/* Modern Design System & Variables */
:root {
  /* Common tokens */
  --font-sans: 'Outfit', 'Noto Sans Sinhala', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-lg: 20px;
  --border-radius-md: 12px;
  --border-radius-sm: 8px;
  
  /* Light Theme variables */
  --bg-app: #f4f6fa;
  --text-main: #1e293b;
  --text-muted: #64748b;
  
  --glass-bg: rgba(255, 255, 255, 0.45);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
  --glass-shadow-hover: 0 16px 48px 0 rgba(31, 38, 135, 0.12);
  
  --card-bg: rgba(255, 255, 255, 0.6);
  --card-border: rgba(255, 255, 255, 0.65);
  
  --accent: #3b82f6;
  --accent-light: #eff6ff;
  --accent-gradient: linear-gradient(135deg, #2563eb, #7c3aed);
  
  --badge-stocks: #e0f2fe;
  --badge-stocks-text: #0369a1;
  --badge-forex: #f0fdf4;
  --badge-forex-text: #15803d;
  --badge-crypto: #fffbeb;
  --badge-crypto-text: #b45309;
  --badge-finance: #f5f3ff;
  --badge-finance-text: #6d28d9;
  --badge-business: #fef2f2;
  --badge-business-text: #991b1b;
}

[data-theme="dark"] {
  /* Dark Theme variables */
  --bg-app: #090d16;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --glass-bg: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-shadow-hover: 0 16px 48px 0 rgba(0, 0, 0, 0.5);
  
  --card-bg: rgba(15, 23, 42, 0.45);
  --card-border: rgba(255, 255, 255, 0.05);
  
  --accent: #60a5fa;
  --accent-light: rgba(96, 165, 250, 0.1);
  --accent-gradient: linear-gradient(135deg, #60a5fa, #a78bfa);
  
  --badge-stocks: rgba(14, 165, 233, 0.15);
  --badge-stocks-text: #38bdf8;
  --badge-forex: rgba(34, 197, 94, 0.15);
  --badge-forex-text: #4ade80;
  --badge-crypto: rgba(245, 158, 11, 0.15);
  --badge-crypto-text: #fbbf24;
  --badge-finance: rgba(139, 92, 246, 0.15);
  --badge-finance-text: #a78bfa;
  --badge-business: rgba(239, 68, 68, 0.15);
  --badge-business-text: #fca5a5;
}

/* Reset & Basic Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Background Animated Blobs */
.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  pointer-events: none;
  animation: float 20s infinite alternate;
}

[data-theme="dark"] .bg-blob {
  opacity: 0.2;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: #3b82f6;
  top: -100px;
  left: -100px;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: #a855f7;
  bottom: 10%;
  right: -100px;
  animation-delay: -5s;
}

.blob-3 {
  width: 300px;
  height: 300px;
  background: #ec4899;
  top: 40%;
  left: 20%;
  animation-delay: -10s;
}

@keyframes float {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  33% {
    transform: translate(50px, -30px) scale(1.1) rotate(120deg);
  }
  66% {
    transform: translate(-30px, 50px) scale(0.9) rotate(240deg);
  }
  100% {
    transform: translate(0, 0) scale(1) rotate(360deg);
  }
}

/* Layout Container */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header Styles */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding: 1.5rem 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-emoji {
  font-size: 2.5rem;
}

.logo-text h1 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text .subtitle {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

/* Theme Toggle Button */
.theme-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: var(--transition-smooth);
}

.theme-btn:hover {
  transform: scale(1.08) rotate(15deg);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.theme-icon {
  font-size: 1.25rem;
}

[data-theme="dark"] .icon-sun {
  display: block;
}
[data-theme="dark"] .icon-moon {
  display: none;
}
body:not([data-theme="dark"]) .icon-sun {
  display: none;
}
body:not([data-theme="dark"]) .icon-moon {
  display: block;
}

/* Global Stats Counters */
.stats-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

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

.stat-card-icon {
  font-size: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card-details {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-card-val {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card-lbl {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* Controls Section (Search + Tags) */
.controls-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.search-sort-row {
  display: flex;
  gap: 1.25rem;
  width: 100%;
}

/* Sort Selector */
.sort-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 250px;
}

.sort-icon {
  position: absolute;
  left: 1.25rem;
  font-size: 1.1rem;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 2;
}

.sort-wrapper::after {
  content: '▼';
  font-size: 0.65rem;
  color: var(--text-muted);
  position: absolute;
  right: 1.25rem;
  pointer-events: none;
  z-index: 2;
}

.sort-wrapper select {
  width: 100%;
  padding: 1.25rem 2rem 1.25rem 2.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--text-main);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px);
  outline: none;
  cursor: pointer;
  appearance: none;
  transition: var(--transition-smooth);
}

.sort-wrapper select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light), var(--glass-shadow-hover);
}

/* Search Bar */
.search-wrapper {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-wrapper input {
  width: 100%;
  padding: 1.25rem 3.5rem 1.25rem 3.5rem;
  font-size: 1.05rem;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-main);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px);
  outline: none;
  transition: var(--transition-smooth);
}

.search-wrapper input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light), var(--glass-shadow-hover);
}

.clear-btn {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.search-wrapper input:valid ~ .clear-btn,
.search-wrapper input:not(:placeholder-shown) ~ .clear-btn {
  opacity: 1;
  pointer-events: auto;
}

.clear-btn:hover {
  color: var(--text-main);
}

/* Filter Tag Buttons */
.filter-wrapper {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-tag {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.filter-tag:hover {
  transform: translateY(-2px);
  background: var(--card-bg);
  border-color: var(--accent);
}

.filter-tag.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.results-meta {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-left: 0.25rem;
}

/* Grid Layout */
.grid-section {
  flex-grow: 1;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  animation: fadeIn 0.5s ease-out;
}

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

/* Card Styling */
.channel-card {
  position: relative;
  overflow: hidden; /* contain shine */
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px) saturate(180%);
  transform-style: preserve-3d;
  transform: perspective(1000px) rotateX(0deg) rotateY(0deg) scale3d(1, 1, 1);
  transition: transform 0.1s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.channel-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glass-shadow-hover);
}

/* Mouse-tracking shine reflection layer */
.card-shine {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(
    circle 150px at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(255, 255, 255, 0.12),
    transparent 80%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

[data-theme="dark"] .card-shine {
  background: radial-gradient(
    circle 150px at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(255, 255, 255, 0.08),
    transparent 80%
  );
}

.channel-card:hover .card-shine {
  opacity: 1;
}

/* Card Avatar Background Thumbnail Backdrop */
.card-bg-thumbnail {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: blur(22px);
  opacity: 0.22;
  z-index: 0;
  pointer-events: none;
  border-radius: var(--border-radius-lg);
  transform: scale(1.4);
  transition: opacity 0.3s ease, transform 0.5s ease;
}

[data-theme="dark"] .card-bg-thumbnail {
  opacity: 0.15;
}

.channel-card:hover .card-bg-thumbnail {
  opacity: 0.35;
  transform: scale(1.55); /* zoom effect on hover */
}

[data-theme="dark"] .channel-card:hover .card-bg-thumbnail {
  opacity: 0.28;
  transform: scale(1.55);
}

/* Ensure card content renders on top of the background thumbnail */
.card-header, .stats-container, .category-badge, .desc-section, .channel-action {
  position: relative;
  z-index: 2;
}

/* Action button row layout */
.card-buttons-row {
  display: flex;
  gap: 0.75rem;
  width: 100%;
}

/* Card Header */
.card-header {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.avatar-wrapper {
  position: relative;
  width: 70px;
  height: 70px;
  flex-shrink: 0;
  border-radius: 50%;
  padding: 3px;
  background: var(--accent-gradient);
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--bg-app);
}

.header-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0; /* allows text truncation */
}

.channel-name {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-handle {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Stats Section */
.stats-container {
  display: flex;
  gap: 0.75rem;
}

.stat-badge {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.stat-emoji {
  font-size: 0.95rem;
}

/* Topic Category Badge */
.category-badge {
  align-self: flex-start;
  padding: 0.4rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-stocks { background-color: var(--badge-stocks); color: var(--badge-stocks-text); }
.badge-forex { background-color: var(--badge-forex); color: var(--badge-forex-text); }
.badge-crypto { background-color: var(--badge-crypto); color: var(--badge-crypto-text); }
.badge-finance { background-color: var(--badge-finance); color: var(--badge-finance-text); }
.badge-business { background-color: var(--badge-business); color: var(--badge-business-text); }

/* Channel Description (Expandable Drawer) */
.desc-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.desc-text {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.desc-section.expanded .desc-text {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
}

.expand-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  align-self: flex-start;
  padding: 0.25rem 0;
  display: none; /* JS will toggle block if description is long */
}

.expand-btn:hover {
  text-decoration: underline;
}

/* Action Section / Visit Channel */
.channel-action {
  margin-top: auto;
  border-top: 1px solid var(--glass-border);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.visit-btn {
  width: 100%;
  padding: 0.85rem;
  text-align: center;
  background: var(--accent-gradient);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.visit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.profile-btn {
  padding: 0.85rem 1.25rem;
  border: 1.5px solid var(--accent);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  font-weight: 700;
  color: var(--accent);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  box-sizing: border-box;
}

.profile-btn:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.08);
}

/* Social Icons Container */
.social-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.05rem;
  color: #ffffff;
  transition: var(--transition-smooth);
}

.social-icon:hover {
  transform: scale(1.1) translateY(-2px);
}

/* Branded Social platforms */
.soc-facebook { background-color: #1877f2; }
.soc-telegram { background-color: #0088cc; }
.soc-whatsapp { background-color: #25d366; }
.soc-instagram { background-color: #e1306c; }
.soc-twitter_x { background-color: #111111; }
.soc-linkedin { background-color: #0a66c2; }
.soc-tiktok { background-color: #010101; }
.soc-website_other { background-color: var(--accent); }

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
}

.empty-emoji {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-muted);
}

/* Footer */
.app-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

}

/* FAQ Section (Accordion) styling */
.faq-section {
  margin-top: 5rem;
  padding: 2.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
}

.faq-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 2rem;
  text-align: center;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item[open] {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

summary.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none; /* Hide default browser marker */
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: var(--transition-smooth);
}

/* Custom indicator icon */
summary.faq-question::after {
  content: '➔';
  font-size: 0.9rem;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-item[open] summary.faq-question::after {
  transform: rotate(90deg);
}

summary.faq-question:hover {
  background: var(--glass-border);
  color: var(--accent);
}

/* Hide default marker for webkit */
summary.faq-question::-webkit-details-marker {
  display: none;
}

.faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
  animation: slideDown 0.3s ease-out;
}

.faq-answer strong {
  color: var(--text-main);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .app-container {
    padding: 1rem;
  }
  .stats-overview {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }
  .stat-card {
    padding: 1rem;
    gap: 1rem;
  }
  .stat-card-val {
    font-size: 1.3rem;
  }
  .search-sort-row {
    flex-direction: column;
    gap: 0.75rem;
  }
  .sort-wrapper {
    width: 100%;
    min-width: 100%;
  }
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
  }
  .theme-btn {
    align-self: flex-end;
  }
  .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
  
  /* Compact Card adjustments for 2 columns */
  .channel-card {
    padding: 1rem;
    gap: 0.85rem;
    border-radius: var(--border-radius-md);
  }
  .card-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
  }
  .avatar-wrapper {
    width: 55px;
    height: 55px;
  }
  .channel-name {
    font-size: 0.95rem;
  }
  .channel-handle {
    font-size: 0.75rem;
  }
  .stats-container {
    flex-direction: column;
    gap: 0.4rem;
  }
  .stat-badge {
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
    justify-content: center;
  }
  .category-badge {
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
    align-self: center;
  }
  .desc-text {
    font-size: 0.8rem;
    line-height: 1.4;
    text-align: center;
  }
  .expand-btn {
    align-self: center;
    font-size: 0.75rem;
  }
  .card-buttons-row {
    flex-direction: column;
    gap: 0.5rem;
  }
  .visit-btn {
    padding: 0.65rem;
    font-size: 0.75rem;
    width: 100%;
  }
  .profile-btn {
    padding: 0.65rem;
    font-size: 0.75rem;
    width: 100%;
  }
  .social-links {
    justify-content: center;
    gap: 0.35rem;
  }
  .social-icon {
    width: 28px;
    height: 28px;
    font-size: 0.85rem;
  }
  
  .faq-section {
    padding: 1.5rem;
    margin-top: 3rem;
  }
  .faq-title {
    font-size: 1.3rem;
  }
  summary.faq-question {
    padding: 1rem;
    font-size: 0.9rem;
  }
  .faq-answer {
    padding: 0 1rem 1rem 1rem;
    font-size: 0.85rem;
  }
}

/* ----------------------------------------------------
   SPA Routing and View Animations
   ---------------------------------------------------- */
.app-view {
  display: block;
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.view-hidden {
  display: none !important;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----------------------------------------------------
   Category Grid View Styling
   ---------------------------------------------------- */
.section-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  position: relative;
  padding-left: 0.85rem;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.category-card {
  position: relative;
  overflow: hidden;
  text-decoration: none;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px) saturate(180%);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  min-height: 220px;
}

.cat-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.06;
  transition: var(--transition-smooth);
  z-index: 0;
}

.category-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--glass-shadow-hover);
}

.category-card:hover .cat-card-bg {
  opacity: 0.15;
}

/* Theme gradients for cards */
.cat-top-cse .cat-card-bg { background: linear-gradient(135deg, #ffd700, #ff8c00); }
.cat-top-cse:hover { border-color: #ffd700; box-shadow: 0 8px 32px rgba(255, 215, 0, 0.15); }
.cat-top-cse .cat-icon { background: rgba(255, 215, 0, 0.1); color: #ffd700; }

.cat-stocks .cat-card-bg { background: linear-gradient(135deg, #38bdf8, #818cf8); }
.cat-stocks:hover { border-color: #38bdf8; box-shadow: 0 8px 32px rgba(56, 189, 248, 0.15); }
.cat-stocks .cat-icon { background: rgba(56, 189, 248, 0.1); color: #38bdf8; }

.cat-forex .cat-card-bg { background: linear-gradient(135deg, #4ade80, #2dd4bf); }
.cat-forex:hover { border-color: #4ade80; box-shadow: 0 8px 32px rgba(74, 222, 128, 0.15); }
.cat-forex .cat-icon { background: rgba(74, 222, 128, 0.1); color: #4ade80; }

.cat-crypto .cat-card-bg { background: linear-gradient(135deg, #fbbf24, #f59e0b); }
.cat-crypto:hover { border-color: #fbbf24; box-shadow: 0 8px 32px rgba(251, 191, 36, 0.15); }
.cat-crypto .cat-icon { background: rgba(251, 191, 36, 0.1); color: #fbbf24; }

.cat-business .cat-card-bg { background: linear-gradient(135deg, #f87171, #ec4899); }
.cat-business:hover { border-color: #f87171; box-shadow: 0 8px 32px rgba(248, 113, 113, 0.15); }
.cat-business .cat-icon { background: rgba(248, 113, 113, 0.1); color: #f87171; }

.cat-finance .cat-card-bg { background: linear-gradient(135deg, #c084fc, #818cf8); }
.cat-finance:hover { border-color: #c084fc; box-shadow: 0 8px 32px rgba(192, 132, 252, 0.15); }
.cat-finance .cat-icon { background: rgba(192, 132, 252, 0.1); color: #c084fc; }

.cat-card-content {
  position: relative;
  z-index: 1;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  gap: 0.75rem;
  flex-grow: 1;
}

.cat-icon {
  font-size: 1.8rem;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.cat-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}

.cat-title-si {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.cat-desc {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: auto;
}

.cat-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  border: 1px solid rgba(59, 130, 246, 0.15);
  margin-top: 1rem;
}

/* ----------------------------------------------------
   Channels List View Styling (Back navigation and Headers)
   ---------------------------------------------------- */
.view-header {
  margin-bottom: 2rem;
  animation: fadeIn 0.4s ease;
}

.view-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-top: 0.75rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.view-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-weight: 500;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition-smooth);
  font-size: 0.95rem;
}

.back-link:hover {
  transform: translateX(-4px);
}

/* ----------------------------------------------------
   Desktop Horizontal Row List View Layout
   ---------------------------------------------------- */
@media (min-width: 769px) {
  .channel-grid.list-layout {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .channel-grid.list-layout .channel-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2rem;
    gap: 2rem;
    min-height: auto;
    transform: none !important;
  }
  
  .channel-grid.list-layout .card-bg-thumbnail {
    opacity: 0.04 !important;
  }
  
  .channel-grid.list-layout .card-header {
    flex: 2;
    min-width: 0;
  }
  
  .channel-grid.list-layout .stats-container {
    flex: 1.5;
    justify-content: flex-start;
    gap: 1rem;
  }
  
  .channel-grid.list-layout .category-badge {
    flex: 1;
    text-align: center;
    align-self: center;
  }
  
  .channel-grid.list-layout .desc-section {
    flex: 3;
    min-width: 0;
  }
  
  .channel-grid.list-layout .channel-action {
    flex: 2;
    margin-top: 0;
    border-top: none;
    padding-top: 0;
    justify-content: flex-end;
  }
  
  .channel-grid.list-layout .card-buttons-row {
    justify-content: flex-end;
    align-items: center;
  }
  
  .channel-grid.list-layout .visit-btn {
    width: auto;
    padding: 0.75rem 1.25rem;
  }
  
  .channel-grid.list-layout .profile-btn {
    padding: 0.75rem 1.5rem;
  }
}

/* ----------------------------------------------------
   In-App Detail View Layout
   ---------------------------------------------------- */
.detail-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px) saturate(180%);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
  animation: fadeIn 0.4s ease-out;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1.5rem;
}

.detail-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  object-fit: cover;
}

.detail-info h2 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
}

.detail-info .handle {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 600;
}

.article-section h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.article-section p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.social-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  border: 1px solid var(--glass-border);
}

[data-theme="dark"] .social-block {
  background: rgba(255, 255, 255, 0.02);
}

@media (max-width: 768px) {
  .detail-header {
    flex-direction: column;
    text-align: center;
  }
  .detail-avatar {
    width: 100px;
    height: 100px;
  }
  .detail-info h2 {
    font-size: 1.6rem;
  }
}