body { background-color: #f5f7fa; }
.sidebar { min-height: calc(100vh - 56px); border-right: 1px solid #dee2e6; }
.sidebar .nav-link { color: #333; padding: 12px 20px; border-radius: 8px; margin: 2px 8px; }
.sidebar .nav-link:hover { background: #e9ecef; }
.sidebar .nav-link.active { background: #0d6efd; color: white; }
.card { border: none; box-shadow: 0 2px 8px rgba(0,0,0,0.08); border-radius: 12px; }
.card-header { background: white; border-bottom: 1px solid #eee; padding: 16px 20px; }
.table th { font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-new { background: #6c757d; }
.badge-interested { background: #198754; }
.badge-contacted { background: #0dcaf0; }
.badge-callback { background: #ffc107; color: #333; }
.badge-no_answer { background: #dc3545; }
.badge-not_interested { background: #6c757d; }
.campaign-card { transition: transform 0.2s; cursor: pointer; }
.campaign-card:hover { transform: translateY(-3px); box-shadow: 0 4px 15px rgba(0,0,0,0.15); }
.status-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.status-dot.active { background: #198754; animation: pulse 1.5s infinite; }
.status-dot.paused { background: #ffc107; }
.status-dot.stopped { background: #dc3545; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.4; } 100% { opacity: 1; } }