:root{color:#17191d;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--ink:#17191d;--muted:#6c727c;--line:#dfe2e7;--soft-line:#eaecf0;--panel:#fff;--accent:#f05a35;--accent-dark:#d94724;--green:#11796c;--green-soft:#e9f6f2;--red:#c34033;--red-soft:#fff1ee;background:#f3f4f6;font-family:Inter,SF Pro Display,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{background:#f3f4f6;min-width:320px;min-height:100%}body{background:linear-gradient(90deg,#17191d06 1px,#0000 1px) 0 0/32px 32px,linear-gradient(#17191d06 1px,#0000 1px) 0 0/32px 32px,#f3f4f6;min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{color:inherit}button:focus-visible,[role=button]:focus-visible{outline-offset:2px;outline:3px solid #f05a3547}.app-shell{min-height:100vh}.topbar{justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);height:82px;margin:0 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#e1e4e8;border-radius:8px;margin-top:18px;padding:16px}.remote-progress-head,.remote-progress-foot{justify-content:space-between;align-items:center;gap:14px;display:flex}.remote-progress-head>span{color:#6c737c;align-items:center;gap:8px;font-size:11px;display:inline-flex}.remote-progress-head>span:first-child{color:var(--ink)}.remote-progress-head svg{color:var(--accent)}.remote-progress-head strong{font-size:12px}.progress-track.remote{width:100%;height:6px;margin-top:13px}.remote-progress-foot{color:#8a9098;margin-top:11px;font-size:10px}.remote-progress-foot button{color:#6d737c;cursor:pointer;background:#fff;border:1px solid #d9dde2;border-radius:4px;align-items:center;gap:4px;padding:4px 7px;font-size:10px;display:inline-flex}.remote-progress-foot button:hover{color:var(--red);border-color:#ecc9c3}.remote-result{background:var(--green-soft);border:1px solid #cfe9e2;border-radius:8px;grid-template-columns:auto minmax(0,1fr) 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small{color:#7a8089;font-size:10.5px;line-height:1.55}footer{color:#8a9098;justify-content:space-between;width:min(1180px,100% - 40px);margin:0 auto;padding:18px 0 28px;font-size:10.5px;display:flex}.toast{z-index:20;color:#fff;background:#202329;border:1px solid #ffffff1f;border-radius:7px;align-items:center;gap:8px;max-width:min(390px,100vw - 44px);padding:13px 15px;font-size:12px;animation:.18s ease-out both toast-in;display:flex;position:fixed;bottom:22px;right:22px;box-shadow:0 16px 40px #1214183b}.toast svg{color:#74d7c8}.spin{animation:.8s linear infinite spin}@keyframes pulse-bar{0%{transform:scaleY(.5)}to{transform:scaleY(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes skeleton-pulse{0%{opacity:.58}to{opacity:1}}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (width<=920px){.intro{grid-template-columns:1fr;gap:16px;padding-top:28px}.quality-visual{justify-self:stretch;width:100%;height:130px}.vinyl{border-width:6px;width:122px;height:122px;top:0;right:24px}.vinyl-label{border-width:3px;width:48px;height:48px}.vinyl-label svg{width:17px}.vinyl-ring-one{inset:20px}.vinyl-ring-two{inset:35px}.equalizer{justify-content:flex-start;width:min(100%,470px);height:66px;right:auto}.equalizer span{max-height:44px}.settings-row{grid-template-columns:190px minmax(0,1fr)}.url-form{grid-template-columns:minmax(0,1fr) 102px}}@media (width<=720px){.topbar,main,footer{width:min(100% - 24px,1180px)}.topbar{height:70px}.privacy-pill span{display:none}.privacy-pill{justify-content:center;width:36px;height:36px;padding:0}.intro{min-height:auto;padding:26px 4px 28px}.intro h1{font-size:clamp(37px,12vw,52px)}.intro p{font-size:13px}.quality-visual{display:none}.tool-header{flex-direction:column;align-items:flex-start;gap:13px;padding:18px}.tool-header p{margin-left:0}.tool-stats{gap:14px}.settings-row{grid-template-columns:1fr;gap:20px;padding:18px}.source-switch{padding:8px 16px 0}.segmented-control{grid-template-columns:1fr}.segmented-control button{justify-content:space-between;padding:10px 13px}.dropzone{text-align:center;grid-template-columns:1fr;justify-items:center;gap:12px;min-height:210px;margin:16px 16px 0;padding:22px 18px}.dropzone-icon{width:52px;height:52px}.dropzone>button{width:100%;max-width:250px}.queue-area,.web-extractor{padding:18px 16px}.url-form{grid-template-columns:1fr}.inspect-button{width:100%}.video-preview{grid-template-columns:104px minmax(0,1fr) auto;gap:11px}.video-thumbnail{width:104px}.video-copy>strong{font-size:13px}.video-source{display:none}.extract-action-row{flex-direction:column;align-items:stretch}.extract-action-row .primary-button{width:100%}.remote-progress-foot{flex-direction:column;align-items:flex-start}.remote-result{grid-template-columns:auto minmax(0,1fr)}.remote-result .primary-button{grid-column:1/-1;width:100%}.task-row{grid-template-columns:auto minmax(0,1fr);gap:11px;padding:15px 2px}.task-status{flex-wrap:wrap;grid-column:2;justify-content:flex-start;min-width:0;margin-top:2px}.task-title-line strong{max-width:calc(100vw - 112px)}.queue-footer{flex-direction:column;align-items:stretch}.primary-actions{flex-direction:column-reverse;align-items:stretch}.primary-button,.secondary-button{width:100%}.privacy-strip{grid-template-columns:1fr}footer{flex-direction:column;gap:6px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}