:root {
            --primary: #667eea;
            --secondary: #764ba2;
            --success: #28a745;
            --danger: #dc3545;
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>');
            background-size: cover;
        }
        
        .status-badge {
            font-size: 0.8em;
            padding: 6px 12px;
            border-radius: 20px;
            font-weight: 600;
        }
        
        .status-up { background: #d4edda; color: #155724; }
        .status-down { background: #f8d7da; color: #721c24; }
        .status-unknown { background: #fff3cd; color: #856404; }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.5rem;
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .form-control-lg {
            border-radius: 10px;
            border: 2px solid transparent;
            transition: all 0.3s ease;
        }
        
        .form-control-lg:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
        }
        
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            border-radius: 10px;
            padding: 12px 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .dashboard-preview {
            background: white;
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            border: 1px solid rgba(255,255,255,0.2);
        }
        
        .preview-placeholder {
            background: linear-gradient(45deg, #f8f9fa, #e9ecef);
            border-radius: 10px;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c757d;
            font-weight: 600;
            border: 2px dashed #dee2e6;
        }

        .access-code {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 15px;
            border-radius: 10px;
            font-family: monospace;
            font-size: 1.2em;
            text-align: center;
            margin: 10px 0;
        }

        .login-form {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 25px;
            margin-top: 30px;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .dashboard-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            border: 1px solid #e9ecef;
        }

        .stat-card {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            height: 100%;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            margin: 10px 0;
        }

        .site-card {
            border-left: 4px solid;
            transition: all 0.3s ease;
        }

        .site-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }

        .site-card.up { border-left-color: #28a745; }
        .site-card.down { border-left-color: #dc3545; }
        .site-card.unknown { border-left-color: #ffc107; }

        .status-badge.status-pending {
            background-color: #6c757d;
            color: white;
        }

        .site-card.pending {
            border-left: 4px solid #6c757d;
        }

        .uptime-chart {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 15px;
            height: 120px;
            display: flex;
            align-items: end;
            gap: 5px;
        }

        .uptime-bar {
            background: #28a745;
            border-radius: 3px 3px 0 0;
            flex: 1;
            min-height: 5px;
        }

        .uptime-bar.down { background: #dc3545; }
        
        .confirmation-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
        }
        
        .confirmation-content {
            background: white;
            border-radius: 15px;
            padding: 25px;
            max-width: 500px;
            width: 90%;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        
        .remove-btn {
            background: #dc3545;
            color: white;
            border: none;
            border-radius: 5px;
            padding: 5px 10px;
            font-size: 0.8rem;
            transition: all 0.3s ease;
        }
        
        .remove-btn:hover {
            background: #c82333;
            transform: translateY(-1px);
        }
        
        .logout-btn {
            background: #6c757d;
            color: white;
            border: none;
            border-radius: 5px;
            padding: 6px 12px;
            font-size: 0.8rem;
            transition: all 0.3s ease;
            margin-left: 10px;
            text-decoration: none;
            display: inline-block;
        }
        
        .logout-btn:hover {
            background: #5a6268;
            transform: translateY(-1px);
            color: white;
            text-decoration: none;
        }
        footer a {
            color:#fff;
            text-decoration:none;
        }
        footer a:hover {
            color:#eee;
        }
        p:last-of-type {
            margin-bottom: 0 !important;
        }
        .uptime-section {
            background: #f8f9fa;
            padding: 10px;
            border-radius: 6px;
            border: 1px solid #e9ecef;
        }

        .uptime-bar {
            height: 8px;
            background: #dc3545;
            border-radius: 4px;
            overflow: hidden;
        }

        .uptime-progress {
            height: 100%;
            background: #28a745;
            border-radius: 4px;
            transition: width 0.3s ease;
        }

        .text-white-50 {
            color:#eee !important;
        }
        .btn-link {
            font-size: .875em;
        }
        .cardgray {
            background: linear-gradient(145deg, #ffffff, #f3f6f9);
            border-radius: 14px;
            padding: 25px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
            transition: transform 0.18s ease, box-shadow 0.18s ease;
        }

        /* Hover moderno */
        .cardgray:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.10);
        }

        .site-card.up { border-left: 4px solid #28a745 !important; }
        .site-card.down { border-left: 4px solid #dc3545 !important; }
        .site-card.unknown { border-left: 4px solid #ffc107 !important; }

        .text-gradient {
    background: linear-gradient(90deg, #4c6ef5, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 26px rgba(0,0,0,0.08);
}

.icon-bubble {
    width: 48px;
    height: 48px;
    background: rgba(76, 110, 245, 0.12);
    color: #4c6ef5;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.3rem;
    backdrop-filter: blur(4px);
}
.mt-6 {
    margin-top:60px;
}