/* OmniBus Atlas - Global Stylesheet */
:root {
  --bg-main: #090d16;
  --bg-card: #131b2e;
  --bg-card-hover: #1a253f;
  --bg-surface: #1e293b;
  --bg-glass: rgba(19, 27, 46, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(245, 158, 11, 0.5);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-gold: #f59e0b;
  --accent-gold-hover: #d97706;
  --accent-blue: #38bdf8;
  --accent-cyan: #06b6d4;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

[data-theme="light"] {
  --bg-main: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-surface: #e2e8f0;
  --bg-glass: rgba(255, 255, 255, 0.9);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-active: #f59e0b;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* RTL Support for Arabic */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="rtl"] .dropdown-menu {
  right: auto;
  left: 0;
}

[dir="rtl"] .search-icon {
  left: auto;
  right: 1.25rem;
}

[dir="rtl"] .search-input {
  padding-right: 3rem;
  padding-left: 1rem;
}

/* Containers */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 0;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-gold), #ef4444);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--accent-gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.lang-btn:hover {
  border-color: var(--accent-gold);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  display: none;
  flex-direction: column;
  z-index: 110;
  overflow: hidden;
}

.lang-dropdown.open {
  display: flex;
}

.lang-option {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.6rem 1rem;
  text-align: left;
  font-size: 0.88rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  transition: var(--transition);
}

.lang-option:hover, .lang-option.active {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold);
  font-weight: 600;
}

/* Ad Placement Containers */
.ad-container {
  margin: 1.75rem auto;
  text-align: center;
  background: rgba(19, 27, 46, 0.4);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.ad-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  font-weight: 700;
}

.ad-leaderboard {
  max-width: 970px;
  min-height: 90px;
}

.ad-infeed {
  width: 100%;
  min-height: 120px;
}

/* Hero Section */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 650px;
  height: 350px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, rgba(56, 189, 248, 0.05) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent-gold);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* Stats Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.25rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent-gold);
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-gold);
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Search & Filter Toolbar */
.control-toolbar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
}

.search-box {
  position: relative;
  margin-bottom: 1.25rem;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.2rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.95rem 1rem 0.95rem 3.2rem;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip-btn {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.chip-btn:hover, .chip-btn.active {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #000;
  font-weight: 700;
}

.filter-selects {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.select-ctrl {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
}

.select-ctrl:focus {
  outline: none;
  border-color: var(--accent-gold);
}

/* Bus Grid */
.bus-catalog-section {
  padding: 1.5rem 0 4rem;
}

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

.result-count {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.bus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.75rem;
}

/* Bus Card */
.bus-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.bus-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md);
}

.card-media {
  position: relative;
  width: 100%;
  height: 225px;
  background-color: #0b0f19;
  overflow: hidden;
}

.bus-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.bus-card:hover .bus-img {
  transform: scale(1.04);
}

.badge-country {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-category {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  background: rgba(245, 158, 11, 0.9);
  color: #000;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
}

.card-body {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.card-subtitle {
  font-size: 0.88rem;
  color: var(--accent-gold);
  font-weight: 500;
  margin-bottom: 0.85rem;
}

.card-excerpt {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Quick Specs Chips */
.spec-chips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  background: var(--bg-main);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.spec-chip-item {
  display: flex;
  flex-direction: column;
}

.chip-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.chip-val {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: auto;
}

.btn-detail {
  width: 100%;
  background: linear-gradient(90deg, #2563eb, #1d4ed8);
  color: #fff;
  border: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  text-decoration: none;
}

.btn-detail:hover {
  background: linear-gradient(90deg, #3b82f6, #2563eb);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

/* In-Feed Banner in Grid */
.in-feed-card {
  grid-column: 1 / -1;
  background: var(--bg-card);
  border: 1px dashed rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}

/* Modal Dialog for Bus Details */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-surface);
}

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

.modal-title {
  font-size: 1.45rem;
  font-weight: 700;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.modal-body {
  padding: 1.75rem;
  overflow-y: auto;
  flex-grow: 1;
}

.modal-image-wrapper {
  position: relative;
  width: 100%;
  max-height: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: #000;
}

.modal-image {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
}

.modal-image-caption {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.6rem 0.8rem;
  background: var(--bg-main);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Modal Tabs */
.modal-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-primary);
}

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

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Specs Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.specs-table th, .specs-table td {
  padding: 0.85rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.92rem;
}

[dir="rtl"] .specs-table th, [dir="rtl"] .specs-table td {
  text-align: right;
}

.specs-table tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.specs-table th {
  color: var(--text-secondary);
  font-weight: 600;
  width: 35%;
}

.specs-table td {
  color: var(--text-primary);
  font-weight: 500;
}

/* Modal Footer */
.modal-footer {
  padding: 1rem 1.75rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-bus-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.nav-bus-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.share-btn {
  background: var(--accent-gold);
  border: none;
  color: #000;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.share-btn:hover {
  background: var(--accent-gold-hover);
}

/* Cookie Preferences Modal & Banner */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--accent-gold);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: none;
  flex-direction: column;
  gap: 1rem;
}

.cookie-banner.show {
  display: flex;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.btn-cookie-accept {
  background: var(--accent-gold);
  color: #000;
  border: none;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
}

.btn-cookie-manage {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
}

/* Site Footer */
.site-footer {
  margin-top: auto;
  background: #070a11;
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-col p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a, .footer-links button {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  transition: var(--transition);
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

[dir="rtl"] .footer-links a, [dir="rtl"] .footer-links button {
  text-align: right;
}

.footer-links a:hover, .footer-links button:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-title { font-size: 2.2rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
}

@media (max-width: 640px) {
  .hero-title { font-size: 1.8rem; }
  .hero-desc { font-size: 1rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .bus-grid { grid-template-columns: 1fr; }
  .control-toolbar { padding: 1rem; }
  .filter-row { flex-direction: column; align-items: stretch; }
  .filter-selects { width: 100%; justify-content: space-between; }
  .modal-overlay { padding: 0.75rem; }
  .modal-header { padding: 1rem; }
  .modal-body { padding: 1rem; }
  .modal-tabs { overflow-x: auto; }
}