/* ==========================================================================
   RadioPosition Web Application — Design System & Styles
   ========================================================================== */

/* Smart App Banner (Mobile Store Banner) */
.smart-app-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface-color);
  border-bottom: 1px solid var(--card-border);
  padding: 10px 16px;
  position: sticky;
  top: 0;
  z-index: 1001;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.smart-banner-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.smart-banner-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  object-fit: cover;
}
.smart-banner-info {
  flex: 1;
  min-width: 0;
}
.smart-banner-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.smart-banner-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
}
.smart-banner-btn {
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 16px;
  border-radius: 20px;
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: transform 0.2s ease;
}
.smart-banner-btn:hover {
  transform: scale(1.04);
}

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

:root {
  /* Default Theme: Coral Sunset */
  --primary-color: #FF5A36;
  --secondary-color: #FF8A00;
  --primary-gradient: linear-gradient(135deg, #FF5A36 0%, #FF8A00 100%);
  --primary-glow: rgba(255, 90, 54, 0.4);

  /* Dark Mode Default Tokens */
  --bg-color: #0B0E14;
  --surface-color: #121824;
  --card-bg: rgba(23, 31, 46, 0.75);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover-border: rgba(255, 90, 54, 0.3);
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-red: #EF4444;
  --accent-green: #10B981;
  
  /* Glassmorphism */
  --glass-bg: rgba(18, 24, 36, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(20px);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
  --bg-color: #F8FAFC;
  --surface-color: #FFFFFF;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(0, 0, 0, 0.08);
  --card-hover-border: rgba(255, 90, 54, 0.4);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
}

/* Theme Accents */
body[data-accent="cyberpunk"] {
  --primary-color: #00F0FF;
  --secondary-color: #FF007A;
  --primary-gradient: linear-gradient(135deg, #00F0FF 0%, #FF007A 100%);
  --primary-glow: rgba(0, 240, 255, 0.4);
}

body[data-accent="emerald"] {
  --primary-color: #10B981;
  --secondary-color: #059669;
  --primary-gradient: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --primary-glow: rgba(16, 185, 129, 0.4);
}

body[data-accent="midnight"] {
  --primary-color: #8B5CF6;
  --secondary-color: #6366F1;
  --primary-gradient: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);
  --primary-glow: rgba(139, 92, 246, 0.4);
}

body[data-accent="sunset"] {
  --primary-color: #EC4899;
  --secondary-color: #F43F5E;
  --primary-gradient: linear-gradient(135deg, #EC4899 0%, #F43F5E 100%);
  --primary-glow: rgba(236, 72, 153, 0.4);
}

body[data-accent="golden"] {
  --primary-color: #F59E0B;
  --secondary-color: #D97706;
  --primary-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --primary-glow: rgba(245, 158, 11, 0.4);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
  padding-bottom: 90px; /* Space for mini player */
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.85;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
  background: none;
  transition: var(--transition);
}

/* App Header & Navbar */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 24px;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
}

.brand-logo img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px var(--primary-glow));
}

.brand-logo span {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-item:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: #FFFFFF;
  background: var(--primary-gradient);
  box-shadow: 0 4px 14px var(--primary-glow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.select-control {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.select-control:hover {
  border-color: var(--primary-color);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.icon-btn:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Main Container & Layout */
.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.tab-content {
  display: none !important;
}

.tab-content.active {
  display: block !important;
  animation: fadeIn 0.3s ease;
}

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

/* Hero & Search Section */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  margin-bottom: 32px;
}

.featured-banner {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 240px;
  backdrop-filter: var(--glass-blur);
}

.banner-glow {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: var(--primary-gradient);
  opacity: 0.18;
  filter: blur(60px);
  border-radius: 50%;
  pointer-events: none;
}

.banner-content h1 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 8px;
}

.banner-content p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 540px;
}

.search-box {
  position: relative;
  max-width: 480px;
  border-radius: var(--radius-full);
}

.search-box input {
  width: 100%;
  padding: 12px 18px 12px 48px;
  background: var(--surface-color);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary-color);
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.search-box svg {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 20px;
  height: 20px;
}

/* Sidebar Ad Container */
.ad-sidebar-card {
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.ad-badge {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Section Header & Chips */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tags-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 24px;
  scrollbar-width: none;
}

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

.tag-chip {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
}

.tag-chip:hover, .tag-chip.active {
  background: var(--primary-gradient);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Station Grid Cards */
.station-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.station-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: var(--transition);
  backdrop-filter: var(--glass-blur);
}

.station-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-hover-border);
  box-shadow: var(--shadow-lg);
}

.card-top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.station-img-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-color);
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.station-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.station-info {
  flex: 1;
  min-width: 0;
}

.station-name {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.station-meta {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
}

.fav-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.fav-btn:hover, .fav-btn.active {
  color: var(--primary-color);
  background: rgba(255, 90, 54, 0.1);
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--card-border);
  padding-top: 12px;
}

.play-station-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--primary-gradient);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 4px 12px var(--primary-glow);
  transition: var(--transition);
}

.play-station-btn:hover {
  transform: scale(1.03);
}

/* Map Section */
#map-container {
  width: 100%;
  height: 540px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* Bottom Sticky Mini Player */
.mini-player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  padding: 12px 24px;
}

.player-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.player-station-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 220px;
}

.player-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.play-main-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--primary-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--primary-glow);
  transition: var(--transition);
}

.play-main-btn:hover {
  transform: scale(1.08);
}

/* Audio Visualizer Bar Animation */
.live-wave-indicator {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 16px;
}

.wave-bar {
  width: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite alternate;
}

.wave-bar:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.wave-bar:nth-child(2) { height: 80%; animation-delay: 0.3s; }
.wave-bar:nth-child(3) { height: 50%; animation-delay: 0.5s; }

@keyframes wave {
  0% { height: 20%; }
  100% { height: 100%; }
}

/* Modals System */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--surface-color);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.close-modal-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Timer Modal Elements */
.timer-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.timer-opt-btn {
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 15px;
}

.timer-opt-btn:hover {
  background: var(--primary-gradient);
  color: #FFFFFF;
}

.active-timer-banner {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.cancel-timer-btn {
  background: var(--accent-red);
  color: #FFFFFF;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
}

/* Footer */
.app-footer {
  max-width: 1280px;
  margin: 40px auto 0;
  padding: 24px;
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

/* ==========================================================================
   Comprehensive Responsive Breakpoints (Tablet & Mobile UI Polish)
   ========================================================================== */

/* Tablet & Medium Screens (max-width: 992px) */
@media (max-width: 992px) {
  .app-header {
    padding: 10px 16px;
  }

  .header-container {
    gap: 12px;
  }

  .main-content {
    padding: 16px 16px 100px;
  }

  .station-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
  }

  .hero-section {
    grid-template-columns: 1fr;
  }

  .featured-banner {
    padding: 28px 20px;
  }

  .featured-banner h1 {
    font-size: 1.8rem;
  }

  #map-container {
    height: 440px;
  }
}

/* Mobile Devices & Small Screens (max-width: 768px) */
@media (max-width: 768px) {
  body {
    padding-bottom: 95px;
  }

  .app-header {
    padding: 8px 12px;
  }

  .header-container {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
  }

  .brand-logo {
    font-size: 18px;
  }

  .brand-logo img {
    width: 32px;
    height: 32px;
  }

  .header-actions {
    gap: 6px;
  }

  .select-control {
    padding: 6px 10px;
    font-size: 12px;
  }

  /* Navigation Tabs: Horizontal Scrollable Bar on Mobile */
  .nav-links {
    width: 100%;
    order: 3;
    overflow-x: auto;
    white-space: nowrap;
    padding: 4px 0;
    gap: 6px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-item {
    padding: 6px 14px;
    font-size: 13px;
    flex-shrink: 0;
  }

  .nav-item span {
    display: inline !important;
  }

  /* Station Grid: 2 Columns Side-by-Side on Mobile */
  .station-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .station-card {
    padding: 12px 10px;
    border-radius: 14px;
  }

  .station-logo {
    width: 52px;
    height: 52px;
    border-radius: 12px;
  }

  .station-name {
    font-size: 13px;
  }

  .station-genre {
    font-size: 11px;
  }

  .hero-section {
    margin-bottom: 20px;
  }

  .featured-banner {
    padding: 20px 16px;
    border-radius: 16px;
  }

  .featured-banner h1 {
    font-size: 1.4rem;
  }

  .featured-banner p {
    font-size: 13px;
    margin-bottom: 14px;
  }

  .search-box {
    padding: 8px 12px;
  }

  .search-box input {
    font-size: 13px;
  }

  #map-container {
    height: 380px;
    border-radius: 14px;
  }

  /* Section Headers */
  .section-header {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 8px !important;
  }

  .section-title {
    font-size: 17px;
  }

  /* Mini Player Mobile Optimization */
  .mini-player {
    left: 8px;
    right: 8px;
    bottom: 8px;
    padding: 8px 12px;
    border-radius: 16px;
  }

  .mini-player-img {
    width: 40px;
    height: 40px;
  }

  #mini-player-title {
    font-size: 13px;
  }

  /* Modals on Mobile */
  .modal-card {
    width: 94%;
    padding: 20px 16px;
    border-radius: 20px;
    max-height: 88vh;
  }

  .timer-options {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .timer-opt-btn {
    padding: 10px;
    font-size: 14px;
  }

  .rate-action-btn, .rate-store-btn {
    font-size: 13px;
    padding: 10px 12px;
  }

  /* Footer */
  .app-footer {
    flex-direction: column;
    text-align: center;
    gap: 12px;
    padding: 20px 16px;
  }
}

/* Extra Small Mobile Devices (max-width: 420px) */
@media (max-width: 420px) {
  .station-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .station-card {
    padding: 10px 8px;
  }

  .station-logo {
    width: 46px;
    height: 46px;
  }

  .header-actions select option {
    font-size: 11px;
  }
}