:root{--bg-color: #f5f7fa;--bg-card: #ffffff;--text-primary: #1a1a2e;--text-secondary: #64748b;--accent-color: #3b82f6;--border-color: #e2e8f0;--border-light: #f1f5f9;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .1);--danger-color: #ef4444;--success-color: #10b981;--warning-color: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;overflow-x:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.btn{padding:10px 24px;background:#fff;color:var(--text-primary);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;font-size:.95em;font-weight:500;transition:all .2s;box-shadow:var(--shadow-sm)}.btn:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent-color);color:#fff;border-color:var(--accent-color)}.btn-primary:hover{background:#2563eb;border-color:#2563eb}.btn-danger{background:#fef2f2;border-color:#fecaca;color:#dc2626}.btn-danger:hover{background:#fee2e2;border-color:#fca5a5}.btn-success{background:#ecfdf5;border-color:#a7f3d0;color:#059669}.btn-success:hover{background:#d1fae5}.input{width:100%;background:#fff;border:1px solid var(--border-color);border-radius:8px;padding:12px;color:var(--text-primary);font-size:.95em;outline:none;transition:all .2s}.input:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px #3b82f61a}.input::placeholder{color:#94a3b8}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}.table-container{max-height:600px;overflow-y:auto;border-radius:12px;background:#fff;border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}table{width:100%;border-collapse:collapse;table-layout:auto}th,td{padding:12px 8px;text-align:left;border-bottom:1px solid var(--border-light);color:var(--text-primary);font-size:.9em;vertical-align:middle;word-break:break-word}td:nth-child(4){white-space:nowrap;word-break:keep-all;overflow:hidden;text-overflow:ellipsis;max-width:200px}th{background:#f8fafc;color:var(--text-primary);font-weight:600;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border-color)}tr:hover td{background:#f8fafc;color:var(--text-primary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .4s ease}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner{border:3px solid 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#cbd5e1;border-radius:4px;background:#fff;cursor:pointer;position:relative}.custom-checkbox:checked{border-color:var(--accent-color);background:var(--accent-color)}.custom-checkbox:checked:after{content:"✓";position:absolute;color:#fff;font-size:12px;top:50%;left:50%;transform:translate(-50%,-50%);font-weight:700}.channel-btn{background:#fff;border:1px solid var(--border-color);color:var(--text-secondary);padding:10px 12px;border-radius:8px;font-size:.9em;font-weight:500;cursor:pointer;transition:all .2s;height:40px;display:flex;align-items:center;justify-content:center;white-space:nowrap}.channel-btn:hover{background:#eff6ff;border-color:#bfdbfe;color:var(--accent-color)}.channel-btn.active{background:#eff6ff;border-color:#93c5fd;color:var(--accent-color)}.filter-toggle-btn{padding:6px 20px;background:#fff;color:var(--text-secondary);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;font-size:.9em;font-weight:500;transition:all 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