style.css

/* Custom styles for Claude Chat Interface - Dark Mode */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #60A5FA;
    --primary-hover: #3B82F6;
    --success-color: #34D399;
    --error-color: #F87171;
    --warning-color: #FBBF24;
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --border-color: #374151;
    --bg-secondary: #1F2937;
    --bg-tertiary: #111827;
    --message-user-bg: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
}

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

body {
    overscroll-behavior: contain;
    background: var(--bg-tertiary);
}

/* Update Tailwind background class */
body.bg-gray-50 {
    background: var(--bg-tertiary) !important;
}
/* Message Styles */
.message {
    animation: messageSlideIn 0.3s ease-out;
    transition: all 0.2s ease;
}

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

.message-user {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    margin-left: auto;
    max-width: 70%;
    border-radius: 18px 18px 4px 18px;
}
.message-assistant {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    margin-right: auto;
    max-width: 85%;
    border-radius: 18px 18px 18px 4px;
}

.message-system {
    background: var(--bg-secondary);
    border-left: 3px solid var(--warning-color);
    color: var(--text-primary);
    text-align: center;
    max-width: 100%;
    border-radius: 8px;
}
.message-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.message-content {
    line-height: 1.6;
    word-wrap: break-word;
}

/* Markdown Styles */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    font-weight: 600;
    margin: 1rem 0 0.5rem;
}

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

.message-content p {
    margin: 0.75rem 0;
}

.message-content ul,
.message-content ol {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
}

.message-content li {
    margin: 0.25rem 0;
}
.message-content code {
    background: #374151;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.875em;
    color: #FBBF24;
}

.message-content pre {
    background: #111827;
    color: #F9FAFB;
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
}

.message-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}
.message-content a {
    color: var(--primary-color);
    text-decoration: underline;
    transition: color 0.2s;
}

.message-content a:hover {
    color: var(--primary-hover);
}

/* Textarea Styles */
#messageInput {
    min-height: 44px;
    max-height: 150px;
    scrollbar-width: thin;
    scrollbar-color: #CBD5E1 transparent;
}

#messageInput::-webkit-scrollbar {
    width: 6px;
}

#messageInput::-webkit-scrollbar-track {
    background: transparent;
}

#messageInput::-webkit-scrollbar-thumb {
    background-color: #CBD5E1;
    border-radius: 3px;
}

#messageInput:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Chat Container Scrollbar */
#chatContainer {
    scrollbar-width: thin;
    scrollbar-color: #CBD5E1 transparent;
}

#chatContainer::-webkit-scrollbar {
    width: 8px;
}

#chatContainer::-webkit-scrollbar-track {
    background: transparent;
}

#chatContainer::-webkit-scrollbar-thumb {
    background-color: #CBD5E1;
    border-radius: 4px;
}

#chatContainer::-webkit-scrollbar-thumb:hover {
    background-color: #9CA3AF;
}

/* Button States */
.btn-primary:active:not(:disabled) {
    transform: scale(0.95);
}

.btn-secondary:active:not(:disabled) {
    transform: scale(0.95);
}

/* Mobile Responsive Adjustments */
@media (max-width: 767px) {
    .message-user {
        max-width: 85%;
    }
    
    .message-assistant {
        max-width: 90%;
    }
    
    #examplesSection .flex-wrap {
        flex-direction: column;
    }
    
    #examplesSection button {
        width: 100%;
        justify-content: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles for Accessibility */
button:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading Animation */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    animation: loadingBounce 1.4s infinite ease-in-out both;
}

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

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

@keyframes loadingBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}
/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #374151;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    margin-bottom: 0.5rem;
}

.tooltip:hover::before {
    opacity: 1;
}

/* Selection highlight */
::selection {
    background-color: rgba(96, 165, 250, 0.3);
}

/* Dark mode specific styles */
.bg-white {
    background-color: var(--bg-secondary) !important;
}

.text-gray-700 {
    color: var(--text-primary) !important;
}

.text-gray-500 {
    color: var(--text-secondary) !important;
}

.border-gray-200 {
    border-color: var(--border-color) !important;
}

.border-gray-300 {
    border-color: var(--border-color) !important;
}

.hover\:bg-gray-100:hover {
    background-color: var(--bg-secondary) !important;
}

.hover\:bg-gray-50:hover {
    background-color: var(--bg-tertiary) !important;
}

.hover\:border-gray-300:hover {
    border-color: var(--border-color) !important;
}

.placeholder-gray-400::placeholder {
    color: var(--text-secondary) !important;
}

.focus\:border-blue-500:focus {
    border-color: var(--primary-color) !important;
}

.focus\:ring-blue-200:focus {
    --tw-ring-color: rgba(96, 165, 250, 0.2) !important;
}

.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.3) !important;
}

/* Chat container dark mode */
#chatContainer {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

/* Input area dark mode */
#messageInput {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

#messageInput:focus {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* Example buttons dark mode */
.example-btn {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.example-btn:hover {
    background: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
}

/* Typing indicator dark mode */
#typingIndicator {
    color: var(--text-secondary) !important;
}

/* Character counter dark mode */
#charCounter {
    color: var(--text-secondary) !important;
}

/* Scroll to bottom button dark mode */
#scrollToBottom {
    background: var(--primary-color) !important;
}

#scrollToBottom:hover {
    background: var(--primary-hover) !important;
}

/* Send and Stream buttons */
#sendBtn, #streamBtn {
    background: var(--primary-color) !important;
}

#sendBtn:hover, #streamBtn:hover {
    background: var(--primary-hover) !important;
}

#streamBtn {
    background: var(--success-color) !important;
}

#streamBtn:hover {
    background: #10B981 !important;
}