/* Custom Scrollbar */
.scrollbar-thin::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.scrollbar-thin::-webkit-scrollbar-track {
    background: transparent;
}

.scrollbar-thin::-webkit-scrollbar-thumb {
    background-color: rgb(209 213 219);
    border-radius: 20px;
}

.dark .scrollbar-thin::-webkit-scrollbar-thumb {
    background-color: rgb(75 85 99);
}

/* Gradient Text Utilities */
.gradient-text {
    background: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.dark .glass {
    background: rgba(17, 24, 39, 0.7);
}

/* Message Animations */
.message-enter {
    animation: slideUp 0.3s ease-out forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Typing Indicator Dots */
.typing-dot {
    animation: typing 1.4s infinite ease-in-out both;
}

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

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

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

/* Code Block Styling */
pre {
    background: #1e1e2e;
    border-radius: 0.75rem;
    padding: 1rem;
    overflow-x: auto;
    position: relative;
    margin: 0.5rem 0;
}

code {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.hljs {
    background: transparent !important;
    padding: 0 !important;
}

.code-block-wrapper {
    position: relative;
    margin: 1rem 0;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: #2d2d3d;
    border-top-left-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
    border-bottom: 1px solid #3e3e50;
}

.code-header + pre {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    margin-top: 0;
}

.copy-code-btn {
    padding: 0.25rem 0.75rem;
    background: rgba(255,255,255,0.1);
    border-radius: 0.375rem;
    font-size: 0.75rem;
    color: #9ca3af;
    transition: all 0.2s;
}

.copy-code-btn:hover {
    background: rgba(255,255,255,0.2);
    color: white;
}

.copy-code-btn.copied {
    background: #10b981;
    color: white;
}

/* Markdown Content Styling */
.markdown-content h1, 
.markdown-content h2, 
.markdown-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.markdown-content h1 { font-size: 1.5rem; }
.markdown-content h2 { font-size: 1.25rem; }
.markdown-content h3 { font-size: 1.125rem; }

.markdown-content p {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.markdown-content ul, 
.markdown-content ol {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
}

.markdown-content li {
    margin-bottom: 0.25rem;
}

.markdown-content blockquote {
    border-left: 4px solid #8b5cf6;
    padding-left: 1rem;
    margin: 1rem 0;
    color: #6b7280;
    font-style: italic;
}

.markdown-content a {
    color: #8b5cf6;
    text-decoration: underline;
}

.dark .markdown-content blockquote {
    color: #9ca3af;
}

/* Input Area Auto-resize */
textarea {
    min-height: 24px;
    field-sizing: content;
}

/* Sidebar Transition */
.sidebar-transition {
    transition: transform 0.3s ease-in-out;
}

/* Glow Effects */
.glow-primary {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.glow-secondary {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}

/* Loading Shimmer */
.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}