}.source-player-row{grid-template-columns:1fr}.source-player-row .button,.prepare-button,.convert-button{width:100%}.quality-buttons{grid-template-columns:1fr}.result-actions{flex-direction:column}.summary-card dl>div{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.yt-mp3-shell *{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}