/* 🌈 Enhanced Chat Styling */
.chat-fade-in {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-typing {
    animation: typing 1.5s infinite;
}

@keyframes typing {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.5; }
}

.notification-bounce {
    animation: bounce 0.6s;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.gradient-text {
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* 📱 Mobile responsiveness */
@media (max-width: 768px) {
    .chat-container {
        height: 90vh !important;
    }
    
    .chat-messages {
        height: 70vh !important;
    }
    
    .message-bubble {
        max-width: 90% !important;
    }
    
    .participant-badge {
        font-size: 0.7rem !important;
        padding: 0.125rem 0.5rem !important;
    }
}

/* 🎭 Dark mode support */
@media (prefers-color-scheme: dark) {
    .chat-container {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .chat-messages {
        background: rgba(44, 62, 80, 0.9);
    }
    
    .message-bubble.technician {
        background: linear-gradient(145deg, #27ae60, #229954);
    }
    
    .chat-item {
        background: rgba(52, 73, 94, 0.95);
        color: #ecf0f1;
    }
}