/* Estilos para notificações */
        .ns-notification-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-width: 380px;
        }
        
        .ns-notification {
            padding: 14px 16px;
            border-radius: 12px;
            color: white;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
            transform: translateX(100%);
            opacity: 0;
            transition: transform 0.4s ease, opacity 0.4s ease;
            position: relative;
            overflow: hidden;
        }
        
        .ns-notification.show {
            transform: translateX(0);
            opacity: 1;
        }
        
        .ns-notification.hide {
            transform: translateX(100%);
            opacity: 0;
        }
        
        .ns-notification.success { background: linear-gradient(135deg, #27ae60, #1e8449); }
        .ns-notification.error { background: linear-gradient(135deg, #e74c3c, #c0392b); }
        .ns-notification.warning { background: linear-gradient(135deg, #f39c12, #d35400); }
        .ns-notification.info { background: linear-gradient(135deg, #3498db, #2471a3); }
        
        .ns-notification-avatar {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        
        .ns-notification-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .ns-notification-avatar i {
            font-size: 28px;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .ns-notification-content { flex: 1; }
        .ns-notification-title { font-weight: 700; margin-bottom: 4px; }
        .ns-notification-message { font-size: 0.85rem; opacity: 0.9; }
        
        .ns-notification-close {
            background: none;
            border: none;
            color: white;
            font-size: 16px;
            cursor: pointer;
            opacity: 0.6;
        }
        
        .ns-notification-progress {
            position: absolute;
            bottom: 0;
            left: 0;
            height: 3px;
            background: rgba(255, 255, 255, 0.4);
            width: 100%;
            transform: scaleX(1);
            transform-origin: left;
            transition: transform 5s linear;
        }
        
        /* Modal */
        .ns-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.75);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        
        .ns-modal-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        
        .ns-modal {
            background: white;
            border-radius: 20px;
            padding: 30px;
            max-width: 450px;
            width: 90%;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            transform: scale(0.9);
            opacity: 0;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        
        .ns-modal-overlay.show .ns-modal {
            transform: scale(1);
            opacity: 1;
        }
        
        .ns-modal-title {
            font-size: 24px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
            color: #2c3e50;
        }
        
        .ns-modal-message {
            text-align: center;
            margin-bottom: 25px;
            color: #7f8c8d;
            line-height: 1.5;
        }
        
        .ns-modal-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
        }
        
        /* Toast */
        .ns-toast {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(120px);
            background: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(8px);
            color: white;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 500;
            opacity: 0;
            transition: transform 0.4s ease, opacity 0.4s ease;
            z-index: 1000;
            text-align: center;
        }
        
        .ns-toast.show {
            transform: translateX(-50%) translateY(0);
            opacity: 1;
        }