:root {
            --primary: #4361ee;
            --secondary: #3a0ca3;
            --success: #4cc9f0;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
        }
        
        body {
            background-color: #f0f2f5;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100dvh;
            margin: 0;
            padding: 16px;
            overflow-x: hidden;
            overflow-y: auto;
        }
        
        .mobile-container {
            width: 100%;
            max-width: 400px;
            height: 95dvh;
            max-height: 900px;
            background-color: white;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            overflow-x: hidden;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        
        .header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 1rem 0;
            border-radius: 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        
        .content-area {
            flex: 1;
            overflow-y: auto;
            padding: 0 16px 16px 16px;
        }
        
        .business-card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s;
            overflow: hidden;
            margin: 16px 0;
            padding: 12px;
        }

        .business-card-sponsor {
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s;
            overflow: hidden;
            margin: 16px 0;
            padding: 0px;
        }
        
        .business-logo {
            width: 60px;
            height: 60px;
            object-fit: cover;
            border-radius: 50%;
            border: 2px solid var(--primary);
        }
        
        .payment-option {
            background-color: var(--light-bg);
            border-radius: 10px;
            padding: 0.9rem;
            margin-bottom: 0.8rem;
            cursor: pointer;
            transition: all 0.3s;
            border: 1px solid #e9ecef;
            position: relative;
        }
        
        .payment-option:hover {
            background-color: #e9ecef;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        
        .payment-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-right: 12px;
        }
        
        .copy-icon {
            position: absolute;
            top: 22px;
            right: 12px;
            color: #6c757d;
            transition: all 0.3s;
        }
        
        .payment-option:hover .copy-icon {
            color: var(--primary);
        }
        
        .copied-message {
            position: absolute;
            top: 22px;
            right: 45px;
            color: #28a745;
            font-weight: 500;
            font-size: 0.85rem;
            opacity: 0;
            transform: translateX(10px);
            transition: all 0.3s ease;
            pointer-events: none;
            display: flex;
            align-items: center;
            background: white;
            padding: 4px 8px;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .copied-message.show {
            opacity: 1;
            transform: translateX(0);
        }
        
        .copied-message.error {
            color: #dc3545;
        }
        
        .sponsor-container {
            background: white;
            border-radius: 0;
            padding: 0px;
            text-align: center;
            border-top: 1px dashed #ced4da;
        }
        
        .sponsor-label {
            font-size: 0.75rem;
            color: #6c757d;
            margin-bottom: 6px;
        }
        
        .footer {
            background-color: white;
            padding: 0;
            border-radius: 0;
        }
        
        .stats {
            background: white;
            border-radius: 10px;
            padding: 12px;
            margin-top: 16px;
            font-size: 0.8rem;
        }
        
        .footer-info {
            padding: 12px 0;
            font-size: 0.75rem;
            text-align: center;
        }
        
        .highlight {
            color: var(--primary);
            font-weight: 600;
        }
        
        .tooltip-custom {
            position: absolute;
            background: var(--dark-text);
            color: white;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.7rem;
            top: -30px;
            right: 0;
            display: none;
        }
        
        .copy-icon:hover + .tooltip-custom {
            display: block;
        }
        
        h1, h2, h3, h4, h5 {
            margin-bottom: 0.5rem;
        }
        
        p {
            margin-bottom: 0.5rem;
        }
        
        .alert {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            margin: 12px 0;
        }
        
        .badge {
            font-size: 0.7rem;
        }
        
        /* Animación de check */
        @keyframes checkmark {
            0% { transform: scale(0); opacity: 0; }
            50% { transform: scale(1.2); opacity: 1; }
            100% { transform: scale(1); opacity: 1; }
        }
        
        .check-animation {
            animation: checkmark 0.5s ease-in-out;
        }
        
        /* Toast de notificación */
        .toast-notification {
            position: fixed;
            bottom: 30px;
            left: auto;
            right: auto;
            transform: translateX(0%);
            background-color: #333;
            color: white;
            padding: 12px 20px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            z-index: 2000;
            opacity: 0;
            transition: opacity 0.3s ease;
            font-size: 0.9rem;
            pointer-events: none;
        }
        .toast-notification.show {
            opacity: 1;
        }

        .truncate {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }