:root{--bg: #f8f9fa;--surface: #ffffff;--text: #212529;--text-muted: #6c757d;--border: #dee2e6;--accent: #0d6efd;--accent-hover: #0b5ed7;--radius: 8px;--col-border: #e9ecef}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Open Sans,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}#app{display:flex;flex-direction:column;min-height:100vh}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 20px;border:none;border-radius:var(--radius);font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}select{font-family:inherit;font-size:13px;padding:7px 28px 7px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236c757d'/%3E%3C/svg%3E") no-repeat right 10px center;-webkit-appearance:none;-moz-appearance:none;appearance:none;color:var(--text);cursor:pointer;box-shadow:0 1px 2px #0000000a;transition:border-color .15s,box-shadow .15s}select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #0d6efd1f}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 32px;display:flex;align-items:center;justify-content:space-between}.header h1{font-size:18px;font-weight:700}.main{flex:1;padding:24px 32px;max-width:1600px;margin:0 auto;width:100%}.toolbar-sticky{position:sticky;top:0;z-index:20;background:var(--bg);padding-bottom:4px}.controls{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin-bottom:0}.control-group{display:flex;flex-direction:column;gap:4px}.control-group label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.control-separator{width:1px;height:32px;background:var(--border);align-self:flex-end;margin:0 2px}.toggle-wrap{display:flex;align-items:center;gap:8px;font-size:13px}.toggle{position:relative;width:36px;height:20px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border);border-radius:10px;cursor:pointer;transition:background .2s;border:none;flex-shrink:0}.toggle:checked{background:var(--accent)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;background:#fff;border-radius:50%;transition:transform .2s}.toggle:checked:after{transform:translate(16px)}.column-headers{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--surface);border-bottom:2px solid var(--border);margin-top:8px;margin-bottom:4px;padding:10px 0}.column-headers .col-header{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);padding:0 16px}.column-headers .col-header:first-child{border-right:1px solid var(--col-border)}.speaker-row{display:flex;align-items:center;gap:10px;padding:14px 0 6px;margin-top:12px;border-top:1px solid var(--border)}.speaker-row:first-child{margin-top:0;border-top:none}.speaker-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;color:#fff;font-size:12px;font-weight:700;flex-shrink:0;letter-spacing:.5px}.speaker-name{font-weight:700;font-size:14px}.speaker-time{font-size:13px;color:var(--text-muted)}.timecode-only{font-size:12px;color:var(--text-muted);padding:6px 0 2px 42px}.segment{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:4px 0}.segment-col{min-width:0;padding:8px 16px 12px;border-left:3px solid var(--col-border)}.segment-col+.segment-col{border-left-color:#dfe5ec}.segment-col-controls{display:flex;align-items:center;gap:8px;margin-bottom:6px;min-height:28px}.segment-content{line-height:1.8;font-size:15px}.pill-toggle{display:inline-flex;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--bg)}.pill-toggle button{font-family:inherit;font-size:11px;font-weight:600;padding:3px 10px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}.pill-toggle button.active{background:var(--accent);color:#fff}.pill-toggle button:not(.active):hover{background:var(--border)}.compact-select{font-size:11px;padding:3px 22px 3px 8px;border-radius:14px;max-width:180px;background-position:right 6px center;background-size:8px 5px}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;justify-content:center;padding:48px}