/* Kimeru GPT - Professional Grant-Ready Styles */

:root {
    /* Microsoft-inspired color palette */
    --primary-color: #0078D4;
    --primary-dark: #005A9E;
    --primary-light: #40E0D0;
    --secondary-color: #107C10;
    --accent-color: #FFB900;
    --danger-color: #D13438;
    --success-color: #107C10;

    /* Neutral colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F3F2F1;
    --bg-tertiary: #FAF9F8;
    --bg-card: #FFFFFF;
    --border-color: #EDEBE9;
    --border-light: #E1DFDD;

    /* Text colors */
    --text-primary: #323130;
    --text-secondary: #605E5C;
    --text-tertiary: #A19F9D;
    --text-inverse: #FFFFFF;

    /* Shadows and effects */
    --shadow-sm: 0 1.6px 3.6px 0 rgba(0,0,0,0.132), 0 0.3px 0.9px 0 rgba(0,0,0,0.108);
    --shadow-md: 0 3.2px 7.2px 0 rgba(0,0,0,0.132), 0 0.6px 1.8px 0 rgba(0,0,0,0.108);
    --shadow-lg: 0 6.4px 14.4px 0 rgba(0,0,0,0.132), 0 1.2px 3.6px 0 rgba(0,0,0,0.108);
    --shadow-xl: 0 25.6px 57.6px 0 rgba(0,0,0,0.22), 0 4.8px 14.4px 0 rgba(0,0,0,0.18);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #1F1F1F;
    --bg-secondary: #252423;
    --bg-tertiary: #323130;
    --bg-card: #2B2B2B;
    --border-color: #3B3A39;
    --border-light: #484644;
    --text-primary: #FFFFFF;
    --text-secondary: #D2D0CE;
    --text-tertiary: #A19F9D;
    --shadow-sm: 0 1.6px 3.6px 0 rgba(0,0,0,0.4);
    --shadow-md: 0 3.2px 7.2px 0 rgba(0,0,0,0.4);
    --shadow-lg: 0 6.4px 14.4px 0 rgba(0,0,0,0.4);
}

/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.main-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1920px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.language-btn:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.language-option:hover {
    background: var(--bg-secondary);
}

.flag {
    font-size: 1.2rem;
}

/* Theme & Settings Buttons */
.theme-toggle,
.settings-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover,
.settings-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Main Container */
.main-container {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    height: calc(100vh - 73px);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: var(--spacing-xl);
}

.sidebar-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stats-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.stat-label {
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Tools List */
.tools-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tool-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tool-item:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-inverse);
}

/* Phrases */
.phrase-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.phrase-btn:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.phrase-text {
    display: block;
    font-size: 0.813rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.phrase-translation {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
}

.chat-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-info h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.session-id {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.chat-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Messages Container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* Welcome Message */
.welcome-message {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.welcome-icon {
    margin-bottom: var(--spacing-lg);
}

.welcome-message h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-message p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.feature-card i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.welcome-hint {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Message Styles */
.message {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    animation: slideIn 0.3s ease;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-inverse);
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.message.assistant .message-avatar {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
}

.message-content {
    flex: 1;
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.message-sender {
    font-weight: 600;
    font-size: 0.875rem;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.message-text {
    color: var(--text-primary);
    line-height: 1.5;
}

/* Input Container */
.input-container {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

.typing-indicator {
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    color: var(--text-tertiary);
    font-size: 0.813rem;
}

.typing-indicator.active {
    display: flex;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--text-tertiary);
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.voice-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.voice-btn:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.voice-btn.active {
    background: var(--danger-color);
    color: var(--text-inverse);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(209, 52, 56, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(209, 52, 56, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(209, 52, 56, 0);
    }
}

.message-input {
    flex: 1;
    min-height: 40px;
    max-height: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    resize: none;
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.message-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
}

.send-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-inverse);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.send-btn:active {
    transform: translateY(0);
}

.input-hints {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Right Panel */
.right-panel {
    width: 320px;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.panel-section {
    margin-bottom: var(--spacing-xl);
}

.panel-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.context-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.context-card p {
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.context-highlight {
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.05), rgba(64, 224, 208, 0.05));
    border-left: 3px solid var(--primary-color);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-md);
    border-radius: var(--radius-sm);
}

.context-highlight h4 {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.activity-item i {
    color: var(--text-tertiary);
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.link-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.link-item:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.settings-group {
    margin-bottom: var(--spacing-xl);
}

.settings-group h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.toggle-setting {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.toggle-setting span {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--text-inverse);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

input[type="checkbox"]:checked + .toggle-slider {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

input[type="checkbox"]:checked + .toggle-slider::after {
    transform: translateX(20px);
}

input[type="checkbox"] {
    display: none;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-primary);
    border-top-color: var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

/* Mobile-First Responsive Design */

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

.sidebar.active {
    transform: translateX(0) !important;
}

#sidebarOverlay.active {
    display: block;
}

/* Touch-friendly tap targets */
@media (max-width: 768px) {
    button, .btn, .action-btn {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Responsive breakpoints */
@media (max-width: 1400px) {
    .right-panel {
        display: none;
    }
}

@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    /* Header mobile styles */
    .header-container {
        padding: 0.75rem;
    }

    .logo-text h1 {
        font-size: 1.125rem;
    }

    .logo-text .tagline {
        display: none;
    }

    .language-selector .language-btn {
        padding: 0.5rem;
        font-size: 0.875rem;
    }

    /* Chat container mobile optimization */
    .chat-container {
        width: 100%;
        height: calc(100vh - 60px);
    }

    /* Messages mobile optimization */
    .messages-container {
        padding: 1rem;
    }

    .message {
        max-width: 100%;
        font-size: 0.875rem;
    }

    .message-content {
        padding: 0.75rem;
    }

    /* Input area mobile optimization */
    .input-container {
        padding: 0.75rem;
    }

    #messageInput {
        min-height: 60px;
        max-height: 120px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Welcome message mobile */
    .welcome-message {
        padding: 2rem 1rem;
    }

    .welcome-message h3 {
        font-size: 1.5rem;
    }

    .welcome-message p {
        font-size: 0.875rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .feature-card {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    /* Tools and stats mobile */
    .stats-card {
        padding: 0.75rem;
    }

    .tool-item, .phrase-btn {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    /* Modal mobile optimization */
    .modal-content {
        width: 95%;
        max-width: 100%;
        margin: 1rem;
        max-height: 90vh;
    }

    /* Hide non-essential elements */
    .activity-list {
        display: none;
    }

    .header-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .logo-text h1 {
        font-size: 1.25rem;
    }

    .tagline {
        display: none;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* Markdown Content Styles */
.markdown-content {
    line-height: 1.6;
    word-wrap: break-word;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    line-height: 1.25;
}

.markdown-content h1 { font-size: 1.875rem; }
.markdown-content h2 { font-size: 1.5rem; }
.markdown-content h3 { font-size: 1.25rem; }
.markdown-content h4 { font-size: 1.125rem; }
.markdown-content h5 { font-size: 1rem; }
.markdown-content h6 { font-size: 0.875rem; }

.markdown-content p {
    margin-bottom: 1rem;
}

.markdown-content ul,
.markdown-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

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

.markdown-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--text-secondary);
    font-style: italic;
    background: var(--bg-secondary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
}

.markdown-content code {
    background: #2d2d2d;
    color: #e06c75;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
}

.markdown-content pre {
    position: relative;
    background: #1e1e1e;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    overflow-x: auto;
}

.markdown-content pre code {
    display: block;
    background: transparent;
    padding: 1rem;
    color: #d4d4d4;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Copy button for code blocks */
.copy-code-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    color: #d4d4d4;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

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

/* Table styles */
.markdown-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
    overflow-x: auto;
    display: block;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    text-align: left;
}

.markdown-content th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.markdown-content tr:nth-child(even) {
    background: var(--bg-tertiary);
}

/* Links in markdown */
.markdown-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

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

/* Horizontal rule */
.markdown-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

/* Images in markdown */
.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1rem 0;
}

/* Dark mode adjustments */
[data-theme="dark"] .markdown-content code {
    background: #2d2d2d;
    color: #e06c75;
}

[data-theme="dark"] .markdown-content blockquote {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}