@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables & Design System --- */
:root {
  /* Default Dark Mode colors (aligned with premium 0xFF0B0D17 space theme) */
  --bg-primary: hsl(230, 35%, 7%); /* #0B0D17 */
  --bg-secondary: hsl(232, 33%, 11%); /* #121424 */
  --bg-card: hsl(232, 33%, 11%); /* #121424 */
  --bg-ad: hsl(231, 33%, 9%); /* #0F111E */
  --border-color: rgba(255, 255, 255, 0.05);
  --text-primary: hsl(210, 40%, 98%);
  --text-secondary: hsl(215, 20%, 65%);
  --accent: hsl(288, 95%, 62%); /* purpleAccent */
  --accent-gradient: linear-gradient(135deg, hsl(288, 95%, 62%), hsl(322, 85%, 60%));
  --accent-glow: rgba(224, 64, 251, 0.35);
  --success: hsl(142, 72%, 29%);
  --success-text: hsl(142, 76%, 80%);
  --ad-badge-bg: rgba(255, 193, 7, 0.15);
  --ad-badge-text: hsl(45, 100%, 50%); /* Amber */
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --card-glow-active: rgba(224, 64, 251, 0.15);
  --card-radius: 16px;
  --transition-speed: 0.3s;
  
  /* Font Families */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* Light Mode Override */
[data-theme="light"] {
  --bg-primary: hsl(220, 33%, 97%);
  --bg-secondary: hsl(0, 0%, 100%);
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-ad: hsl(220, 33%, 94%);
  --border-color: rgba(0, 0, 0, 0.08);
  --text-primary: hsl(224, 71%, 4%);
  --text-secondary: hsl(220, 9%, 46%);
  --accent: hsl(288, 95%, 55%);
  --accent-gradient: linear-gradient(135deg, hsl(288, 95%, 55%), hsl(322, 85%, 50%));
  --accent-glow: rgba(224, 64, 251, 0.15);
  --success: hsl(142, 76%, 36%);
  --success-text: hsl(142, 72%, 15%);
  --ad-badge-bg: rgba(202, 138, 4, 0.1);
  --ad-badge-text: hsl(38, 92%, 40%);
  --card-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.08);
  --card-glow-active: rgba(224, 64, 251, 0.05);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* --- Layout --- */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  background: var(--accent-gradient);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-display);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Sleek Center Search Bar */
.header-search {
  flex: 1;
  max-width: 480px;
  margin: 0 2rem;
  display: flex;
  justify-content: center;
}

.search-input-wrapper {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  color: var(--text-secondary);
  pointer-events: none;
  transition: color var(--transition-speed) ease;
}

#search-trends-input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  background: rgba(12, 14, 24, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  outline: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
}

#search-trends-input:hover {
  background: rgba(12, 14, 24, 0.6);
  border-color: rgba(255, 255, 255, 0.12);
}

#search-trends-input:focus {
  background: rgba(12, 14, 24, 0.8);
  border-color: rgba(168, 85, 247, 0.6);
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.25), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

#search-trends-input:focus + .search-icon {
  color: var(--accent);
}

#search-trends-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

/* Light theme overrides for search */
[data-theme="light"] #search-trends-input {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] #search-trends-input:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] #search-trends-input:focus {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(168, 85, 247, 0.6);
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.2), inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#hamburger-drawer-trigger svg {
  transition: transform 0.3s ease;
}

#hamburger-drawer-trigger:hover svg {
  transform: rotate(90deg);
}

/* Button & Toggle Styling */
.btn-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed) ease;
}

.btn-toggle:hover {
  background-color: var(--border-color);
  border-color: var(--accent);
}

/* Main Content Area split */
.main-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
  flex-grow: 1;
}

/* Left Grid Feed container */
.feed-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.feed-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
}

/* Grid layout matching constraints (1, 2, or 3 cols) */
.trend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

/* Responsive constraints via media queries (similar to LayoutBuilder) */
@media (max-width: 800px) {
  .trend-grid {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .trend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .trend-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Main Content responsiveness */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}

/* --- Card Styles --- */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  aspect-ratio: 0.85; /* childAspectRatio in Flutter: 0.85 */
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              box-shadow 0.4s ease, 
              border-color var(--transition-speed) ease;
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 15px 35px -8px var(--card-glow-active);
}

.card-image-wrapper {
  position: relative;
  flex-grow: 1;
  background-color: rgba(0,0,0,0.2);
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Hover overlay action buttons on card image */
.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 60%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-speed) ease;
}

.card:hover .card-overlay {
  opacity: 1;
  pointer-events: auto;
}

.overlay-actions {
  display: flex;
  gap: 0.5rem;
}

.action-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: all 0.2s ease;
}

.action-btn:hover {
  background: #fff;
  color: var(--bg-primary);
  transform: scale(1.1);
}

.action-btn.liked {
  color: #ff3366;
  background: rgba(255, 51, 102, 0.2);
  border-color: rgba(255, 51, 102, 0.4);
}
.action-btn.liked:hover {
  background: #ff3366;
  color: #fff;
}

/* Card Content details */
.card-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  transition: background-color var(--transition-speed) ease;
}

.card-category {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 3.1rem;
}

/* --- Ad Placeholder Card Styling --- */
.card-ad, .card-ad-rendered {
  background-color: var(--bg-ad);
  border: 2px dashed var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  transition: all var(--transition-speed) ease;
}

.card-ad-rendered {
  border-style: solid;
  border-width: 1px;
  border-color: rgba(224, 64, 251, 0.2); /* purpleAccent withOpacity(0.2) */
  padding: 0;
}

.card-ad:hover {
  border-color: var(--accent);
  box-shadow: inset 0 0 20px rgba(139, 92, 246, 0.05), var(--card-shadow);
}

.ad-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  height: 100%;
  justify-content: center;
}

.ad-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: all var(--transition-speed) ease;
}

.card-ad:hover .ad-icon {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.ad-badge {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  background-color: var(--ad-badge-bg);
  color: var(--ad-badge-text);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ad-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.ad-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 200px;
}

/* Simulated Loaded Ad Style */
.ad-loaded {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  border-radius: var(--card-radius);
  overflow: hidden;
}

.ad-banner-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

/* --- Control Panel / Sidebar --- */
.control-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: fit-content;
  position: sticky;
  top: 90px;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-speed) ease;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.section-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.switch-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.switch-label {
  font-size: 0.95rem;
  font-weight: 500;
}

/* Standard HTML Switch toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background: var(--accent-gradient);
}

input:checked + .slider:before {
  transform: translateX(22px);
}

/* Code Snippet Box inside panel */
.code-preview-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tab-buttons {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  padding: 0.5rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  transition: all 0.2s ease;
}

.tab-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}

.code-box {
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.75rem;
  color: #cfd8dc;
  overflow-x: auto;
  white-space: pre;
  max-height: 250px;
}

/* Premium Reading Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 13, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  padding: 20px;
}

.modal-content-wrapper {
  background: var(--bg-card, #ffffff);
  border: 1px solid var(--border-color, rgba(0, 0, 0, 0.08));
  max-width: 800px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  border-radius: 20px;
  padding: 40px;
  position: relative;
  box-shadow: var(--card-shadow, 0 20px 50px rgba(0, 0, 0, 0.15));
  color: var(--text-primary, #111111);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--bg-secondary, #f3f4f6);
  border: 1px solid var(--border-color, rgba(0, 0, 0, 0.05));
  color: var(--text-primary, #111111);
  font-size: 16px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: var(--accent, #ff007f);
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-close-btn:hover {
  background: #e5e7eb;
  color: #111111;
  border-color: rgba(0, 0, 0, 0.1);
  transform: rotate(90deg);
}

/* Modal content typography and layout rules for high-contrast editorial view */
.modal-category {
  background: rgba(168, 85, 247, 0.1);
  color: #8b5cf6;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid rgba(168, 85, 247, 0.2);
  display: inline-block;
}

.modal-meta {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  color: #555555;
  font-size: 12px;
  font-family: var(--font-body);
}

.modal-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  color: #111111;
  margin: 0 0 24px;
  font-family: var(--font-display);
  letter-spacing: -0.5px;
}

.modal-hero-frame {
  width: 100%;
  height: 400px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 8px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.modal-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.unsplash-attribution {
  font-size: 11px;
  color: #475569;
  text-align: right;
  margin-top: 0;
  margin-bottom: 24px;
}

.unsplash-attribution a {
  color: #334155;
  font-weight: 500;
  text-decoration: underline;
}

.unsplash-attribution a:hover {
  color: #000000;
}

.unsplash-attribution--card {
  position: absolute;
  bottom: 6px;
  left: 6px;
  right: 6px;
  margin: 0;
  padding: 3px 6px;
  background: rgba(0, 0, 0, 0.6);
  color: rgba(255, 255, 255, 0.85);
  border-radius: 4px;
  font-size: 10px;
  text-align: left;
}

.unsplash-attribution--card a {
  color: rgba(255, 255, 255, 0.95);
}

.unsplash-attribution--card a:hover {
  color: #ffffff;
}

.modal-hero-frame + .modal-body-text {
  margin-top: 24px;
}

.modal-body-text {
  font-size: 17px;
  line-height: 1.85;
  color: #111111;
  font-family: var(--font-body);
  max-width: 720px;
  margin: 0 auto;
  white-space: pre-wrap;
}

.modal-body-text p {
  color: #111111;
  margin-bottom: 1.25rem;
}

.modal-telemetry-box {
  margin-top: 32px;
  padding: 24px;
  background: #f9fafb;
  border-radius: 12px;
  border: 1px dashed rgba(168, 85, 247, 0.3);
  text-align: center;
}

.modal-telemetry-box p {
  font-size: 14px;
  color: #555555;
  margin: 0 0 12px;
}

.modal-telemetry-box a {
  color: #8b5cf6;
  font-weight: 700;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.modal-telemetry-box a:hover {
  color: #7c3aed;
  text-decoration: underline;
}

.modal-sponsor-box {
  margin-top: 40px;
  padding: 20px;
  background: #f9fafb;
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 12px;
  text-align: center;
}

.modal-sponsor-box span {
  color: #d97706;
  font-family: monospace;
  font-size: 10px;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
}

.modal-sponsor-box div {
  font-size: 14px;
  color: #555555;
}

/* Modal Share Actions */
.modal-share-actions {
  display: flex;
  gap: 12px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.modal-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Inter', 'Outfit', sans-serif;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  background: #f8f9fa;
  color: #1a1a1a;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-share-btn:hover {
  background: #eef0f2;
  border-color: #c0c0c0;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.modal-share-btn--x {
  background: #000000;
  color: #ffffff;
  border-color: #000000;
}

.modal-share-btn--x:hover {
  background: #1a1a1a;
  border-color: #333333;
  color: #ffffff;
}

.modal-share-btn--fb {
  background: #1877F2;
  color: #ffffff;
  border-color: #1877F2;
}

.modal-share-btn--fb:hover {
  background: #1565d8;
  border-color: #1259c4;
  color: #ffffff;
}

.modal-share-btn--fb .modal-share-icon {
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
}

.modal-share-btn--wa {
  background: #25D366;
  color: #ffffff;
  border-color: #25D366;
}

.modal-share-btn--wa:hover {
  background: #1ebe57;
  border-color: #1aad4d;
  color: #ffffff;
}

.modal-share-icon {
  font-size: 16px;
  line-height: 1;
}

[data-theme="light"] .modal-share-btn {
  background: #f8f9fa;
  color: #1a1a1a;
  border-color: #e0e0e0;
}

[data-theme="light"] .modal-share-btn--x {
  background: #000000;
  color: #ffffff;
  border-color: #000000;
}

[data-theme="light"] .modal-share-btn--fb {
  background: #1877F2;
  color: #ffffff;
  border-color: #1877F2;
}

[data-theme="light"] .modal-share-btn--wa {
  background: #25D366;
  color: #ffffff;
  border-color: #25D366;
}

@media (max-width: 480px) {
  .modal-share-actions {
    flex-direction: column;
    gap: 8px;
  }

  .modal-share-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================
   PREMIUM JOURNALISM AESTHETIC OVERRIDE
   Force article modal to always use white background
   with crisp dark text regardless of theme
   ========================================== */

/* Article modal: Force white sheet background */
#article-modal .modal-content-wrapper {
  background-color: #ffffff !important;
  color: #111111 !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3) !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
}

/* Article modal: Force deep editorial tones for headings */
#article-modal .modal-title,
#article-modal h1,
#article-modal h2,
#article-modal h3 {
  color: #050505 !important;
  font-family: 'Outfit', sans-serif;
}

/* Article modal: Force readable ink contrast for body text */
#article-modal .modal-body-text,
#article-modal .modal-body-text p,
#article-modal p,
#article-modal li {
  color: #1f1f1f !important;
  line-height: 1.8;
}

/* Article modal: Force category badge visibility */
#article-modal .modal-category {
  background: rgba(168, 85, 247, 0.1) !important;
  color: #8b5cf6 !important;
  border: 1px solid rgba(168, 85, 247, 0.2) !important;
}

/* Article modal: Force meta text visibility */
#article-modal .modal-meta {
  color: #555555 !important;
}

/* Article modal: Ensure close button stays sharp on white background */
#article-modal .modal-close-btn {
  color: #555555 !important;
  background-color: #f0f0f2 !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
}

#article-modal .modal-close-btn:hover {
  background-color: #e4e6eb !important;
  color: #000000 !important;
  border-color: rgba(0, 0, 0, 0.15) !important;
}

/* Article modal: Force telemetry box visibility */
#article-modal .modal-telemetry-box {
  background: #f9fafb !important;
  border: 1px dashed rgba(168, 85, 247, 0.3) !important;
}

#article-modal .modal-telemetry-box p,
#article-modal .modal-telemetry-box a {
  color: #555555 !important;
}

#article-modal .modal-telemetry-box a:hover {
  color: #7c3aed !important;
}

/* Legal modal: Keep theme-adaptive styling (no override) */
#legal-modal .modal-content-wrapper {
  /* Inherits theme variables: var(--bg-card), var(--text-primary) */
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--accent-gradient);
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  transform: translateY(150%);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- Skeleton Loading States --- */
.skeleton {
  animation: skeleton-loading 1.5s infinite linear;
}

@keyframes skeleton-loading {
  0% {
    background-color: rgba(255, 255, 255, 0.05);
  }
  50% {
    background-color: rgba(255, 255, 255, 0.12);
  }
  100% {
    background-color: rgba(255, 255, 255, 0.05);
  }
}

/* Complete Override for Modal Scrollbar Minimalism */

/* 1. target the modal container scroll layer */
#article-modal, 
#article-modal-content,
.modal-scroll-container,
.modal-content-wrapper {
  scrollbar-width: thin; /* Firefox Support */
  scrollbar-color: rgba(0, 0, 0, 0.15) transparent; /* Firefox Support */
}

/* 2. Webkit Engine Customization (Chrome, Safari, Edge) */
#article-modal::-webkit-scrollbar,
#article-modal-content::-webkit-scrollbar,
.modal-content-wrapper::-webkit-scrollbar {
  width: 6px; /* Ultra slim width matching the highlighted layout */
}

/* Make the track track invisible so it blends perfectly with the modal wall background */
#article-modal::-webkit-scrollbar-track,
#article-modal-content::-webkit-scrollbar-track,
.modal-content-wrapper::-webkit-scrollbar-track {
  background: transparent; 
}

/* Define ONLY the translucent capsule thumb highlighted in scroll1.jpg */
#article-modal::-webkit-scrollbar-thumb,
#article-modal-content::-webkit-scrollbar-thumb,
.modal-content-wrapper::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12); /* Subtle dark tint against white mode */
  border-radius: 20px;
  transition: background 0.2s ease;
}

/* Gentle reveal shift when cursor approaches target zone */
#article-modal::-webkit-scrollbar-thumb:hover,
#article-modal-content::-webkit-scrollbar-thumb:hover,
.modal-content-wrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(168, 85, 247, 0.4); /* Smooth glow on active focus */
}

/* Explicitly strip the native native system step navigation arrow buttons */
#article-modal::-webkit-scrollbar-button,
#article-modal-content::-webkit-scrollbar-button,
.modal-content-wrapper::-webkit-scrollbar-button {
  display: none !important;
  width: 0;
  height: 0;
}

/* Premium Language Toggle Control - Theme Adaptive */
#language-toggle-btn {
  background: var(--bg-secondary, #121424);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  color: var(--text-primary, #ffffff);
  padding: 8px 16px;
  border-radius: 20px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

#language-toggle-btn:hover {
  background: var(--accent, #a855f7);
  border-color: var(--accent, #a855f7);
  color: #ffffff;
  box-shadow: 0 0 15px var(--accent-glow, rgba(168, 85, 247, 0.2));
  transform: translateY(-1px);
}

#category-drawer #language-toggle-btn {
  display: flex !important;
  width: calc(100% - 32px) !important;
  max-width: 100% !important;
  margin: 20px 16px !important;
  justify-content: center !important;
  align-items: center !important;
  height: 44px !important;
  border-radius: 22px !important;
  background: var(--bg-card, rgba(255, 255, 255, 0.05)) !important;
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1)) !important;
  color: var(--text-primary, #ffffff) !important;
}

/* Premium Frosted Obsidian Backdrop & Category Drawer */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 13, 23, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

#category-drawer {
  width: 350px;
  height: 100vh;
  position: fixed;
  right: -350px;
  top: 0;
  z-index: 1000;
  background: rgba(12, 14, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  padding: 2.5rem 2rem;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--text-primary);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

#category-drawer.active {
  transform: translateX(-350px);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}

.drawer-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.6rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.drawer-close-btn:hover {
  color: var(--accent);
  background: rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.2);
  transform: rotate(90deg);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  /* Natural layout - no flex-grow to avoid forcing inner scroll */
  /* Let categories flow naturally within parent drawer scroll */
  padding-right: 0.5rem;
}

/* Category Button items styling */
.category-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.category-btn:hover, .category-btn.active {
  color: var(--text-primary);
  background: rgba(168, 85, 247, 0.12);
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.15);
  transform: translateY(-1px);
}

.category-btn:active {
  transform: translateY(0);
}

/* Newsletter Container in Category Drawer Base */
.drawer-subscribe-container {
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.subscribe-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subscribe-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 1.2rem;
}

#drawer-subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.subscribe-input-wrapper input {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  outline: none;
  transition: all 0.3s ease;
}

.subscribe-input-wrapper input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.25);
}

.btn-subscribe {
  width: 100%;
  padding: 10px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent-gradient);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--accent-glow);
  transition: all 0.3s ease;
}

.btn-subscribe:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(168, 85, 247, 0.5);
}

.btn-subscribe:active {
  transform: translateY(0);
}

/* Light theme overrides */
[data-theme="light"] #category-drawer {
  background: rgba(255, 255, 255, 0.85);
  border-left-color: rgba(0, 0, 0, 0.08);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

[data-theme="light"] .category-btn {
  background: rgba(0, 0, 0, 0.01);
  border-color: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .category-btn:hover, [data-theme="light"] .category-btn.active {
  background: rgba(168, 85, 247, 0.08);
  border-color: rgba(168, 85, 247, 0.2);
}

[data-theme="light"] .drawer-subscribe-container {
  border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .subscribe-input-wrapper input {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
  color: var(--text-primary);
}

[data-theme="light"] .subscribe-input-wrapper input:focus {
  border-color: var(--accent);
  background: #fff;
}

/* Header Responsive Overrides */
@media (max-width: 820px) {
  .app-header {
    padding: 0.8rem 1.5rem;
  }
  
  .logo-text {
    display: none; /* Hide logo text to avoid center collision */
  }
  
  .header-search {
    margin: 0 1rem;
  }
}

@media (max-width: 580px) {
  .app-header {
    padding: 0.8rem 1rem;
  }
  
  .header-search {
    margin: 0 0.5rem;
  }
  
  #search-trends-input {
    padding: 8px 12px 8px 34px;
    font-size: 0.85rem;
  }
  
  .search-icon {
    left: 12px;
    font-size: 0.85rem;
  }
}

/* Custom Empty State Container & Animations */
.empty-state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile Search Container desktop styles (hidden by default) */
.mobile-search-container {
  display: none;
}

/* Safe Mobile Responsiveness media block */
@media (max-width: 768px) {
  /* Viewport Lock: Freeze root HTML and body to prevent horizontal finger scrolling */
  html, body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    position: relative;
  }

  /* Remove Parent Deflection */
  .main-content, main, .content-wrapper {
    width: 100% !important;
    max-width: 100vw !important;
    padding: 16px 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
  }

  /* Complete Grid Polish: Explicitly lock down grid width to prevent breakout */
  #trends-grid, #trendGrid, .trend-grid {
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    padding: 0 16px !important;
  }

  /* Card Boundary Enforcer */
  .card {
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .card-img, .card-image-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Expand main layout container padding on mobile */
  .main-content {
    gap: 16px !important;
  }

  .main-content h1, .trending-title, #trending-now-title {
    padding: 24px 16px 12px 16px !important;
    margin: 0 !important;
    font-size: 28px !important;
  }

  /* Expand narrow article modal width and optimize paddings/dimensions for mobile */
  .modal-overlay {
    padding: 10px !important;
  }

  .modal-content-wrapper {
    width: 94vw !important;
    max-width: 94vw !important;
    margin: 10px auto !important;
    padding: 24px 16px !important;
    border-radius: 12px !important;
    max-height: 90vh !important;
  }

  .modal-body-text, .modal-body-text p {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .modal-close-btn {
    top: 12px !important;
    right: 12px !important;
    width: 36px !important;
    height: 36px !important;
    font-size: 14px !important;
  }

  .modal-title {
    font-size: 24px !important;
    margin-bottom: 16px !important;
  }

  .modal-hero-frame {
    height: 220px !important;
    margin-bottom: 6px !important;
  }

  .unsplash-attribution {
    text-align: center !important;
    margin-bottom: 16px !important;
  }

  .modal-body-text {
    font-size: 15px !important;
    line-height: 1.65 !important;
  }

  /* Header Simplification */
  .app-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
    padding: 12px 16px !important;
  }

  .app-header button {
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .app-header #language-toggle-btn {
    width: 120px !important;
    height: 40px !important;
    padding: 0 10px !important;
    font-size: 11px !important;
  }



  /* Drawer Isolation & Stacking */
  #category-drawer {
    position: fixed !important;
    top: 0 !important;
    right: -85% !important;
    width: 85vw !important;
    height: 100vh !important;
    z-index: 9999 !important;
    overflow-y: auto !important;
    padding-bottom: 40px !important;
    transform: none !important;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  #category-drawer.active {
    right: 0 !important;
    transform: none !important;
  }

  /* Backdrop Protection */
  #category-drawer-backdrop {
    z-index: 9998 !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
  }

  #category-drawer-backdrop.active {
    background: rgba(0, 0, 0, 0.6) !important;
  }

  /* Newsletter Flex Anchor */
  .drawer-subscribe-container {
    margin-top: auto !important;
    padding: 20px 0 !important;
    box-sizing: border-box !important;
    width: 100% !important;
  }

  /* Header Search Integration: style the top .app-header to display its children dynamically on mobile viewports */
  .app-header .header-search {
    display: flex !important;
    flex: 1 !important;
    margin: 0 12px !important;
    max-width: 50% !important;
    height: 36px !important;
  }

  .app-header .search-input-wrapper {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    position: relative !important;
  }

  .app-header #search-trends-input {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    font-size: 14px !important;
    padding: 8px 12px 8px 34px !important;
  }

  .app-header .search-icon {
    display: block !important;
    left: 12px !important;
    font-size: 0.85rem !important;
  }
}

/* ==========================================
 * CUMULATIVE LAYOUT SHIFT (CLS) PREVENTION
 * Strict bounding box for <trend-ad-slot> to eliminate layout shift
 * ========================================== */
trend-ad-slot {
  display: block;
  width: 100%;
  min-height: 250px;
  max-height: 600px;
  contain: layout size style;
  content-visibility: auto;
  background: var(--bg-ad);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
}

/* Prevent shadow DOM content from causing reflow */
trend-ad-slot::part(container) {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

/* Card wrapper for ad slots in grid */
.card-ad {
  display: block;
  width: 100%;
  min-height: 250px;
  contain: layout size;
  background: transparent;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

.card-ad trend-ad-slot {
  width: 100%;
  height: 100%;
  min-height: 250px;
}

/* Ensure grid children maintain aspect ratio */
.trend-grid > .card-ad {
  aspect-ratio: 0.85;
  min-height: 250px;
}

/* High-intent ad slot styling (enhanced visual hierarchy) */
trend-ad-slot[ad-type="high-intent"] {
  border-color: rgba(255, 0, 127, 0.3);
  box-shadow: 0 0 20px rgba(255, 0, 127, 0.15);
}

/* Loading state to prevent flash of unstyled content */
trend-ad-slot:not(:defined) {
  background: var(--bg-ad);
  min-height: 250px;
  display: block;
}

/* Skeleton loader for uninitialized ad slots */
trend-ad-slot:not(.loaded)::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--bg-ad) 0%,
    rgba(255, 255, 255, 0.02) 50%,
    var(--bg-ad) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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

/* ==========================================
 * COOKIE CONSENT BANNER (GDPR/CCPA/AdSense Compliance)
 * ========================================== */

#cookie-consent-banner {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Slide up animation when banner appears */
@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Slide down animation when banner is dismissed */
@keyframes slideDown {
  from {
    transform: translateY(0);
    opacity: 1;
  }
  to {
    transform: translateY(100%);
    opacity: 0;
  }
}

/* Cookie banner button hover effects */
#cookie-consent-banner #accept-cookies-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 0, 127, 0.4);
}

#cookie-consent-banner #decline-cookies-btn:hover {
  background: var(--bg-secondary, rgba(255, 255, 255, 0.05));
  border-color: var(--text-secondary, #888);
}

/* Cookie banner policy link hover */
#cookie-consent-banner .cookie-policy-link:hover {
  opacity: 0.8;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  #cookie-consent-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem;
  }

  #cookie-consent-banner > div:first-child {
    min-width: 100%;
  }

  #cookie-consent-banner > div:last-child {
    width: 100%;
    justify-content: stretch;
  }

  #cookie-consent-banner button {
    flex: 1;
  }
}