*{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}body{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);min-height:100vh}.container{max-width:1200px;margin:20px auto;background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000001f;overflow:hidden}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:40px 20px;text-align:center;box-shadow:0 10px 30px #667eea4d}.header h1{margin:0;font-size:32px;font-weight:700;letter-spacing:-.5px}.subtitle{margin:10px 0 0;font-size:15px;opacity:.95;font-weight:400}.ffmpeg-status{margin-top:16px;display:flex;justify-content:center}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px}.status-ready{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3)}.status-loading{background:#ffffff26;color:#ffffffe6;border:1px solid rgba(255,255,255,.2)}.tutorial-section{background:linear-gradient(135deg,#f8f9fb,#eef2f9)}.tutorial-section details{cursor:pointer}.tutorial-section summary{font-size:15px;font-weight:600;color:#667eea;outline:none;padding:8px 0;-webkit-user-select:none;user-select:none}.tutorial-section summary:hover{color:#764ba2}.tutorial-content{margin-top:16px;padding:16px;background:#fff;border-radius:10px;border-left:4px solid #667eea}.tutorial-image{width:100%;max-width:400px;height:auto;border-radius:8px;margin:0 auto 16px;display:block;box-shadow:0 2px 8px #667eea26}.tutorial-step{margin-bottom:12px;font-size:14px;line-height:1.6;color:#333}.tutorial-step:last-of-type{margin-bottom:0}.tutorial-tip{margin-top:14px;padding:12px;background:linear-gradient(135deg,#667eea1a,#764ba21a);border-radius:6px;font-size:13px;color:#667eea;border-left:3px solid #667eea}section{padding:28px;border-bottom:1px solid #f0f1f3}section:last-child{border-bottom:none}.upload-section{background:#fafbfc}.upload-options{display:flex;gap:12px;margin-bottom:15px;flex-wrap:wrap}.file-input-label{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:10px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease;border:none;box-shadow:0 4px 15px #667eea4d}.file-input-label:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.file-input{display:none}.file-input-text{display:inline-block}.file-info{padding:12px 16px;background:linear-gradient(135deg,#d4f8d7,#e0f7e0);border-left:4px solid #10b981;color:#065f46;border-radius:8px;font-size:13px;margin:0;font-weight:500}.bulk-selector{padding:16px;background:linear-gradient(135deg,#dbeafe,#e0f2fe);border-left:4px solid #0284c7;border-radius:8px;margin-top:12px}.bulk-selector label{display:block;font-weight:600;font-size:13px;color:#0c4a6e;margin-bottom:8px}.bulk-dropdown{width:100%;padding:10px 14px;border:2px solid #e2e8f0;border-radius:8px;font-size:14px;background:#fff;cursor:pointer;transition:all .3s ease;font-weight:500}.bulk-dropdown:hover{border-color:#cbd5e1;background:#f8fafc}.bulk-dropdown:focus{outline:none;border-color:#0284c7;box-shadow:0 0 0 3px #0284c71a;background:#fff}.bulk-count{display:inline-block;margin-left:8px;font-size:12px;color:#0c4a6e;font-weight:600}.waveform-section{background:#fafbfc}.waveform-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.waveform-header h3{margin:0;font-size:16px;font-weight:600;color:#1f2937}.waveform-wrapper{position:relative;background:#fff;border:2px solid #e5e7eb;border-radius:12px;height:150px;overflow:hidden;box-shadow:0 1px 3px #0000000f}.waveform-canvas{width:100%;height:100%}.waveform-footer{display:flex;flex-direction:column;gap:14px;padding:14px 0 0}.audio-player{width:100%;height:44px;border-radius:10px;border:2px solid #e5e7eb}.footer-buttons{display:flex;gap:10px;flex-wrap:wrap}.progress-info{margin-top:12px;padding:12px 16px;background:linear-gradient(135deg,#667eea1a,#764ba21a);border:2px solid #667eea;border-radius:8px}.progress-status{font-size:13px;font-weight:600;color:#667eea;margin-bottom:8px}.progress-bar{width:100%;height:6px;background:#667eea33;border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);border-radius:3px;transition:width .3s ease}.markers-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;border-radius:10px}.markers-section{background:linear-gradient(135deg,#667eea0d,#764ba20d);border-top:2px solid #e5e7eb;border-bottom:2px solid #e5e7eb}.markers-section h3{margin:0 0 20px;font-size:18px;font-weight:600;color:#1f2937}.empty-state{color:#9ca3af;font-size:15px;margin:0;padding:32px 20px;text-align:center;background:#ffffff80;border:2px dashed #d1d5db;border-radius:12px}.markers-list{display:flex;flex-direction:column;gap:10px}.marker-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#fff;border:2px solid #e5e7eb;border-radius:8px;font-size:14px;transition:all .3s ease;box-shadow:0 2px 8px #0000000a}.marker-item:hover{border-color:#667eea;box-shadow:0 4px 12px #667eea26;transform:translateY(-1px)}.marker-number{font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;min-width:30px;font-size:15px}.marker-time{flex:1;color:#6b7280;font-family:Monaco,Courier New,monospace;font-weight:500;font-size:13px}.marker-time-input{flex:1;padding:8px 12px;border:2px solid #e5e7eb;border-radius:6px;font-size:13px;font-family:Monaco,Courier New,monospace;font-weight:500;color:#1f2937;background:#fff;transition:all .2s ease}.marker-time-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.marker-time-input:hover{border-color:#667eea}.segments-section{background:linear-gradient(135deg,#0284c70d,#10b9810d);border-top:2px solid #e5e7eb;border-bottom:2px solid #e5e7eb}.segments-section h3{margin:0 0 20px;font-size:18px;font-weight:600;color:#1f2937}.segments-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.segment-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#fff;border:2px solid #e5e7eb;border-radius:8px;font-size:14px;transition:all .3s ease;box-shadow:0 2px 8px #0000000a}.segment-item:hover{border-color:#0284c7;box-shadow:0 4px 12px #0284c726;transform:translateY(-1px)}.segment-label{font-weight:700;background:linear-gradient(135deg,#0284c7,#10b981);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;min-width:70px;font-size:13px}.segment-time{flex:1;color:#6b7280;font-family:Monaco,Courier New,monospace;font-weight:500;font-size:13px}.preview-info{padding:12px 16px;background:linear-gradient(135deg,#0284c71a,#10b9811a);border-left:4px solid #0284c7;border-radius:8px;font-size:13px;color:#0c4a6e;margin-bottom:16px;font-weight:500}.preview-audio{display:none}.actions-section{background:#f8f9fa;text-align:center}.btn{padding:11px 20px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;white-space:nowrap;box-shadow:0 4px 12px #0000001a;flex:0 1 auto}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #00000026}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#5568d3,#6a3f8f)}.btn-success{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.btn-success:hover:not(:disabled){background:linear-gradient(135deg,#059669,#047857)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover:not(:disabled){background:linear-gradient(135deg,#dc2626,#b91c1c)}.btn-info{background:linear-gradient(135deg,#0284c7,#0369a1);color:#fff}.btn-info:hover:not(:disabled){background:linear-gradient(135deg,#0369a1,#02558b)}.btn-small{padding:8px 12px;font-size:13px;min-width:auto}.btn-large{padding:13px 28px;font-size:15px}h3{color:#2c3e50;font-size:16px;margin:0}.app-footer{background:#fff;border-top:1px solid #f0f1f3;padding:20px 28px;margin-top:40px}.footer-content{display:flex;justify-content:center;align-items:center;gap:8px}.footer-link{display:inline-flex;align-items:center;gap:6px;color:#667eea;text-decoration:none;font-size:13px;font-weight:500;padding:8px 12px;border-radius:6px;transition:all .3s ease}.footer-link:hover{background:#667eea1a;color:#764ba2}.footer-link svg{width:18px;height:18px;transition:transform .3s ease}.footer-link:hover svg{transform:scale(1.1)}
