/* Custom styles and animations */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* {
    font-family: 'Inter', sans-serif;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #1f2937;
}

::-webkit-scrollbar-thumb {
    background: #4b5563;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* Message animations */
.message-enter {
    animation: messageEnter 0.3s ease-out;
}

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

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: #374151;
    border-radius: 1rem;
    width: fit-content;
}

.typing-indicator span {
    height: 8px;
    width: 8px;
    background-color: #9ca3af;
    border-radius: 50%;
    display: inline-block;
    margin: 0 2px;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Quick action buttons */
.quick-action-btn {
    background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    border: 1px solid #6b7280;
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
}

.quick-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: #3b82f6;
}

/* Suggestion chips */
.suggestion-chip {
    background: #374151;
    border: 1px solid #4b5563;
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.suggestion-chip:hover {
    background: #4b5563;
    border-color: #3b82f6;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pulse animation for AI avatar */
.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .5;
    }
}

/* Message bubbles */
.user-message {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 1rem 1rem 0 1rem;
    padding: 1rem;
    max-width: 80%;
    word-wrap: break-word;
}

.ai-message {
    background: #374151;
    border-radius: 1rem 1rem 1rem 0;
    padding: 1rem;
    max-width: 80%;
    word-wrap: break-word;
}

/* Code blocks */
.code-block {
    background: #1f2937;
    border: 1px solid #374151;
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
}

.code-block code {
    color: #f3f4f6;
    font-family: 'Fira Code', 'Courier New', monospace;
}

/* Image previews */
.image-preview {
    max-width: 300px;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .user-message, .ai-message {
        max-width: 90%;
    }
    
    .quick-action-btn {
        padding: 1rem;
    }
}