/* Variables CSS para el tema oscuro */
        :root {
            --bg-primary: #0a0a0a;
            --bg-secondary: #1a1a1a;
            --bg-tertiary: #2a2a2a;
            --text-primary: #ffffff;
            --text-secondary: #b3b3b3;
            --accent-blue: #4a9eff;
            --accent-green: #4ade80;
            --accent-red: #ef4444;
            --accent-purple: #a855f7;
            --border-color: #333333;
            --shadow: rgba(0, 0, 0, 0.3);
        }

        /* Reset y configuración base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header */
        .header {
            text-align: center;
            margin-bottom: 40px;
        }

        .header h1 {
            font-size: 2.5rem;
            font-weight: 300;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .header p {
            color: var(--text-secondary);
            font-size: 1.1rem;
        }

        /* Layout principal */
        .main-layout {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
            align-items: start;
        }

        @media (max-width: 768px) {
            .main-layout {
                grid-template-columns: 1fr;
            }
        }

        /* Sección de búsqueda */
        .search-section {
            background: var(--bg-secondary);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .search-section h2 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--text-primary);
            font-weight: 400;
        }

        .input-group {
            margin-bottom: 20px;
        }

        .input-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .email-input {
            width: 100%;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        .email-input:focus {
            outline: none;
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
        }

        .multiple-input {
            min-height: 120px;
            resize: vertical;
            font-family: inherit;
        }

        .btn {
            background: var(--accent-blue);
            color: white;
            border: none;
            border-radius: 8px;
            padding: 12px 24px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
        }

        .btn:hover {
            background: #3a8eef;
            transform: translateY(-1px);
        }

        .btn:disabled {
            background: var(--border-color);
            cursor: not-allowed;
            transform: none;
        }

        /* Panel de estadísticas */
        .stats-panel {
            background: var(--bg-secondary);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            position: sticky;
            top: 20px;
        }

        .stats-panel h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--text-primary);
            font-weight: 400;
        }

        .stat-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .stat-item:last-child {
            border-bottom: none;
        }

        .stat-label {
            color: var(--text-secondary);
            font-weight: 500;
        }

        .stat-value {
            font-size: 1.2rem;
            font-weight: 600;
        }

        .stat-value.total { color: var(--text-primary); }
        .stat-value.compromised { color: var(--accent-red); }
        .stat-value.safe { color: var(--accent-green); }
        .stat-value.porcentaje { color: var(--accent-purple); }

        /* Barras de progreso */
        .progress-container {
            margin: 20px 0;
        }

        .progress-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: var(--bg-tertiary);
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            transition: width 0.5s ease;
            border-radius: 4px;
        }

        .progress-fill.compromised {
            background: var(--accent-red);
        }

        .progress-fill.safe {
            background: var(--accent-green);
        }

        /* Sección de resultados */
        .results-section {
            margin-top: 40px;
        }

        .results-section h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--text-primary);
            font-weight: 400;
        }

        .results-grid {
            display: grid;
            gap: 15px;
        }

        .result-card {
            background: var(--bg-secondary);
            border-radius: 8px;
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .result-card:hover {
            border-color: var(--accent-blue);
            box-shadow: 0 4px 12px var(--shadow);
        }

        .result-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }

        .email-display {
            font-family: 'Courier New', monospace;
            font-weight: 500;
            color: var(--text-primary);
        }

        .status-badge {
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
        }

        .status-badge.compromised {
            background: rgba(239, 68, 68, 0.2);
            color: var(--accent-red);
        }

        .status-badge.safe {
            background: rgba(74, 222, 128, 0.2);
            color: var(--accent-green);
        }

        .result-details {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* Estados de carga */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 10, 10, 0.8);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }

        .loading-overlay.active {
            display: flex;
        }

        .loading-content {
            background: var(--bg-secondary);
            padding: 40px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-color);
        }

        .spinner {
            width: 40px;
            height: 40px;
            border: 3px solid var(--bg-tertiary);
            border-top: 3px solid var(--accent-blue);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .loading-text {
            color: var(--text-secondary);
            font-size: 1.1rem;
        }

        /* Mensajes */
        .message {
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            display: none;
        }

        .message.show {
            display: block;
        }

        .message.success {
            background: rgba(74, 222, 128, 0.1);
            border: 1px solid rgba(74, 222, 128, 0.3);
            color: var(--accent-green);
        }

        .message.error {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.3);
            color: var(--accent-red);
        }

        .message.warning {
            background: rgba(251, 191, 36, 0.1);
            border: 1px solid rgba(251, 191, 36, 0.3);
            color: #fbbf24;
        }

        /* Tooltips */
        .tooltip {
            position: relative;
            cursor: help;
        }

        .tooltip:hover::after {
            content: attr(data-tooltip);
            position: absolute;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            background: var(--bg-tertiary);
            color: var(--text-primary);
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            white-space: nowrap;
            z-index: 100;
            border: 1px solid var(--border-color);
        }

        /* Ayuda */
        .help-section {
            background: var(--bg-tertiary);
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
        }

        .help-section h4 {
            color: var(--text-primary);
            margin-bottom: 10px;
            font-size: 1rem;
        }

        .help-section ul {
            color: var(--text-secondary);
            padding-left: 20px;
        }

        .help-section li {
            margin-bottom: 5px;
        }

        /* Animaciones de entrada */
        .fade-in {
            animation: fadeIn 0.5s ease-in-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }
            
            .header h1 {
                font-size: 2rem;
            }
            
            .search-section,
            .stats-panel {
                padding: 20px;
            }
        }