/*
 * ============================================================================
 * Discourse Archiver - Default Theme with Light/Dark Toggle
 * ============================================================================
 *
 * Features:
 * - No JavaScript required - fully static and offline-viewable
 * - CSS-only light/dark theme toggle (dark default, light optional)
 * - Mobile-responsive design with breakpoints
 * - WCAG AA accessibility compliant
 * - CSS-only sidebar navigation and dropdowns
 * - Clean, modern aesthetic
 *
 * Theme System:
 * - Default theme: Dark (unchecked checkbox)
 * - Light theme: Activated by checking the #theme-toggle checkbox
 * - Uses CSS variables for easy customization
 *
 * Version: 2.0
 * ============================================================================
 */

/* ============================================================================
 * Inter Font - Locally served for offline viewing
 * ============================================================================ */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/InterVariable.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/InterVariable-Italic.woff2') format('woff2');
}

/* ============================================================================
 * Theme Variables - Dark Theme (Default)
 * ============================================================================ */
:root {
    /* Core Colors - Dark Theme */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-dark: #1d4ed8;
    --text-color: #f8f9fa;
    --text-muted: rgba(255, 255, 255, 0.7);
    --bg-color: #1a1a1a;
    --bg-secondary: rgba(30, 41, 59, 0.9);
    --bg-tertiary: #343a40;
    --border-color: rgba(59, 130, 246, 0.2);
    --hover-bg: rgba(59, 130, 246, 0.1);

    /* Card & Surface Colors */
    --card-bg: rgba(30, 41, 59, 0.95);
    --card-border: rgba(59, 130, 246, 0.25);
    --gray-light: #343a40;

    /* Code Block Colors */
    --code-bg: #4E5D6C;
    --code-border: #4E5D6C;
    --code-text: #f8f9fa;

    /* Link Colors */
    --link-color: #60a5fa;
    --link-hover: #93c5fd;

    /* Accent Colors */
    --success-color: #10b981;
    --warning-color: #fbbf24;
    --danger-color: #ef4444;
    --info-color: #3b82f6;

    /* Gray Scale - for dark theme */
    --gray-medium: rgba(255, 255, 255, 0.7);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --gradient-secondary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-navbar: linear-gradient(135deg, #1e293b 0%, #334155 100%);

    /* Shadows with blur effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-primary: 0 4px 15px rgba(59, 130, 246, 0.4);
    --shadow-hover: 0 8px 30px rgba(59, 130, 246, 0.25);

    /* Layout */
    --header-height: 64px;

    /* Focus Indicators */
    --focus-color: #3b82f6;
}

/* ============================================================================
 * Light Theme - Activated when #theme-toggle is checked
 * ============================================================================ */
#theme-toggle:checked ~ *,
#theme-toggle:checked ~ * * {
    /* Core Colors - Light Theme */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-dark: #1e40af;
    --text-color: #2c3e50;
    --text-muted: rgba(0, 0, 0, 0.6);
    --bg-color: #ffffff;
    --bg-secondary: rgba(255, 255, 255, 0.9);
    --bg-tertiary: #e9ecef;
    --border-color: rgba(102, 126, 234, 0.15);
    --hover-bg: rgba(102, 126, 234, 0.1);

    /* Card & Surface Colors */
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(102, 126, 234, 0.15);
    --gray-light: #f9f9f9;

    /* Code Block Colors */
    --code-bg: #f8f9fa;
    --code-border: #dee2e6;
    --code-text: #212529;

    /* Link Colors */
    --link-color: #1e40af;
    --link-hover: #1e3a8a;

    /* Gray Scale - for light theme */
    --gray-medium: rgba(0, 0, 0, 0.6);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    --gradient-secondary: linear-gradient(135deg, #2563eb 0%, #1e3a8a 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-navbar: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);

    /* Shadows with blur effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-primary: 0 4px 15px rgba(59, 130, 246, 0.4);
    --shadow-hover: 0 8px 30px rgba(102, 126, 234, 0.15);
}

/* ============================================================================
 * Theme Toggle - CSS-only implementation
 * ============================================================================ */

/* Hide the checkbox */
#theme-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Theme Toggle Button Styling */
.theme-toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    cursor: pointer;
    user-select: none;
    min-height: 44px;
    min-width: 44px;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.theme-toggle-label:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.theme-toggle-label:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

/* Theme Toggle Icon */
.theme-icon {
    font-size: 1.2rem;
}

/* Show moon (dark mode indicator) by default */
.theme-icon-dark {
    display: inline;
}

.theme-icon-light {
    display: none;
}

/* Show sun (light mode indicator) when checked */
#theme-toggle:checked ~ * .theme-icon-dark,
#theme-toggle:checked ~ * * .theme-icon-dark {
    display: none;
}

#theme-toggle:checked ~ * .theme-icon-light,
#theme-toggle:checked ~ * * .theme-icon-light {
    display: inline;
}

/* Change toggle button appearance in light mode */
#theme-toggle:checked ~ * .theme-toggle-label,
#theme-toggle:checked ~ * * .theme-toggle-label {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--text-color);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

#theme-toggle:checked ~ * .theme-toggle-label:hover,
#theme-toggle:checked ~ * * .theme-toggle-label:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ============================================================================
 * Base Styles
 * ============================================================================ */

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

html {
    background-color: #0c0c0c;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-color);
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Light theme - update html and body background when checkbox is checked */
html:has(#theme-toggle:checked) {
    background-color: #f5f7fa;
}

body:has(#theme-toggle:checked) {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* Accessibility Utilities */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-dark);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    font-weight: bold;
}

.skip-link:focus {
    top: 0;
}

/* Link Accessibility */
a {
    color: var(--link-color);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover {
    color: var(--link-hover);
    text-decoration-thickness: 2px;
}

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
}

/* ============================================================================
 * Header
 * ============================================================================ */
.site-header {
    background: var(--gradient-navbar) !important;
    color: white;
    padding: 1rem 0;
    margin-bottom: 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border-bottom: none;
}

/* Light theme header adjustments */
body:has(#theme-toggle:checked) .site-header {
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-header .header-branding {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-header .header-logo {
    height: 32px;
    width: auto;
    border-radius: 4px;
}

.site-header .header-site-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: bold;
}

.site-header .header-site-title a {
    color: white;
    text-decoration: none;
}

.site-header nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-header nav a {
    color: white;
    text-decoration: none;
    margin-left: 0.5rem;
    padding: 0.75rem 1rem;
    display: inline-block;
    min-height: 44px;
    line-height: 1.2;
    border-radius: 6px;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.site-header nav a:hover {
    background: rgba(96, 165, 250, 0.1);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(96, 165, 250, 0.2);
    color: #60a5fa;
}

.site-header nav a:active {
    transform: translateY(0px);
    background: rgba(96, 165, 250, 0.2);
    box-shadow: 0 1px 4px rgba(96, 165, 250, 0.3);
}

/* ============================================================================
 * Footer
 * ============================================================================ */
.site-footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--gray-medium);
}

/* ============================================================================
 * Breadcrumb
 * ============================================================================ */
.breadcrumb {
    margin-bottom: 1rem;
    color: var(--gray-medium);
    font-size: 0.9rem;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ============================================================================
 * Statistics
 * ============================================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ============================================================================
 * Category Grid
 * ============================================================================ */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.category-card h4 {
    margin-bottom: 0.5rem;
}

.category-card h4 a {
    color: var(--text-color);
    text-decoration: none;
}

.category-card h4 a:hover {
    color: var(--primary-color);
}

.category-description {
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.category-meta {
    font-size: 0.85rem;
    color: var(--gray-medium);
}

/* Category Header */
.category-header {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.category-stats {
    margin-top: 0.5rem;
    color: var(--gray-medium);
    font-size: 0.9rem;
}

/* ============================================================================
 * Topic list
 * ============================================================================ */
.topic-list,
.topic-list ul,
.topic-list ol {
    list-style: none;
    padding-left: 0;
}

.topic-card {
    padding: 1.5rem;
    border: 1px solid var(--card-border);
    margin-bottom: 1rem;
    overflow: hidden;
    border-radius: 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow-lg);
}

.topic-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.topic-card h3, .topic-card h4 {
    margin-bottom: 0.5rem;
}

.topic-card a {
    color: var(--text-color);
    text-decoration: none;
}

.topic-card a:hover {
    color: var(--primary-color);
}

.topic-meta {
    color: var(--gray-medium);
    font-size: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.topic-meta span {
    margin-right: 0.5rem;
}

/* Topic Category Badge */
.topic-category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.topic-category-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    opacity: 0.9;
}

.topic-category-badge:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

/* Navigation Icon (for search magnifying glass) */
.nav-icon {
    font-size: 1.2rem;
    padding: 0.5rem 1rem !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
}

/* Active Navigation State */
.active-nav {
    background: rgba(96, 165, 250, 0.2) !important;
    border-bottom: 2px solid var(--primary-color);
}

/* Topic Header */
.topic-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.topic-header h1 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
    color: var(--text-color);
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* ============================================================================
 * Post
 * ============================================================================ */
.post {
    padding: 1.5rem;
    border: 1px solid var(--card-border);
    margin-bottom: 1rem;
    border-radius: 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.post-author-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.post-author-info {
    display: flex;
    flex-direction: column;
}

.post-author-info strong {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
}

.post-author {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
}

.post-author strong {
    color: var(--primary-color);
}

.post-meta {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.post-number {
    font-weight: bold;
    color: var(--primary-color);
}

/* Post number links - link to original Discourse post */
a.post-number {
    text-decoration: none;
    font-weight: bold;
    color: var(--primary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

a.post-number:hover {
    background: var(--hover-bg);
    color: var(--link-hover);
    text-decoration: none;
    transform: translateY(-1px);
}

a.post-number:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

a.post-number:active {
    transform: translateY(0);
}

.post-edited {
    font-style: italic;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.post-content {
    line-height: 1.6;
    color: var(--text-color);
    overflow-wrap: break-word;
    word-wrap: break-word;
    min-width: 0;
}

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

/* Lists - restore padding stripped by global reset */
.post-content ul {
    padding-left: 2em;
    margin-bottom: 1rem;
    list-style-type: disc;
}

.post-content ol {
    padding-left: 2.5em;
    margin-bottom: 1rem;
    list-style-type: decimal;
}

.post-content li {
    margin-bottom: 0.35rem;
    line-height: 1.6;
}

.post-content li > ul,
.post-content li > ol {
    margin-top: 0.35rem;
    margin-bottom: 0;
}

/* Headings within post content */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.post-content h1 { font-size: 1.6rem; }
.post-content h2 { font-size: 1.4rem; }
.post-content h3 { font-size: 1.2rem; }
.post-content h4 { font-size: 1.1rem; }

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

/* Tables */
.post-content table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.post-content th,
.post-content td {
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    text-align: left;
}

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

.post-content tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.03);
}

/* Discourse hashtag SVG icons - sprites unavailable in archive */
.post-content .hashtag-icon-placeholder svg {
    width: 0.75em;
    height: 0.75em;
    vertical-align: middle;
}

.post-content code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
    border: 1px solid var(--code-border);
}

.post-content pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin-bottom: 1rem;
    border: 1px solid var(--code-border);
}

.post-content blockquote {
    border-left: 4px solid var(--border-color);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--gray-medium);
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1rem 0;
}

/* Clickable Image Links - Full Resolution Viewer */
a.discourse-image-link {
    display: inline-block;
    position: relative;
    line-height: 0;
    text-decoration: none;
    border: none;
    margin: 1rem 0;
}

a.discourse-image-link img {
    cursor: zoom-in;
    display: block;
}

a.discourse-image-link:hover img {
    opacity: 0.9;
    transform: scale(1.01);
}

/* Zoom icon indicator on hover */
a.discourse-image-link::after {
    content: '🔍';
    position: absolute;
    top: 12px;
    right: 12px;
    opacity: 0;
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

a.discourse-image-link:hover::after {
    opacity: 1;
}

/* Focus state for accessibility */
a.discourse-image-link:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
    border-radius: 4px;
}

a.discourse-image-link:focus::after {
    opacity: 1;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

/* Avatar size variants */
.avatar-post {
    width: 40px;
    height: 40px;
}

.avatar-small {
    width: 32px;
    height: 32px;
}

.avatar-large {
    width: 64px;
    height: 64px;
}

/* Avatar placeholder styling */
.avatar-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    font-weight: bold;
    font-size: 1rem;
    border: 2px solid var(--card-border);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.avatar-placeholder.avatar-post {
    font-size: 0.9rem;
}

.avatar-placeholder.avatar-small {
    font-size: 0.85rem;
}

.avatar-placeholder.avatar-large {
    font-size: 1.5rem;
}

/* ============================================================================
 * Pagination
 * ============================================================================ */
.pagination {
    margin: 2rem 0;
}

.pagination-info {
    text-align: center;
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.pagination-info-bottom {
    text-align: center;
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Pagination buttons - arrows */
.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    min-width: 44px;
    min-height: 44px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.page-btn:hover:not(.disabled) {
    background: var(--hover-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--primary-color);
}

.page-btn:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Numbered page buttons */
.page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    min-width: 44px;
    min-height: 44px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.page-num:hover {
    background: var(--hover-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--primary-color);
}

.page-num:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

/* Current page */
.page-current {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-primary);
    cursor: default;
    pointer-events: none;
}

/* Page ellipsis */
.page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    min-width: 30px;
    color: var(--gray-medium);
    font-size: 1rem;
    user-select: none;
}

.page-ellipsis.hidden {
    visibility: hidden;
}

/* Pagination bottom variant */
.pagination-bottom {
    margin-top: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

/* ============================================================================
 * Search Page
 * ============================================================================ */
.search-page {
    max-width: 800px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.search-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text-color);
}

.search-input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.search-button {
    padding: 0.875rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    min-height: 44px;
    min-width: 44px;
    box-shadow: var(--shadow-primary);
}

.search-button:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.search-button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.search-results {
    min-height: 200px;
}

/* Search error message */
.search-error {
    background-color: var(--danger-color);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.search-error p {
    margin: 0;
}

/* Results count */
.results-count {
    color: var(--gray-medium);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* No results message */
.no-results {
    color: var(--gray-medium);
    text-align: center;
    padding: 2rem;
    font-style: italic;
}

.search-hint {
    color: var(--gray-medium);
    text-align: center;
    padding: 2rem;
}

.search-result {
    padding: 1.5rem;
    border: 1px solid var(--card-border);
    margin-bottom: 1rem;
    border-radius: 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow-lg);
}

.search-result:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.search-result h3 {
    margin-bottom: 0.5rem;
}

.search-result a {
    color: var(--text-color);
    text-decoration: none;
}

.search-result a:hover {
    color: var(--primary-color);
}

.search-result .excerpt {
    color: var(--gray-medium);
    margin-bottom: 0.5rem;
}

.search-result .meta {
    font-size: 0.85rem;
    color: var(--gray-medium);
}

/* Search section headers */
.search-section {
    margin-bottom: 2rem;
}

.search-section-title {
    font-size: 1.1rem;
    color: var(--gray-medium);
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* Result type badges */
.result-type-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.topic-badge {
    background-color: var(--primary-color);
    color: white;
}

.original-badge {
    background-color: #059669;
    color: white;
}

.reply-badge {
    background-color: #6b7280;
    color: white;
}

/* Search result type styling */
.search-result-topic {
    border-left: 3px solid var(--primary-color);
}

.search-result-original {
    border-left: 3px solid #059669;
}

.search-result-reply {
    border-left: 3px solid #6b7280;
}

/* Results breakdown text */
.results-breakdown {
    font-size: 0.85em;
    color: var(--gray-light);
}

/* ============================================================================
 * Hero Banner (Index Page)
 * ============================================================================ */
.hero-banner {
    margin-bottom: 3rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.banner-image-container {
    width: 100%;
    max-height: 300px;
    overflow: hidden;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
}

.banner-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.hero-content {
    padding: 2rem;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--gray-medium);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============================================================================
 * About Page
 * ============================================================================ */
.about-page {
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 2rem;
}

.about-header {
    text-align: center;
    margin-bottom: 3rem;
}

.about-header .banner-image {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.about-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-header .description {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.about-header .archive-note {
    color: var(--gray-medium);
    font-style: italic;
    margin-top: 1rem;
}

.about-header .archive-note a {
    color: var(--primary-color);
    text-decoration: none;
}

.about-header .archive-note a:hover {
    text-decoration: underline;
}

/* Homepage header styles - matching about page styling */
.archive-header .description {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.archive-header .archive-note {
    color: var(--gray-medium);
    font-style: italic;
    margin-top: 1rem;
}

.archive-header .archive-note a {
    color: var(--primary-color);
    text-decoration: none;
}

.archive-header .archive-note a:hover {
    text-decoration: underline;
}

.about-page section {
    margin-bottom: 3rem;
}

.about-page section h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.about-page section h3 {
    margin-bottom: 0.75rem;
    color: var(--text-color);
    font-size: 1.2rem;
}

.about-page .section-description {
    color: var(--gray-medium);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.date-range,
.export-info {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1.5rem;
    box-shadow: var(--shadow-lg);
}

.date-range h3,
.export-info h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-color);
}

.date-range p,
.export-info p {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.contributor-list {
    list-style: none;
    padding: 0;
}

.contributor-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
}

.contributor-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: rgba(59, 130, 246, 0.3);
}

.contributor-username {
    font-weight: 600;
    color: var(--text-color);
}

.contributor-count {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.popular-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.category-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-md);
}

.category-item a {
    text-decoration: none;
    color: var(--text-color);
}

.category-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.category-item h4 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.category-item:hover h4 {
    color: var(--primary-color);
}

.category-topic-count {
    font-size: 0.9rem;
    color: var(--gray-medium);
    margin: 0;
}

.metadata-list {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.metadata-list dt {
    font-weight: 600;
    color: var(--text-color);
}

.metadata-list dd {
    color: var(--gray-medium);
    margin: 0;
}

.metadata-list a {
    color: var(--primary-color);
    text-decoration: none;
}

.metadata-list a:hover {
    text-decoration: underline;
}

.about-footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.about-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.about-footer a:hover {
    text-decoration: underline;
}

/* ============================================================================
 * Homepage Sections
 * ============================================================================ */
.homepage {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.homepage > section {
    margin-bottom: 4rem;
    padding-bottom: 3rem;
    border-bottom: 2px solid var(--border-color);
}

.homepage > section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.homepage .archive-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 0;
    border-bottom: none;
}

.homepage section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
    padding-bottom: 0.75rem;
}

.homepage section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.homepage .section-description {
    color: var(--gray-medium);
    font-size: 1rem;
    margin-bottom: 2rem;
    font-style: italic;
}

/* Statistics Section */
.homepage .statistics {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(102, 126, 234, 0.05) 100%);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    margin-bottom: 4rem;
    box-shadow: var(--shadow-lg);
}

/* Top Topics Section - Distinctive styling */
.homepage .top-topics {
    position: relative;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(102, 126, 234, 0.03) 100%);
    border-radius: 16px;
    border: 2px solid var(--card-border);
    box-shadow: var(--shadow-lg);
}

.homepage .top-topics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 16px 16px 0 0;
}

.homepage .top-topics h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Contributors Section */
.homepage .contributors-section {
    background: rgba(59, 130, 246, 0.02);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--card-border);
}

/* Recent Topics Section - Matching top topics styling for uniformity */
.homepage .recent-topics {
    position: relative;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(102, 126, 234, 0.03) 100%);
    border-radius: 16px;
    border: 2px solid var(--card-border);
    box-shadow: var(--shadow-lg);
}

.homepage .recent-topics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 16px 16px 0 0;
}

.homepage .recent-topics h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Section Header Links (Clickable Headers) */
.section-header-link {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-block;
}

.section-header-link:hover {
    color: var(--link-hover);
    text-decoration: none;
    transform: translateX(5px);
}

.section-header-link::after {
    content: ' →';
    opacity: 0;
}

.section-header-link:hover::after {
    opacity: 1;
}

/* Date Range Statistics Section */
.date-range-stats {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(102, 126, 234, 0.05) 100%);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    margin-bottom: 4rem;
    box-shadow: var(--shadow-lg);
}

.date-range-stats h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* Archive Information Section */
.archive-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(102, 126, 234, 0.03) 100%);
    padding: 2.5rem;
    border-radius: 16px;
    border: 2px solid var(--card-border);
    margin-top: 3rem;
    box-shadow: var(--shadow-lg);
}

.archive-info h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.info-item {
    background: var(--card-bg);
    padding: 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    color: var(--text-color);
}

.info-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(59, 130, 246, 0.3);
}

.info-item strong {
    color: var(--primary-color);
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}

/* Responsive adjustments for homepage */
@media (max-width: 768px) {
    .homepage > section {
        margin-bottom: 3rem;
        padding-bottom: 2rem;
    }

    .homepage .top-topics,
    .homepage .statistics,
    .homepage .contributors-section,
    .homepage .date-range-stats,
    .homepage .archive-info {
        padding: 1.5rem;
    }

    .homepage section h2 {
        font-size: 1.5rem;
    }

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

/* ============================================================================
 * Sidebar
 * ============================================================================ */
.sidebar {
    width: 280px;
    background: var(--bg-color);
    border-right: 1px solid var(--border-color);
    height: calc(100vh - var(--header-height, 64px));
    position: sticky;
    top: var(--header-height, 64px);
    overflow-y: auto;
    padding: 1.5rem 0;
}

.sidebar-content {
    padding: 0 1rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-section {
    margin-bottom: 0.25rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 4px;
    min-height: 44px;
}

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

.sidebar-icon {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

/* CSS-only Dropdowns */
.sidebar-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: none; /* Hide checkbox */
}

.dropdown-header {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    cursor: pointer;
    border-radius: 4px;
    user-select: none;
    min-height: 44px;
    color: var(--text-color);
}

.dropdown-header:hover {
    background: var(--hover-bg);
}

.dropdown-arrow {
    margin-left: auto;
    font-size: 0.8rem;
}

/* Rotate arrow when dropdown is open */
.dropdown-toggle:checked + .dropdown-header .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-content {
    max-height: 0;
    overflow: hidden;
}

/* Show dropdown when checkbox is checked */
.dropdown-toggle:checked ~ .dropdown-content {
    max-height: 500px;
}

.dropdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.95rem;
    border-radius: 4px;
    margin: 0.25rem 0;
    min-height: 44px;
}

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

.category-count,
.tag-count {
    font-size: 0.85rem;
    color: var(--gray-medium);
}

/* CSS-only sidebar toggle */
.sidebar-toggle-checkbox {
    display: none; /* Hide checkbox */
}

.sidebar-toggle {
    display: none; /* Hidden on desktop */
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.875rem 1rem;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    min-height: 44px;
    min-width: 44px;
}

.sidebar-toggle:hover {
    opacity: 0.9;
}

.sidebar-toggle:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Layout with sidebar */
.page-wrapper {
    display: block;
}

.page-wrapper.with-sidebar {
    display: flex;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.page-wrapper.with-sidebar .sidebar {
    flex-shrink: 0;
}

.page-wrapper.with-sidebar main {
    flex: 1;
    min-width: 0; /* Prevents flex item from overflowing */
    padding: 0 2rem;
}

/* ============================================================================
 * Responsive Design
 * ============================================================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }

    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .site-header .header-branding {
        flex-wrap: wrap;
    }

    .site-header h1 {
        font-size: 1.25rem;
    }

    .site-header nav {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .site-header nav a:first-child {
        margin-left: 0;
    }

    /* Make theme toggle more compact on mobile */
    .theme-toggle-label {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        min-width: 40px;
        min-height: 40px;
    }

    /* Hero banner responsive */
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-content {
        padding: 1.5rem 1rem;
    }

    .banner-image-container {
        max-height: 200px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .popular-categories {
        grid-template-columns: 1fr;
    }

    .metadata-list {
        grid-template-columns: 1fr;
    }

    .post {
        padding: 1rem;
    }

    .post-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .post-author-section {
        gap: 0.5rem;
    }

    .avatar-post {
        width: 36px;
        height: 36px;
    }

    .post-content pre {
        font-size: 0.8rem;
        padding: 0.75rem;
    }

    .post-content table {
        font-size: 0.85rem;
        display: block;
        overflow-x: auto;
    }

    .search-box {
        flex-direction: column;
    }

    .topic-card {
        padding: 1rem;
    }

    /* Pagination responsive */
    .pagination-controls {
        font-size: 0.9rem;
    }

    .page-btn,
    .page-num {
        min-width: 40px;
        min-height: 40px;
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
    }

    /* Mobile sidebar - off-canvas */
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px; /* Hidden by default */
        width: 280px;
        height: 100vh;
        z-index: 1000;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    }

    /* Show sidebar when checkbox is checked */
    .sidebar-toggle-checkbox:checked ~ .page-wrapper .sidebar {
        left: 0;
    }

    /* Sidebar overlay - shown when checkbox is checked */
    .sidebar-toggle-checkbox:checked ~ .page-wrapper::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    /* Show mobile toggle label */
    .sidebar-toggle {
        display: block;
    }

    /* Adjust layout to single column */
    .page-wrapper.with-sidebar {
        flex-direction: column;
    }

    /* Make main content full width on mobile */
    .page-wrapper.with-sidebar main {
        width: 100%;
        padding: 0 1rem;
    }
}

/* ============================================================================
 * User Pages
 * ============================================================================ */

/* User Profile Header */
.user-profile {
    max-width: 900px;
    margin: 0 auto;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.user-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
}

.user-header .avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.user-header h1 {
    margin: 0;
    font-size: 2rem;
    color: var(--text-color);
}

.user-header .real-name {
    color: var(--gray-medium);
    font-size: 1.1rem;
    margin: 0.25rem 0;
}

.user-header .user-stats {
    color: var(--gray-medium);
    font-size: 0.95rem;
    margin: 0.5rem 0 0 0;
}

/* User Posts Section */
.user-posts {
    margin-top: 2rem;
}

.user-posts h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.user-post-list {
    list-style: none;
    padding: 0;
}

.user-post-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.user-post-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.user-post-header h3 {
    margin: 0 0 0.75rem 0;
    font-size: 1.2rem;
}

.user-post-header h3 a {
    color: var(--text-color);
    text-decoration: none;
}

.user-post-header h3 a:hover {
    color: var(--primary-color);
}

.user-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    font-size: 0.9rem;
    color: var(--gray-medium);
    margin-bottom: 1rem;
}

.user-post-excerpt {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 0.95rem;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* User Index Page */
.user-index-page {
    max-width: 900px;
    margin: 0 auto;
}

.index-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.index-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.index-description {
    color: var(--gray-medium);
    font-size: 1rem;
    font-style: italic;
}

.users-list {
    margin: 2rem 0;
}

/* User Info in List */
.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar-small {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.avatar-placeholder-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    font-weight: bold;
    font-size: 1rem;
    border: 2px solid var(--card-border);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.user-real-name {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

/* Update contributor-username to work as link */
a.contributor-username {
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
}

a.contributor-username:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* Mobile Responsive for User Pages */
@media (max-width: 768px) {
    .user-header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .user-header h1 {
        font-size: 1.5rem;
    }

    .user-info {
        flex-direction: column;
        text-align: center;
    }

    .user-details {
        align-items: center;
    }

    .user-post-card {
        padding: 1rem;
    }

    .user-post-meta {
        font-size: 0.85rem;
    }
}

/* Post author link styling */
.post-author-link {
    color: var(--primary-color);
    text-decoration: none;
}

.post-author-link:hover {
    color: var(--link-hover);
    text-decoration: none;
}

.post-author-info strong a.post-author-link {
    color: inherit;
}

.post-author-info strong a.post-author-link:hover {
    color: var(--link-hover);
}

/* Avatar link styling */
.avatar-link {
    text-decoration: none;
    display: inline-block;
}

.avatar-link:hover {
    transform: scale(1.05);
    text-decoration: none;
}

.avatar-link:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
    border-radius: 50%;
}

.avatar-link .avatar {
    border: 2px solid transparent;
}

.avatar-link:hover .avatar {
    border-color: var(--primary-color);
}

/* ============================================================================
 * Emoji Styling
 * ============================================================================ */
.emoji {
    vertical-align: middle;
    display: inline;
    margin: 0;
}

/* ============================================================================
 * Small Screen / Zoom Override
 * MUST be last to override all 768px breakpoint rules above
 * ============================================================================ */
@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }

    .homepage {
        padding: 0 8px;
    }

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

    .homepage .top-topics,
    .homepage .statistics,
    .homepage .contributors-section,
    .homepage .date-range-stats,
    .homepage .archive-info {
        padding: 1rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .info-item {
        padding: 0.75rem;
    }

    .contributor-item {
        padding: 0.5rem 0.75rem;
    }

    .pagination-controls {
        gap: 0.2rem;
    }

    .page-btn,
    .page-num {
        min-width: 36px;
        min-height: 36px;
        padding: 0.3rem 0.4rem;
        font-size: 0.85rem;
    }

    /* Prevent any element from creating horizontal scroll */
    .homepage > section {
        overflow: hidden;
    }
}