:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08);
  --color-bg-2: rgba(245, 158, 11, 0.08);
  --color-bg-3: rgba(34, 197, 94, 0.08);
  --color-bg-4: rgba(239, 68, 68, 0.08);
  --color-bg-5: rgba(147, 51, 234, 0.08);
  --color-bg-6: rgba(249, 115, 22, 0.08);
  --color-bg-7: rgba(236, 72, 153, 0.08);
  --color-bg-8: rgba(6, 182, 212, 0.08);

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;

  /* Custom Forum Variables */
  --video-placeholder: #8B7E74;
  --symbol-neutral: #808080;
  --symbol-neutral-hover: rgba(128, 128, 128, 0.7);
}
[data-color-scheme="dark"] {
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Custom Forum Variables */
  --symbol-neutral: #CCCCCC;
  --symbol-neutral-hover: rgba(204, 204, 204, 0.7);

    --color-bg-1: rgba(29, 78, 216, 0.15);
    --color-bg-2: rgba(180, 83, 9, 0.15);
    --color-bg-3: rgba(21, 128, 61, 0.15);
    --color-bg-4: rgba(185, 28, 28, 0.15);
    --color-bg-5: rgba(107, 33, 168, 0.15);
    --color-bg-6: rgba(194, 65, 12, 0.15);
    --color-bg-7: rgba(190, 24, 93, 0.15);
    --color-bg-8: rgba(8, 145, 178, 0.15);

    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    --color-bg-1: rgba(29, 78, 216, 0.15);
    --color-bg-2: rgba(180, 83, 9, 0.15);
    --color-bg-3: rgba(21, 128, 61, 0.15);
    --color-bg-4: rgba(185, 28, 28, 0.15);
    --color-bg-5: rgba(107, 33, 168, 0.15);
    --color-bg-6: rgba(194, 65, 12, 0.15);
    --color-bg-7: rgba(190, 24, 93, 0.15);
    --color-bg-8: rgba(8, 145, 178, 0.15);

    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    --symbol-neutral: #CCCCCC;
    --symbol-neutral-hover: rgba(204, 204, 204, 0.7);
  }
}
@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: var(--line-height-normal);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}
/* Header Styles */
.header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-card-border);
    padding: var(--space-16) var(--space-24);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    /* Updated for prominent brand name, removed gap for single text element */
    display: flex;
    align-items: center;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}
/* .logo-icon class is removed from HTML, keeping style here just in case */
.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    border-radius: var(--radius-base);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-btn-primary-text);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    display: none; /* Hide the icon for brand prominence */
}
.theme-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-8) var(--space-16);
    background-color: var(--color-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    border: none;
    font-size: var(--font-size-base);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}
.theme-switcher:hover {
    background-color: var(--color-secondary-hover);
}
.theme-icon {
    font-size: var(--font-size-lg);
}
.nav {
    display: flex;
    gap: var(--space-24);
    align-items: center;
}
.nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) var(--ease-standard);
}
.nav a:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}
.nav a.active {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}
.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-8) var(--space-16);
    background-color: var(--color-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}
.user-profile:hover {
    background-color: var(--color-secondary-hover);
}
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-btn-primary-text);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}
.user-name {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}
/* Main Layout */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-24);
    display: grid;
    grid-template-columns: 280px 1fr 320px;
    gap: var(--space-24);
}
/* Sidebar Styles */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}
.sidebar-section {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    padding: var(--space-20);
    margin-bottom: var(--space-16);
}
.sidebar-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-16);
    color: var(--color-text);
}
.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-12);
    margin-bottom: var(--space-8);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}
.category-item:hover {
    background-color: var(--color-secondary);
}
.category-item.active {
    background-color: var(--color-secondary);
    border-left: 3px solid var(--color-primary);
}
.category-info {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}
.category-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.category-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
}
.category-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.stat-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-12) 0;
    border-bottom: 1px solid var(--color-card-border-inner);
}
.stat-item:last-child {
    border-bottom: none;
}
.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.stat-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}
/* Post Feed */
.feed {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}
.post-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
}
.post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.post-header {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-16) var(--space-20);
    border-bottom: 1px solid var(--color-card-border-inner);
}
.post-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}
.post-author-info {
    flex: 1;
}
.post-author-name {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-4);
}
.post-author-meta {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.post-category-badge {
    padding: var(--space-4) var(--space-12);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    background-color: var(--color-secondary);
    color: var(--color-text);
}
.post-content {
    padding: var(--space-20);
}
.post-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-12);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}
.post-text {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: var(--space-16);
}
.post-video-placeholder {
    width: 100%;
    height: 300px;
    background: var(--color-bg-1);
    border-radius: var(--radius-base);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-12);
    border: 2px dashed var(--color-border);
}
.video-icon {
    font-size: 48px;
    color: var(--color-text-secondary);
}
.video-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}
.post-actions {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-12) var(--space-20);
    border-top: 1px solid var(--color-card-border-inner);
}

/* MODIFICATION START: YouTube-style action buttons + new vote structure */

/* Wrapper for the  △ 61 | 12 ▽ structure */
.vote-container {
    display: flex;
    align-items: center;
    font-size: var(--font-size-base);
    color: var(--color-text);
}
.vote-paren, .vote-separator {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    padding: 0 var(--space-4);
    user-select: none; /* Prevent selection of symbols */
}
/* Resetting the default .vote-group styling */
.vote-group {
    display: flex;
    align-items: center;
    background: none; /* Remove previous pill background */
    border-radius: 0;
    padding: 0;
}
/* Use the same class name for both counts and style them identically */
.vote-count, .vote-count-down {
    min-width: 20px;
    text-align: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    color: var(--color-text);
    padding: 0 var(--space-4);
}
.vote-button {
    /* Clean, non-colored button inside the group */
    padding: var(--space-4) var(--space-6);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text); /* Use main text color for clarity */
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    transition: all var(--duration-fast) var(--ease-standard);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}
/* Remove separator border from old pill shape logic */
.vote-group .vote-button:first-child {
    border-right: none;
}
.vote-button:hover {
    background-color: var(--color-secondary-hover); 
    opacity: 1;
}
.vote-button.active-upvote,.vote-button.active-downvote {
    color: var(--color-primary); /* Use primary color for active vote */
    transform: none; /* Remove scale effect */
}
/* Standard Action Buttons */
.action-button {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-6) var(--space-10);
    background: transparent;
    border: none;
    border-radius: var(--radius-full); 
    cursor: pointer;
    font-size: var(--font-size-base); 
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: all var(--duration-fast) var(--ease-standard);
    position: relative;
}
.action-button:hover {
    background-color: var(--color-secondary-hover); 
    color: var(--color-text); 
    opacity: 1; 
}
.action-button span:first-child {
    filter: none;
    opacity: 1;
    font-size: var(--font-size-lg);
}
/* MODIFICATION END */

.share-dropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    min-width: 200px;
    display: none;
    z-index: 10;
    margin-bottom: var(--space-8);
}
.share-dropdown.show {
    display: block;
}
.share-option {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-10) var(--space-12);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease-standard);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}
.share-option:hover {
    background-color: var(--color-secondary);
}
/* Comments Section */
.comments-section {
    padding: var(--space-20);
    border-top: 1px solid var(--color-card-border-inner);
    background-color: var(--color-bg-1);
    display: none;
}
.comments-section.show {
    display: block;
}
.comment-input-container {
    display: flex;
    gap: var(--space-12);
    margin-bottom: var(--space-20);
}
.comment-input {
    flex: 1;
    padding: var(--space-12);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    background-color: var(--color-surface);
    color: var(--color-text);
    resize: none;
    min-height: 80px;
}
.comment-input:focus {
    outline: var(--focus-outline);
    border-color: var(--color-primary);
}
.comment-submit {
    padding: var(--space-12) var(--space-24);
    background-color: var(--color-primary);
    color: var(--color-btn-primary-text);
    border: none;
    border-radius: var(--radius-base);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    height: fit-content;
}
.comment-submit:hover {
    background-color: var(--color-primary-hover);
}
.comments-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}
.comment {
    display: flex;
    gap: var(--space-12);
    background-color: var(--color-surface);
    padding: var(--space-16);
    border-radius: var(--radius-base);
    border: 1px solid var(--color-card-border);
}
.comment-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-btn-primary-text);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}
.comment-content {
    flex: 1;
}
.comment-header {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}
.comment-author {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}
.comment-role {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}
.comment-time {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}
.comment-text {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--space-12);
}
.comment-actions {
    display: flex;
    gap: var(--space-16);
    align-items: center;
}
.comment-vote {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    font-size: var(--font-size-sm);
}
.comment-vote-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    padding: var(--space-4);
    transition: all var(--duration-fast) var(--ease-standard);
}
.comment-vote-btn:hover {
    color: var(--color-primary);
}
.comment-reply-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--space-4) var(--space-8);
    transition: all var(--duration-fast) var(--ease-standard);
}
.comment-reply-btn:hover {
    color: var(--color-primary);
}
/* Create Post Button */
.fab {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-btn-primary-text);
    border: none;
    font-size: var(--font-size-3xl);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--duration-normal) var(--ease-standard);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fab:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}
/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(4px);
}
.modal-overlay.show {
    display: flex;
}
.modal {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s var(--ease-standard);
}
@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}
.modal-header {
    padding: var(--space-24);
    border-bottom: 1px solid var(--color-card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
}
.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-3xl);
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: var(--space-8);
    transition: all var(--duration-fast) var(--ease-standard);
}
.modal-close:hover {
    color: var(--color-text);
}
.modal-body {
    padding: var(--space-24);
}
.form-group {
    margin-bottom: var(--space-20);
}
.form-label {
    display: block;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-8);
    color: var(--color-text);
}
.form-input,.form-textarea,.form-select {
    width: 100%;
    padding: var(--space-12);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    background-color: var(--color-background);
    color: var(--color-text);
    transition: all var(--duration-fast) var(--ease-standard);
}
.form-input:focus,.form-textarea:focus,.form-select:focus {
    outline: var(--focus-outline);
    border-color: var(--color-primary);
}
.form-textarea {
    resize: vertical;
    min-height: 120px;
}
.post-type-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-12);
}
.post-type-option {
    padding: var(--space-16);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-base);
    cursor: pointer;
    text-align: center;
    transition: all var(--duration-fast) var(--ease-standard);
    background-color: var(--color-background);
}
.post-type-option:hover {
    border-color: var(--color-primary);
    background-color: var(--color-secondary);
}
.post-type-option.active {
    border-color: var(--color-primary);
    background-color: var(--color-secondary);
}
.post-type-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-8);
}
.post-type-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}
.modal-actions {
    padding: var(--space-24);
    border-top: 1px solid var(--color-card-border);
    display: flex;
    gap: var(--space-12);
    justify-content: flex-end;
}
.btn {
    padding: var(--space-12) var(--space-24);
    border-radius: var(--radius-base);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    border: none;
}
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-btn-primary-text);
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
}
.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text);
}
.btn-secondary:hover {
    background-color: var(--color-secondary-hover);
}
/* Footer */
.footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-card-border);
    padding: var(--space-32) var(--space-24);
    margin-top: var(--space-32);
}
.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-32);
}
.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}
.footer-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-8);
}
.footer-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--duration-fast) var(--ease-standard);
}
.footer-link:hover {
    color: var(--color-primary);
}
.footer-bottom {
    max-width: 1400px;
    margin: var(--space-24) auto 0;
    padding-top: var(--space-24);
    border-top: 1px solid var(--color-card-border);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}
/* Notification Toast */
.toast {
    position: fixed;
    bottom: 100px;
    right: 32px;
    background-color: var(--color-surface);
    color: var(--color-text);
    padding: var(--space-16) var(--space-24);
    border-radius: var(--radius-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--color-card-border);
    display: none;
    align-items: center;
    gap: var(--space-12);
    z-index: 150;
    animation: toastSlideIn 0.3s var(--ease-standard);
}
.toast.show {
    display: flex;
}
@keyframes toastSlideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}
.toast-icon {
    font-size: var(--font-size-xl);
}
.toast-message {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
}
/* Responsive Design */
@media (max-width: 1200px) {
    .main-container {
        grid-template-columns: 240px 1fr 280px;
        gap: var(--space-16);
    }
}
/* Tablet and smaller screens - Main layout change (Mobile Optimization) */
@media (max-width: 968px) {
    .main-container {
        /* Single column layout */
        grid-template-columns: 1fr;
    }
    /* Hide sidebars on smaller screens to prioritize feed */
    .left-sidebar,
    .right-sidebar {
        display: none;
    }
    .header {
        padding: var(--space-12) var(--space-16);
    }
    .nav {
        gap: var(--space-12);
        justify-content: center;
    }
    .nav a {
        padding: var(--space-6) var(--space-12);
        font-size: var(--font-size-sm);
    }
    .post-header {
        /* Allow author info to wrap nicely */
        flex-wrap: wrap;
    }
    .post-author-info {
        min-width: 100%;
        order: 1;
    }
    .post-category-badge {
        order: 0;
    }
    .post-actions {
        /* Ensure actions are readable on small screens */
        padding: var(--space-12) var(--space-16);
        gap: var(--space-8);
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .vote-group {
        /* Take up less space */
        flex-shrink: 0;
    }
}
/* Small mobile screens (Mobile Optimization) */
@media (max-width: 640px) {
    .header-container {
        /* Stack header elements vertically */
        flex-direction: column;
        gap: var(--space-16);
    }
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    .main-container {
        padding: var(--space-16);
    }
    .post-type-selector {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .fab {
        width: 56px;
        height: 56px;
        bottom: 24px;
        right: 24px;
        font-size: var(--font-size-2xl);
    }
    .post-header {
        padding: var(--space-12) var(--space-16);
    }
    .post-content {
        padding: var(--space-16);
    }
}