/* ==========================================================================
   Forum Category - Modern CSS Design System (Dark Theme Compatible)
   ========================================================================== */

/* CSS Variables - Design Tokens */
:root {
  /* Colors now managed by central theme.css */

  /* Shadows - Enhanced for Dark Theme */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 16px -4px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px -4px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(67, 97, 238, 0.3);
  --shadow-glow-accent: 0 0 30px rgba(6, 214, 160, 0.4);

  /* Typography Scale */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'Fira Code', 'JetBrains Mono', Consolas, 'Liberation Mono', Menlo, monospace;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing Scale */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-base: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1010;
  --z-fixed: 1020;
  --z-modal: 1030;
  --z-tooltip: 1040;
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

/* ==========================================================================
   Button Components
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
  position: relative;
  overflow: hidden;
  
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
  }
  
  &:hover::before {
    left: 100%;
  }
  
  &:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
  
  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-base);
  
  &:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: white;
  }
  
  &:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
  }
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  
  &:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-text-primary);
  }
}

.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
}

/* ==========================================================================
   Forum Category Layout
   ========================================================================== */

.forum-category {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  color: var(--color-text-primary);
  font-family: var(--font-family-base);
}

/* ==========================================================================
   Category Header
   ========================================================================== */

.forum-category__header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
  color: white;
  padding: var(--space-8) 0 var(--space-12);
  position: relative;
  overflow: visible; /* overflow: hidden yerine visible */
  z-index: 1; /* Düşük z-index */
  
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        var(--z-accent-glow) 0%, 
        rgba(114, 9, 183, 0.8) 50%, 
        rgba(6, 214, 160, 0.7) 100%);
    z-index: -1; /* Arka plana gönder */
  }
  
  &::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: patternMove 20s ease-in-out infinite;
    z-index: -1; /* Arka plana gönder */
  }
}

@keyframes patternMove {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10px, 10px); }
}

/* Breadcrumb */
.breadcrumb {
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 2;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--font-size-sm);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  
  &:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-2);
    color: rgba(255, 255, 255, 0.6);
  }
  
  &--active {
    color: rgba(255, 255, 255, 0.9);
    font-weight: var(--font-weight-medium);
  }
}

.breadcrumb__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--transition-fast);
  
  &:hover {
    color: white;
  }
}

/* Category Hero */
.category-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-8);
  position: relative;
  z-index: 2;
}

.category-hero__content {
  display: flex;
  gap: var(--space-6);
  flex: 1;
}

.category-hero__icon {
  width: 4rem;
  height: 4rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--category-color, white);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.category-hero__info {
  flex: 1;
}

.category-hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-3);
  line-height: var(--line-height-tight);
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  background: linear-gradient(45deg, #ffffff, var(--z-text));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.category-hero__description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 var(--space-6);
  line-height: var(--line-height-normal);
}

.category-stats {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.category-stats__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
}

.category-stats__value {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
}

.category-stats__label {
  opacity: 0.8;
}

.category-stats__text {
  opacity: 0.8;
}

.category-hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown__toggle {
  background: rgba(255, 255, 255, 0.15) !important;
  color: white !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  backdrop-filter: blur(10px);
  
  &:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    transform: translateY(-1px);
    color: white !important;
  }
}

.dropdown__arrow {
  transition: transform var(--transition-fast);
}

.dropdown__toggle[aria-expanded="true"] .dropdown__arrow {
  transform: rotate(180deg);
}

.dropdown__menu {
  position: absolute;
  top: calc(100% + 8px); /* Dropdown'u toggle button'dan biraz aşağı yerleştir */
  right: 0;
  min-width: 200px;
  margin: 0;
  padding: var(--space-2);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl); /* Daha güçlü gölge */
  list-style: none;
  z-index: 9999; /* Çok yüksek z-index değeri */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  /* Backdrop filter ekle */
  backdrop-filter: blur(10px);
  /* Border'ı daha belirgin yap */
  border: 2px solid var(--z-accent-glow);
}

.dropdown__menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  position: relative; /* Position ekle */
  
  &:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    transform: translateX(4px); /* Hover efekti */
  }
  
  &--active {
    background: var(--color-primary);
    color: white;
    
    &:hover {
      background: var(--color-primary-dark);
      color: white;
      transform: translateX(4px);
    }
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .category-hero {
    flex-direction: column;
    gap: var(--space-6);
  }
  
  .category-hero__content {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .category-hero__icon {
    width: 3rem;
    height: 3rem;
    font-size: var(--font-size-xl);
  }
  
  .category-hero__title {
    font-size: var(--font-size-2xl);
  }
  
  .category-hero__actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    justify-content: center;
  }
  
  .category-stats {
    gap: var(--space-4);
  }
}

/* ==========================================================================
   Subcategories Section
   ========================================================================== */

.subcategories {
  padding: var(--space-12) 0;
  background: var(--color-bg-secondary);
}

.section-header {
  margin-bottom: var(--space-8);
}

.section-header__title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.subcategories__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.subcategory-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-base);
  
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition-smooth);
  }
  
  &:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
  }
  
  &:hover::before {
    transform: scaleX(1);
  }
}

.subcategory-card__link {
  display: block;
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
}

.subcategory-card__icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--category-color, var(--color-primary)) 0%, var(--z-accent-glow) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: white;
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-md);
}

.subcategory-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
}

.subcategory-card__description {
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-4);
  line-height: var(--line-height-normal);
}

.subcategory-card__stats {
  display: flex;
  gap: var(--space-4);
}

.subcategory-card__stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Filter Tabs
   ========================================================================== */

.filters {
  padding: var(--space-8) 0;
  background: var(--color-bg-tertiary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.filter-tabs__nav {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  scrollbar-width: none;
  -ms-overflow-style: none;
  
  &::-webkit-scrollbar {
    display: none;
  }
}

.filter-tabs__tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  transition: var(--transition-smooth);
  
  &:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  &--active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    
    &:hover {
      background: var(--color-primary-dark);
      border-color: var(--color-primary-dark);
      color: white;
    }
  }
}

/* ==========================================================================
   Threads Section
   ========================================================================== */

.threads-section {
  padding: var(--space-12) 0;
  background: var(--color-bg-primary);
}

.threads-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Thread Card */
.thread-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: var(--transition-smooth);
  position: relative;
  box-shadow: var(--shadow-base);
  
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition-smooth);
  }
  
  &:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
  }
  
  &:hover::before {
    transform: scaleX(1);
  }
  
  &--pinned {
    border-color: var(--color-warning);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(247, 127, 0, 0.05) 100%);
    
    &::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--color-warning);
      border-radius: var(--radius-base) 0 0 var(--radius-base);
    }
  }
}

.thread-card__type {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  
  &--question {
    background: linear-gradient(135deg, var(--color-info) 0%, #0891b2 100%);
  }
  
  &--tutorial {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--z-success) 100%);
  }
  
  &--showcase {
    background: linear-gradient(135deg, var(--color-warning) 0%, var(--z-accent-dark) 100%);
  }
  
  &--announcement {
    background: linear-gradient(135deg, var(--color-danger) 0%, var(--z-danger) 100%);
  }
  
  &--discussion {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  }
}

.thread-card__content {
  flex: 1;
  min-width: 0;
}

.thread-card__header {
  margin-bottom: var(--space-3);
}

.thread-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-2);
  line-height: var(--line-height-tight);
}

.thread-card__title-link {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  
  &:hover {
    color: var(--color-primary);
  }
}

.thread-card__badges {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-base);
  border: 1px solid transparent;
  
  &--pinned {
    background: rgba(247, 127, 0, 0.1);
    color: var(--color-warning);
    border-color: rgba(247, 127, 0, 0.2);
  }
  
  &--locked {
    background: var(--z-danger-bg);
    color: var(--color-danger);
    border-color: var(--z-danger);
  }
  
  &--solved {
    background: rgba(6, 214, 160, 0.1);
    color: var(--color-accent);
    border-color: rgba(6, 214, 160, 0.2);
  }
}

.thread-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.author-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.author-info__avatar {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--color-border);
}

.author-info__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info__placeholder {
  width: 100%;
  height: 100%;
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.author-info__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.author-info__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  
  &:hover {
    color: var(--color-primary);
  }
}

.author-info__time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.thread-card__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border-light);
  transition: var(--transition-fast);
  
  &:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-1px);
  }
}

.thread-card__preview {
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-4);
}

.thread-card__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-end;
  text-align: right;
  flex-shrink: 0;
}

.thread-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.thread-stats__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.thread-stats__icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
}

.thread-stats__content {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.thread-stats__number {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.thread-stats__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.latest-activity {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.latest-activity__content {
  flex: 1;
  text-align: right;
}

.latest-activity__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.latest-activity__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.latest-activity__author {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  
  &:hover {
    color: var(--color-primary);
  }
}

.latest-activity__time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.latest-activity__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-base);
  text-decoration: none;
  font-size: var(--font-size-xs);
  transition: var(--transition-smooth);
  
  &:hover {
    background: var(--color-primary-dark);
    transform: translateX(2px);
    color: white;
  }
}

/* Responsive thread cards */
@media (max-width: 768px) {
  .thread-card {
    grid-template-columns: auto 1fr;
    grid-template-areas: 
      "type content"
      "stats stats";
  }
  
  .thread-card__type {
    grid-area: type;
  }
  
  .thread-card__content {
    grid-area: content;
  }
  
  .thread-card__stats {
    grid-area: stats;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
  }
  
  .thread-stats {
    flex-direction: row;
    gap: var(--space-4);
  }
  
  .thread-stats__content {
    align-items: flex-start;
  }
  
  .latest-activity {
    flex-direction: column;
    text-align: center;
  }
  
  .latest-activity__content {
    text-align: center;
  }
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
  margin-top: var(--space-12);
}

.pagination__container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.pagination__btn,
.pagination__number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 var(--space-3);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-smooth);
  
  &:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-text-primary);
  }
}

.pagination__number--current {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  
  &:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
  }
}

.pagination__btn {
  gap: var(--space-2);
}

.pagination__numbers {
  display: flex;
  gap: var(--space-1);
}

/* Sticky pagination on mobile */
@media (max-width: 768px) {
  .pagination {
    position: sticky;
    bottom: var(--space-4);
    z-index: var(--z-sticky);
    background: var(--color-bg-card);
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
  }
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.empty-state__icon {
  width: 4rem;
  height: 4rem;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-text-muted);
  margin: 0 auto var(--space-6);
  border: 1px solid var(--color-border);
}

.empty-state__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3);
}

.empty-state__description {
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-8);
  line-height: var(--line-height-normal);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.forum-sidebar {
  padding: var(--space-12) 0;
  background: var(--color-bg-secondary);
}

.sidebar-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-base);
  transition: var(--transition-smooth);
  
  &:last-child {
    margin-bottom: 0;
  }
  
  &:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
}

.sidebar-card__header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-tertiary));
}

.sidebar-card__title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.moderators-list {
  padding: var(--space-4) var(--space-6) var(--space-6);
}

.moderator-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  transition: var(--transition-fast);
  
  &:not(:last-child) {
    border-bottom: 1px solid var(--color-border-light);
  }
  
  &:hover {
    transform: translateX(4px);
  }
}

.moderator-item__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--color-border);
}

.moderator-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moderator-item__placeholder {
  width: 100%;
  height: 100%;
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.moderator-item__info {
  flex: 1;
}

.moderator-item__name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  display: block;
  margin-bottom: var(--space-1);
  transition: color var(--transition-fast);
  
  &:hover {
    color: var(--color-primary);
  }
}

.moderator-item__role {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.guidelines-list {
  padding: var(--space-4) var(--space-6) var(--space-6);
}

.guideline-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  transition: var(--transition-fast);
  
  &:not(:last-child) {
    border-bottom: 1px solid var(--color-border-light);
  }
  
  &:hover {
    transform: translateX(2px);
  }
}

.guideline-item__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
  
  &--info {
    color: var(--color-info);
  }
  
  &--warning {
    color: var(--color-warning);
  }
  
  &--success {
    color: var(--color-accent);
  }
  
  &--danger {
    color: var(--color-danger);
  }
}

.guideline-item__text {
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   Loading Skeletons
   ========================================================================== */

@keyframes skeleton-loading {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

.thread-skeleton {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  animation: skeleton-loading 1.5s infinite linear;
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-card) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200px 100%;
}

.thread-skeleton__type {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg-tertiary);
}

.thread-skeleton__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.thread-skeleton__title {
  height: 1.5rem;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-base);
  width: 70%;
}

.thread-skeleton__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.thread-skeleton__avatar {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
}

.thread-skeleton__author {
  height: 1rem;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-base);
  width: 6rem;
}

.thread-skeleton__preview {
  height: 1rem;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-base);
  width: 90%;
}

.thread-skeleton__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.thread-skeleton__stat {
  height: 1rem;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-base);
  width: 3rem;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-tooltip);
  max-width: 400px;
}

.toast {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-base);
  
  &.show {
    opacity: 1;
    transform: translateX(0);
  }
  
  &--success {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(6, 214, 160, 0.05) 100%);
  }
  
  &--error {
    border-color: var(--color-danger);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--z-danger-bg) 100%);
  }
  
  &--warning {
    border-color: var(--color-warning);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(247, 127, 0, 0.05) 100%);
  }
  
  &--info {
    border-color: var(--color-info);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--z-accent-glow) 100%);
  }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-success { color: var(--color-accent); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-success { background-color: var(--color-accent); }
.bg-warning { background-color: var(--color-warning); }
.bg-danger { background-color: var(--color-danger); }

.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */

.forum-category * {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg-secondary);
}

.forum-category *::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.forum-category *::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.forum-category *::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-bg-secondary);
}

.forum-category *::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .forum-category__header,
  .filters,
  .forum-sidebar,
  .pagination,
  .toast-container {
    display: none !important;
  }
  
  .thread-card {
    break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid #333 !important;
    background: white !important;
    color: black !important;
  }
  
  .threads-section {
    padding: 0 !important;
    background: white !important;
  }
  
  .forum-category {
    background: white !important;
    color: black !important;
  }
}

/* ==========================================================================
   Accessibility Enhancements
   ========================================================================== */

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #ffffff;
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-bg-primary: #000000;
    --color-bg-secondary: #1a1a1a;
    --color-bg-card: #2a2a2a;
  }
}

/* Focus Visible */
@supports selector(:focus-visible) {
  *:focus {
    outline: none;
  }
  
  *:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
}

/* Performance optimizations */
.thread-card,
.subcategory-card,
.sidebar-card,
.btn {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Text rendering optimization */
.forum-category {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}