/* =============================================
   IGames Portal - Complete Stylesheet
   Design: Modern Gaming App
   ============================================= */

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding-bottom: 72px;
  transition: background 0.4s, color 0.4s;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ---- Theme: Dark (default) ---- */
:root, [data-theme="dark"] {
  --bg: #0B0B0B;
  --bg-secondary: #161616;
  --bg-card: #1A1A1A;
  --bg-card-hover: #222222;
  --bg-elevated: #1E1E1E;
  --text: #FFFFFF;
  --text-secondary: #AAAAAA;
  --text-muted: #666666;
  --border: #2A2A2A;
  --accent: #39FF14;
  --accent-hover: #5CFF3A;
  --accent-glow: rgba(57, 255, 20, 0.35);
  --accent-glow-strong: rgba(57, 255, 20, 0.5);
  --header-bg: rgba(11, 11, 11, 0.92);
  --footer-bg: #080808;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 40px rgba(57, 255, 20, 0.12);
  --shadow-glow: 0 0 30px rgba(57, 255, 20, 0.25);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* ---- Theme: Light ---- */
[data-theme="light"] {
  --bg: #F5F5F5;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0F0F0;
  --bg-elevated: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #E0E0E0;
  --accent: #00CC00;
  --accent-hover: #00E600;
  --accent-glow: rgba(0, 204, 0, 0.2);
  --accent-glow-strong: rgba(0, 204, 0, 0.35);
  --header-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #1A1A1A;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(0, 204, 0, 0.15);
}

/* ---- Theme: Blue ---- */
[data-theme="blue"] {
  --accent: #4A9EFF;
  --accent-hover: #6EB3FF;
  --accent-glow: rgba(74, 158, 255, 0.35);
  --accent-glow-strong: rgba(74, 158, 255, 0.5);
  --shadow-hover: 0 8px 40px rgba(74, 158, 255, 0.12);
  --shadow-glow: 0 0 30px rgba(74, 158, 255, 0.25);
}

/* ---- Theme: Purple ---- */
[data-theme="purple"] {
  --accent: #A855F7;
  --accent-hover: #C084FC;
  --accent-glow: rgba(168, 85, 247, 0.35);
  --accent-glow-strong: rgba(168, 85, 247, 0.5);
  --shadow-hover: 0 8px 40px rgba(168, 85, 247, 0.12);
  --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.25);
}

/* ---- Theme: Red ---- */
[data-theme="red"] {
  --accent: #EF4444;
  --accent-hover: #F87171;
  --accent-glow: rgba(239, 68, 68, 0.35);
  --accent-glow-strong: rgba(239, 68, 68, 0.5);
  --shadow-hover: 0 8px 40px rgba(239, 68, 68, 0.12);
  --shadow-glow: 0 0 30px rgba(239, 68, 68, 0.25);
}

/* ---- Theme: Green ---- */
[data-theme="green"] {
  --accent: #22C55E;
  --accent-hover: #4ADE80;
  --accent-glow: rgba(34, 197, 94, 0.35);
  --accent-glow-strong: rgba(34, 197, 94, 0.5);
  --shadow-hover: 0 8px 40px rgba(34, 197, 94, 0.12);
  --shadow-glow: 0 0 30px rgba(34, 197, 94, 0.25);
}

/* ---- Light variants for color themes ---- */
[data-theme="light"][data-theme="blue"],
[data-theme="light"][data-theme="purple"],
[data-theme="light"][data-theme="red"],
[data-theme="light"][data-theme="green"] {
  --bg: #F5F5F5;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0F0F0;
  --bg-elevated: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #E0E0E0;
  --header-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #1A1A1A;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* ---- Accessibility ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent);
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  transition: top 0.2s;
}

.skip-link:focus { top: 0.5rem; }

.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;
}

/* ============================================
   TOP HEADER
   ============================================ */
.top-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s;
}

.top-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
  height: 64px;
  gap: 0.75rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.logo-img {
  height: 30px;
  width: auto;
  display: block;
}

.logo-text {
  color: var(--text);
}

.logo-accent {
  color: var(--accent);
}

/* ---- Search ---- */
.search-box {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.4rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box input::placeholder { color: var(--text-muted); }

.search-box .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
  pointer-events: none;
}

/* ---- Header Icons ---- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.header-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.15rem;
  transition: all var(--transition);
  position: relative;
}

.header-icon-btn:hover {
  background: var(--bg-card);
  color: var(--accent);
}

.header-icon-btn .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  color: #000;
  border-radius: 50%;
  font-size: 0.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Theme Switcher ---- */
.theme-switcher {
  position: relative;
}

.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: all var(--transition);
}

.theme-btn:hover {
  background: var(--bg-card);
  color: var(--accent);
}

.theme-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.95);
  transition: all var(--transition);
  z-index: 100;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.theme-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.theme-option:hover {
  background: var(--bg-card-hover);
  color: var(--text);
}

.theme-option.active {
  color: var(--accent);
  background: var(--bg-card-hover);
}

.theme-option .theme-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid var(--border);
}

/* ---- Desktop Nav ---- */
.desktop-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.desktop-nav a {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--accent);
  background: var(--bg-card);
}

/* ---- Mobile toggle ---- */
.mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: all var(--transition);
}

.mobile-toggle:hover { color: var(--accent); background: var(--bg-card); }

/* ---- Mobile Menu ---- */
.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  gap: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
  z-index: 999;
  overflow-y: auto;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--accent);
  background: var(--bg-card);
}

.mobile-menu a i { width: 24px; text-align: center; }

/* ============================================
   HERO BANNER
   ============================================ */
.hero-section {
  margin-top: 64px;
  padding: 1.25rem;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background: var(--bg-secondary);
  box-shadow: var(--shadow);
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
  z-index: 1;
}

.hero-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, var(--accent-glow) 0%, transparent 60%);
  opacity: 0.3;
  z-index: 0;
  transition: opacity 0.5s;
}

.hero-card:hover::after { opacity: 0.5; }

.hero-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-card:hover img { transform: scale(1.05); }

.hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem 1.5rem;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  background: var(--accent);
  color: #000;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  max-width: 600px;
}

.hero-text {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.25rem;
  max-width: 500px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 0 20px var(--accent-glow);
}

.hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--accent-glow-strong);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-top: 1.5rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 3px;
  width: 40px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-glow);
}

.section-link {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  transition: gap var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.section-link:hover { gap: 0.6rem; }

/* ============================================
   FEATURED CARDS (Horizontal)
   ============================================ */
.featured-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

.featured-scroll::-webkit-scrollbar { display: none; }

.featured-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  perspective: 1000px;
}

.featured-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}

.featured-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.featured-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.featured-card:hover .featured-card-image img {
  transform: scale(1.08);
}

.featured-card-body {
  padding: 1rem;
}

.featured-card-category {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.featured-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 0.6rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 50px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  transition: all var(--transition);
}

.featured-card-btn:hover {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 15px var(--accent-glow);
}

/* ============================================
   CATEGORIES
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  text-align: center;
}

.category-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.category-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.category-name {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.category-card:hover .category-name {
  color: var(--accent);
}

/* ============================================
   NEWS GRID
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.news-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-secondary);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-card-image img {
  transform: scale(1.06);
}

.news-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.news-card-category {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  padding: 0.15rem 0.5rem;
  background: var(--accent-glow);
  border-radius: 4px;
}

.news-card-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.news-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-excerpt {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  transition: gap var(--transition);
  align-self: flex-start;
}

.news-card-link:hover { gap: 0.7rem; }

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 2.5rem 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.pagination a {
  color: var(--text-secondary);
}

.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

.pagination .current {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* ============================================
   BOTTOM NAV (Mobile)
   ============================================ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.bottom-nav ul {
  display: flex;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  max-width: 500px;
  padding: 0 1rem;
}

.bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transition: all var(--transition);
}

.bottom-nav a i {
  font-size: 1.25rem;
  transition: transform var(--transition);
}

.bottom-nav a:hover,
.bottom-nav a.active {
  color: var(--accent);
}

.bottom-nav a.active i {
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--footer-bg);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: #fff;
}

.footer-brand span { color: var(--accent); }

.footer-text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 80px;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 998;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 30px var(--accent-glow-strong);
}

/* ============================================
   SKELETON LOADING
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   POST ARTICLE (Inner Pages)
   ============================================ */
.post-page .top-header {
  position: relative;
}

.post-article {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 1rem;
}

.post-article-header {
  padding: 2rem 1.5rem 1.25rem;
}

.post-article-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.post-meta span { display: flex; align-items: center; gap: 0.35rem; }

.post-article-image {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.post-article-content {
  padding: 2rem 1.5rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.post-article-content p { margin-bottom: 1.25rem; }

.post-article-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.post-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  transition: gap var(--transition);
}

.post-back-link:hover { gap: 0.75rem; }

/* ---- Page description ---- */
.page-description {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #000;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 0 20px var(--accent-glow);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--accent-glow-strong);
}

/* ---- No results ---- */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.no-results i { font-size: 3rem; margin-bottom: 1rem; opacity: 0.4; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 601px) {
  .hero-card { min-height: 380px; }
  .hero-title { font-size: 1.8rem; }
  .categories-grid { grid-template-columns: repeat(4, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .post-article-header h1 { font-size: 1.7rem; }
}

@media (min-width: 901px) {
  body { padding-bottom: 0; }
  
  .mobile-toggle,
  .mobile-menu { display: none; }
  
  .desktop-nav { display: flex; }
  .bottom-nav { display: none; }
  .site-footer { padding-bottom: 2rem; }
  
  .top-header-inner { padding: 0 2rem; }
  .hero-section { padding: 2rem; }
  .hero-card { min-height: 450px; border-radius: 24px; }
  .hero-title { font-size: 2.2rem; }
  .hero-content { padding: 3rem 2.5rem; }
  
  .section-wrapper { padding: 0 2rem; }
  .categories-grid { grid-template-columns: repeat(8, 1fr); gap: 1rem; }
  .news-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .featured-card { flex: 0 0 320px; }
  
  .post-article-header { padding: 2.5rem 3rem 1.5rem; }
  .post-article-content { padding: 2.5rem 3rem; }
  .post-article-footer { padding: 1.5rem 3rem; }
  
  .back-to-top { bottom: 1.5rem; }
}

@media (min-width: 1200px) {
  .news-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 600px) {
  .top-header-inner { height: 56px; padding: 0 0.6rem; gap: 0.5rem; }
  .logo { font-size: 1.1rem; }
  .logo-img { height: 24px; }
  .search-box { max-width: none; }
  .search-box input { padding: 0.45rem 0.8rem 0.45rem 2rem; font-size: 0.78rem; }
  .hero-section { padding: 0.75rem; margin-top: 56px; }
  .hero-card { min-height: 260px; border-radius: var(--radius); }
  .hero-title { font-size: 1.15rem; }
  .hero-content { padding: 1.25rem 1rem; }
  .hero-btn { padding: 0.55rem 1.2rem; font-size: 0.78rem; }
  .section-wrapper { padding: 0 0.75rem; }
  .section-title { font-size: 1.05rem; }
  .categories-grid { grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
  .category-card { padding: 0.75rem 0.3rem; }
  .category-icon { font-size: 1.2rem; }
  .category-name { font-size: 0.6rem; }
  .featured-card { flex: 0 0 240px; }
  .news-card-title { font-size: 0.9rem; }
  .bottom-nav { height: 56px; }
  .bottom-nav a i { font-size: 1.1rem; }
  .bottom-nav a { font-size: 0.55rem; }
  .back-to-top { bottom: 68px; right: 1rem; width: 40px; height: 40px; font-size: 1rem; }
  .post-article-header h1 { font-size: 1.2rem; }
  .post-article-header { padding: 1.5rem 1rem 1rem; }
  .post-article-content { padding: 1.5rem 1rem; }
  .post-article-footer { padding: 1rem; }
  .mobile-toggle { width: 36px; height: 36px; }
  .header-icon-btn { width: 36px; height: 36px; font-size: 1rem; }
  .theme-btn { width: 36px; height: 36px; font-size: 1.1rem; }
}