:root{color-scheme:light;--bg: #f4f8fe;--surface: #ffffff;--surface-muted: #f7faff;--border: #dbe7f7;--border-strong: #bfd1ea;--text: #061637;--text-muted: #52627a;--text-soft: #8795aa;--accent: #075dff;--accent-hover: #0047d4;--accent-soft: #eaf2ff;--accent-glow: rgba(7, 93, 255, .18);--waveform: #3a8a50;--playhead: rgba(37, 99, 235, .85);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-card: 0 18px 48px rgba(6, 22, 55, .08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;background:linear-gradient(180deg,#f8fbff 0%,var(--bg) 260px),var(--bg);color:var(--text)}button,select,input{font:inherit}.app-shell{display:flex;width:100%;min-height:100vh;flex-direction:column}.site-container{width:100%;max-width:1180px;margin:0 auto;padding-right:24px;padding-left:24px}.workspace-container{width:100%;max-width:none;padding-right:16px;padding-left:16px}.app-header{border-bottom:1px solid var(--border);background:#ffffffdb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.header-inner{display:flex;min-height:58px;align-items:center;justify-content:space-between;gap:36px;max-width:1080px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:17px;font-weight:780;letter-spacing:0;text-decoration:none}.brand-logo{width:42px;height:42px;object-fit:contain}.site-nav,.footer-links{display:flex;align-items:center;justify-content:flex-end}.site-nav{gap:30px}.footer-links{gap:28px}.site-nav a,.site-footer a{border-radius:var(--radius-sm);color:var(--text-muted);font-weight:560;text-decoration:none}.site-nav a{padding:7px 10px}.brand:hover,.site-nav a:hover,.site-nav a[aria-current=page],.site-footer a:hover{color:var(--text)}.site-nav a[aria-current=page]{background:var(--accent-soft);color:var(--accent)}.app-main{position:relative;flex:1;padding-top:24px;padding-bottom:36px;overflow:hidden}.app-shell[data-tool-mode=true] .app-main{padding-top:14px;padding-bottom:12px}.viewer-intro-section{position:relative;z-index:1;display:grid;gap:16px;max-width:1080px}.below-viewer-section{position:relative;z-index:1;display:grid;gap:16px;margin-top:18px;max-width:1080px}.static-page-container{position:relative;z-index:1;max-width:1080px}.site-footer{border-top:1px solid var(--border);background:#ffffffd1}.footer-inner{display:flex;align-items:center;justify-content:flex-end;max-width:1080px;min-height:56px;color:var(--text-muted);font-size:13px}.site-footer a{color:var(--text-soft)}.site-footer a{font-size:13px}.app-shell[data-tool-mode=true] .site-footer{display:none}.section-label{margin:0;color:var(--text-muted);font-size:11px;font-weight:740;letter-spacing:.08em;text-transform:uppercase}h1,h2{margin:0;color:var(--text);letter-spacing:0}h1{font-size:clamp(34px,4vw,52px);line-height:1.02}h2{font-size:22px;line-height:1.2}p{color:var(--text-muted)}.welcome-background-wave{position:fixed;top:58px;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.welcome-background-wave:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(148,163,184,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.04) 1px,transparent 1px);background-size:48px 48px;opacity:.26}.welcome-background-wave svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;fill:none;opacity:.075;stroke:#2563eb9e;stroke-linecap:round;stroke-linejoin:round;stroke-width:3}.empty-state{position:relative;display:flex;flex-direction:column;gap:22px;align-items:stretch;min-height:280px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-card);padding:clamp(26px,4vw,42px);overflow:hidden}.empty-state-copy{position:relative;z-index:2;width:100%}.empty-state h1{margin-top:8px;font-size:clamp(40px,5vw,58px)}.empty-state h2{margin-top:12px;font-size:clamp(21px,2vw,28px)}.empty-state p{max-width:780px;margin:14px 0 0;font-size:16px;line-height:1.6}.empty-state-list{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0;list-style:none}.empty-state-list li{border:1px solid var(--border);border-radius:var(--radius-sm);background:#ffffffbd;color:#203655;padding:6px 9px;font-size:13px;font-weight:600}.empty-state-divider{height:1px;margin-top:22px;background:var(--border)}.empty-how-it-works{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:16px 0 0;padding:0;list-style:none}.empty-how-it-works li{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:10px;min-width:0;border:1px solid var(--border);border-radius:var(--radius-md);background:#ffffffbd;box-shadow:0 10px 30px #0616370a;padding:14px}.empty-how-it-works strong{display:block}.empty-how-it-works strong{color:var(--text);font-size:13px;font-weight:720}.empty-how-it-works li>span:not(.step-number){display:block;grid-column:2;margin-top:5px;color:var(--text-muted);font-size:12px;line-height:1.45}.step-number{display:inline-flex;grid-row:span 2;width:22px;height:22px;align-items:center;justify-content:center;border:1px solid rgba(7,93,255,.18);border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:760}.empty-state-actions{position:relative;z-index:2;display:flex;min-width:0;flex-direction:column;align-items:center;gap:9px;padding-top:2px}.empty-state-actions span{color:var(--text-muted);font-size:12px;line-height:1.45}.homepage-seo-content{position:relative;z-index:1;border:1px solid rgba(219,231,247,.78);border-radius:var(--radius-md);background:#ffffff9e;padding:18px 20px}.homepage-seo-content h2{font-size:19px;line-height:1.3}.homepage-seo-content p{max-width:860px;margin:9px 0 0;color:var(--text-muted);font-size:15px;line-height:1.65}.controls,.meta,.static-page{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-card)}.controls{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:16px}.controls p{margin:4px 0 0;font-size:14px}input[type=file]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap}.file-picker,.primary-link,.secondary-link{display:inline-flex;min-height:40px;align-items:center;justify-content:center;border-radius:var(--radius-sm);padding:0 16px;font-size:15px;font-weight:760;text-decoration:none;cursor:pointer;transition:background .12s ease,border-color .12s ease,color .12s ease,transform .12s ease}.empty-state .file-picker{width:min(100%,260px);min-height:44px}.file-picker,.primary-link{border:1px solid var(--accent);background:linear-gradient(180deg,#1b74ff,var(--accent-hover));color:#fff;box-shadow:0 2px 6px #075dff1f}.file-picker span,.primary-link span{color:#fff}.file-picker:hover,.primary-link:hover{border-color:var(--accent-hover);background:linear-gradient(180deg,#0f66f5,#003fbd)}.secondary-link{border:1px solid var(--border-strong);background:var(--surface);color:var(--text)}.secondary-link:hover{border-color:var(--text-soft);background:var(--surface-muted)}.file-picker:active,.primary-link:active,.secondary-link:active{transform:translateY(1px)}.file-picker:focus-within,.primary-link:focus-visible,.secondary-link:focus-visible{outline:2px solid #9fc5ff;outline-offset:3px}.meta{display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,2fr);gap:16px;align-items:center;padding:16px}.meta-file{min-width:0}.meta-file span,.meta-chip span{display:block;margin-bottom:4px;color:var(--text-muted);font-size:12px}.meta-file strong{display:block;overflow:hidden;color:#1f2937;font-size:15px;font-weight:680;text-overflow:ellipsis;white-space:nowrap}.meta-chips{display:flex;min-width:0;flex-wrap:wrap;justify-content:flex-end;gap:8px}.meta-chip{min-width:112px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-muted);padding:8px 10px}.meta-chip strong{display:block;color:#1f2937;font-size:13px;font-weight:680;white-space:nowrap}.loaded-workspace{display:grid;gap:12px;min-width:0}.loaded-audio-toolbar{display:flex;width:100%;min-height:58px;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--border);border-radius:var(--radius-md);background:linear-gradient(180deg,#fffffff5,#f7fafff0);box-shadow:0 10px 26px #0616370d;padding:10px 12px 10px 16px}.loaded-audio-summary{min-width:0}.loaded-audio-details{margin-top:3px;color:var(--text);font-size:14px;font-weight:680;line-height:1.35}.loaded-audio-filename{max-width:min(560px,64vw);margin-top:2px;overflow:hidden;color:#9aa8bb;font-size:12px;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.loaded-audio-toolbar .file-picker{min-height:34px;flex:0 0 auto;padding-right:12px;padding-left:12px;font-size:13px}.waveform-viewer{width:100%;min-width:0}.waveform-card{width:100%;min-width:0;max-width:none;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff;box-shadow:0 12px 32px #0616370f;padding:0 14px}.waveform-toolbar{display:flex;margin-right:-14px;margin-left:-14px;min-height:50px;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;border-bottom:1px solid var(--border);background:#f8fbff;padding:8px 10px;font-size:13px}.toolbar-left,.toolbar-right{display:flex;min-width:0;flex-wrap:wrap;align-items:center;gap:10px}.toolbar-right{justify-content:flex-end}.toolbar-button-group{display:inline-flex;align-items:center;gap:3px;border:1px solid #d7e4f7;border-radius:8px;background:#ffffffbd;padding:3px}.toolbar-readout{color:var(--text-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.waveform-toolbar button{display:inline-flex;min-width:36px;height:32px;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:#203655;padding:0 10px;cursor:pointer;transition:background .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease}.waveform-toolbar .icon-button{width:32px;min-width:32px;padding:0}.waveform-toolbar svg,.icon-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.waveform-toolbar button:hover:not(:disabled){border-color:#c7d9f2;background:#fff;box-shadow:0 4px 12px #0616370f}.waveform-toolbar button:disabled{color:#a6b3c5;cursor:default}.speed-control{display:inline-flex;min-height:40px;align-items:center;gap:8px;color:var(--text-muted);border:1px solid #d7e4f7;border-radius:8px;background:#ffffffbd;padding:3px 4px 3px 10px}.speed-control select{height:32px;border:1px solid transparent;border-radius:var(--radius-sm);background:#fff;color:var(--text);padding:0 8px}.speed-control select:disabled{color:var(--text-soft)}.speed-control select:focus-visible,.waveform-toolbar button:focus-visible{outline:2px solid #9fc5ff;outline-offset:2px}.canvas-wrap{position:relative;width:100%;min-width:0;margin-top:14px;overflow-x:auto;overflow-y:hidden;border:1px solid #dfe7f2;border-radius:var(--radius-sm);background:#fff;box-shadow:inset 0 1px #ffffffe6;cursor:crosshair}.waveform-viewport{position:sticky;left:0;width:100%;min-width:100%}.waveform-timeline{height:0;min-width:100%}canvas{display:block}.playhead{position:absolute;z-index:2;top:0;bottom:0;width:16px;transform:translate(-8px);cursor:ew-resize;pointer-events:auto}.playhead:before{content:"";position:absolute;top:0;bottom:0;left:7px;width:2px;background:var(--playhead);box-shadow:0 0 0 1px #ffffff85}.playhead-handle{position:absolute;top:4px;left:50%;width:14px;height:18px;border:1px solid #075dff;border-radius:4px;background:#2563eb;box-shadow:0 2px 5px #075dff2e;transform:translate(-50%)}.playhead-handle:before{content:"";position:absolute;top:3px;bottom:3px;left:4px;width:1px;background:#ffffffad}.playhead-handle:after{content:"";position:absolute;top:3px;bottom:3px;right:4px;width:1px;background:#ffffffad}.waveform-resize-handle{position:relative;margin-right:-14px;margin-left:-14px;height:12px;border:0;border-top:1px solid var(--border);background:#f7faff;cursor:ns-resize}.waveform-resize-handle:before{content:"";position:absolute;top:4px;left:50%;width:54px;height:3px;transform:translate(-50%);border-top:1px solid #a4b7d0;border-bottom:1px solid #a4b7d0}.waveform-resize-handle:focus-visible{outline:2px solid #9fc5ff;outline-offset:2px}.waveform-inspector{margin-right:-14px;margin-left:-14px;min-height:36px;border-top:1px solid var(--border);background:#f7faff;color:var(--text-muted);padding:9px 12px;font-size:12px;font-variant-numeric:tabular-nums;line-height:1.4}.static-page{max-width:none;padding:36px}.static-page h1{margin-top:6px;font-size:clamp(30px,4vw,42px)}.static-page-content{margin-top:20px}.static-page-content p{margin:0 0 16px;font-size:16px;line-height:1.72}.privacy-callout{border:1px solid #c9dbf5;border-radius:var(--radius-md);background:#eef5ff;color:#12315f;padding:14px 16px;font-weight:660}.ad-slot{border:1px dashed var(--border-strong);border-radius:var(--radius-md);background:#ffffff80;color:var(--text-soft);font-size:12px;text-align:center}.ad-slot-horizontal{margin:18px 16px 0;padding:14px}.ad-slot-inline{padding:14px}.ad-slot-sidebar{min-height:260px;padding:14px}@media (min-width: 1600px){.workspace-container{padding-right:24px;padding-left:24px}}@media (max-width: 768px){.site-container,.workspace-container{padding-right:12px;padding-left:12px}.header-inner{flex-wrap:wrap;gap:14px;min-height:54px;padding-top:10px;padding-bottom:10px}.site-nav{width:100%;justify-content:flex-start;gap:20px}.app-main{padding-top:16px}.empty-state,.meta,.empty-how-it-works{grid-template-columns:1fr}.empty-state{min-height:auto}.welcome-background-wave:before{opacity:.24}.welcome-background-wave svg{opacity:.055}.empty-state-actions,.file-picker{width:100%}.meta-chips{justify-content:flex-start}.loaded-audio-toolbar{align-items:stretch;flex-direction:column}.loaded-audio-filename{max-width:100%}.loaded-audio-toolbar .file-picker{width:100%}.toolbar-left,.toolbar-right{width:100%;justify-content:flex-start}.waveform-toolbar{align-items:flex-start}.footer-inner{align-items:center;flex-wrap:wrap}.footer-links{gap:18px}.static-page{padding:22px}}