:root{--bg:#0a0a0a;--bg-card:#141414;--bg-hover:#1a1a1a;--border:#262626;--text:#e5e5e5;--text-dim:#a3a3a3;--primary:#e11d48;--primary-hover:#f43f5e;--primary-bg:rgba(225,29,72,.1);--radius:12px;--shadow:0 2px 8px rgba(0,0,0,.3)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column}
a{color:var(--primary);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.header{border-bottom:1px solid var(--border);padding:16px 0;background:var(--bg);position:sticky;top:0;z-index:50}
.header .container{display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--text)}
.nav{display:flex;gap:16px}
.nav-link{color:var(--text-dim);font-size:.9rem;transition:color .2s}
.nav-link:hover{color:var(--primary)}
.main{flex:1;padding:40px 0}
.hero{text-align:center;margin-bottom:48px}
.hero h1{font-size:2.5rem;margin-bottom:12px;background:linear-gradient(135deg,var(--primary),var(--primary-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:var(--text-dim);font-size:1.1rem;max-width:600px;margin:0 auto}
.category{margin-bottom:40px}
.category h2{font-size:1.4rem;margin-bottom:4px;color:var(--text)}
.category-desc{color:var(--text-dim);font-size:.9rem;margin-bottom:20px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .2s;display:block;color:var(--text)}
.tool-card:hover{border-color:var(--primary);background:var(--bg-hover);transform:translateY(-2px);box-shadow:var(--shadow)}
.tool-icon{width:44px;height:44px;background:var(--primary-bg);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;color:var(--primary)}
.tool-card h3{font-size:1rem;margin-bottom:6px}
.tool-card p{color:var(--text-dim);font-size:.85rem;line-height:1.4}
.tool-header{margin-bottom:24px}
.back-link{color:var(--text-dim);font-size:.9rem;display:inline-block;margin-bottom:12px;transition:color .2s}
.back-link:hover{color:var(--primary)}
.tool-header h1{font-size:1.8rem;margin-bottom:8px}
.tool-header p{color:var(--text-dim)}
.tool-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.tool-content{padding:24px}

/* Buttons */
.btn{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;font-size:.85rem;transition:all .2s;display:inline-flex;align-items:center;gap:6px;font-family:inherit}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn-sm{padding:5px 10px;font-size:.8rem}
.btn-lg{padding:12px 28px;font-size:1rem}
.btn-success{background:#059669;color:#fff;border-color:#059669}
.btn-success:hover{background:#10b981;border-color:#10b981}
.btn-danger{background:#dc2626;color:#fff;border-color:#dc2626}
.btn-danger:hover{background:#ef4444;border-color:#ef4444}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.action-bar{display:flex;justify-content:center;padding:16px;gap:10px;flex-wrap:wrap}

/* Upload Zone */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;cursor:pointer;transition:all .3s;margin-bottom:20px}
.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);background:var(--primary-bg)}
.upload-zone .upload-icon{color:var(--text-dim);margin-bottom:12px}
.upload-zone .upload-text{color:var(--text);margin-bottom:8px}
.upload-zone .upload-text label{color:var(--primary);cursor:pointer;font-weight:600}
.upload-zone .upload-hint{color:var(--text-dim);font-size:.8rem}

/* Audio Player */
.audio-player{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin:16px 0}
.audio-player audio{width:100%;outline:none}
.audio-player audio::-webkit-media-controls-panel{background:var(--bg-card)}
.audio-player .player-info{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:.85rem;color:var(--text-dim)}

/* Waveform */
.waveform{background:var(--bg);border:1px solid var(--border);border-radius:8px;height:80px;margin:12px 0;overflow:hidden;position:relative}
.waveform canvas{width:100%;height:100%}

/* Recording Indicator */
.recording-indicator{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:20px;background:rgba(220,38,38,.1);color:#ef4444;font-size:.9rem;font-weight:600;opacity:0;transition:opacity .3s}
.recording-indicator .dot{width:10px;height:10px;border-radius:50%;background:#ef4444}
.recording-indicator.active{opacity:1}
.recording-indicator.active .dot{animation:pulse-dot 1s ease infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}

/* Transcript Output */
.transcript-output{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin:16px 0;max-height:400px;overflow-y:auto;min-height:120px;font-size:.9rem;line-height:1.6}
.transcript-line{padding:4px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.transcript-line:last-child{border-bottom:none}
.transcript-line .timestamp{color:var(--primary);font-size:.75rem;font-family:'SF Mono',Monaco,Consolas,monospace;margin-right:8px}
.transcript-line .text{color:var(--text)}
.transcript-line.interim .text{color:var(--text-dim);font-style:italic}

/* Time Range */
.time-range{display:flex;gap:16px;align-items:center;margin:16px 0;flex-wrap:wrap}
.time-range label{font-size:.85rem;color:var(--text-dim)}
.time-range input[type="text"]{width:80px;padding:8px 10px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.9rem;text-align:center}
.time-range input[type="text"]:focus{border-color:var(--primary);outline:none}

/* Range Slider */
.range-slider{width:100%;margin:12px 0}
.range-slider input[type="range"]{-webkit-appearance:none;width:100%;height:6px;border-radius:3px;background:var(--border);outline:none}
.range-slider input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--primary);cursor:pointer;border:2px solid var(--bg-card)}
.range-slider input[type="range"]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--primary);cursor:pointer;border:2px solid var(--bg-card)}
.range-slider .range-labels{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-dim);margin-top:4px}
.range-slider .range-value{text-align:center;font-size:1.1rem;font-weight:700;color:var(--primary);margin-bottom:4px}

/* Format Options */
.format-options{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.format-option{padding:8px 18px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text-dim);cursor:pointer;font-size:.85rem;font-weight:600;transition:all .2s}
.format-option:hover{border-color:var(--primary);color:var(--primary)}
.format-option.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Progress Bar */
.progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin:16px 0}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-hover));border-radius:4px;width:0;transition:width .3s ease}

/* Options and Forms */
.options-panel{padding:12px 0}
.opt-group{margin-bottom:14px}
.opt-group label{display:block;font-size:.85rem;color:var(--text-dim);margin-bottom:6px}
.opt-group select,.opt-group input[type="text"],.opt-group input[type="number"]{width:100%;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.9rem;font-family:inherit}
.opt-group select:focus,.opt-group input:focus{border-color:var(--primary);outline:none}
.opt-group textarea{width:100%;padding:12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.9rem;font-family:inherit;resize:vertical;min-height:120px;line-height:1.5}
.opt-group textarea:focus{border-color:var(--primary);outline:none}
.options-row{display:flex;gap:12px;flex-wrap:wrap}
.options-row .opt-group{flex:1;min-width:140px}
.checkbox-group{display:flex;align-items:center;gap:8px;margin:12px 0}
.checkbox-group input[type="checkbox"]{width:18px;height:18px;accent-color:var(--primary)}
.checkbox-group label{font-size:.85rem;color:var(--text-dim);cursor:pointer}

/* File List */
.file-list{margin:16px 0}
.file-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;margin-bottom:8px;transition:all .2s}
.file-item:hover{border-color:var(--primary)}
.file-item.dragging{opacity:.5;border-style:dashed}
.file-item .file-icon{width:36px;height:36px;background:var(--primary-bg);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}
.file-item .file-info{flex:1;min-width:0}
.file-item .file-name{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-item .file-size{font-size:.75rem;color:var(--text-dim)}
.file-item .file-actions{display:flex;gap:6px;flex-shrink:0}
.file-item .drag-handle{cursor:grab;color:var(--text-dim);padding:4px}
.file-item .drag-handle:active{cursor:grabbing}

/* Level Meter */
.level-meter{width:100%;height:24px;background:var(--bg);border:1px solid var(--border);border-radius:4px;overflow:hidden;margin:12px 0}
.level-meter .level-fill{height:100%;background:linear-gradient(90deg,#059669,#fbbf24,#ef4444);width:0;transition:width 50ms;border-radius:4px}

/* Recording Timer */
.recording-timer{font-size:2rem;font-weight:700;font-family:'SF Mono',Monaco,Consolas,monospace;color:var(--primary);text-align:center;padding:16px}

/* Presets */
.presets{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.preset-btn{padding:6px 14px;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:var(--text-dim);cursor:pointer;font-size:.8rem;transition:all .2s}
.preset-btn:hover{border-color:var(--primary);color:var(--primary)}
.preset-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Result */
.result-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-top:16px;display:none}
.result-panel.visible{display:block}
.result-stats{display:flex;gap:20px;flex-wrap:wrap;padding:12px;background:var(--primary-bg);border-radius:var(--radius);margin-bottom:12px}
.result-stats .stat{text-align:center}
.result-stats .stat-value{font-size:1.4rem;font-weight:700;color:var(--primary)}
.result-stats .stat-label{font-size:.75rem;color:var(--text-dim)}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;background:var(--primary);color:#fff;padding:12px 20px;border-radius:8px;font-weight:600;font-size:.9rem;opacity:0;transform:translateY(12px);transition:all .3s;z-index:100;pointer-events:none}
.toast.show{opacity:1;transform:translateY(0)}

/* Speed Controls */
.speed-controls{display:flex;gap:6px;align-items:center;margin:8px 0}
.speed-controls .speed-btn{padding:4px 10px;border-radius:4px;border:1px solid var(--border);background:var(--bg);color:var(--text-dim);cursor:pointer;font-size:.8rem;transition:all .2s}
.speed-controls .speed-btn:hover,.speed-controls .speed-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Section Label */
.section-label{font-size:.9rem;font-weight:600;color:var(--text);margin:16px 0 8px;padding-bottom:6px;border-bottom:1px solid var(--border)}

/* Info Box */
.info-box{background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.3);border-radius:8px;padding:12px 16px;margin:12px 0;font-size:.85rem;color:#93c5fd;line-height:1.5}

/* Footer */
.footer{border-top:1px solid var(--border);padding:20px 0;text-align:center;color:var(--text-dim);font-size:.85rem}
.footer-info{margin-bottom:12px;line-height:1.8}
.footer-info strong{color:var(--text)}
.footer-info a{color:var(--primary)}
.footer-social{margin-bottom:10px}
.footer-social a{color:var(--text-dim);margin:0 6px;transition:color .2s}
.footer-social a:hover{color:var(--primary)}
.footer-tech{font-size:.75rem;color:#475569;margin-bottom:10px}
.footer-links{margin-top:8px;font-size:.8rem}
.footer-links a{color:var(--text-dim);margin:0 6px}
.footer-links a:hover{color:var(--primary)}

@media(max-width:768px){
.hero h1{font-size:1.8rem}
.tools-grid{grid-template-columns:1fr}
.nav{gap:8px}.nav-link{font-size:.8rem}
.header .container{flex-wrap:wrap;gap:10px}
.options-row{flex-direction:column}
.time-range{flex-direction:column;align-items:stretch}
.format-options{justify-content:center}
.recording-timer{font-size:1.5rem}
}