/* @font-face Definitions */
@font-face {
  font-family: 'Concurso';
  src: url('./concurso.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Melodrame';
  src: url('./Relationship of mélodrame.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Instruction';
  src: url('./Instruction.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Custom Properties for Theme Management */
:root[data-theme="dark"] {
  --bg-primary: #000000;
  --bg-secondary: #0d0d0d;
  --bg-tertiary: #171717;
  --text-primary: #facc15; /* Yellow */
  --text-secondary: #fef08a; /* Light Yellow */
  --text-muted: #a16207; /* Darker Yellow */
  --accent: #facc15; /* Yellow accent */
  --accent-hover: #fef08a;
  --border-color: #2e2a05;
  --shadow-color: rgba(250, 204, 21, 0.03);
  --card-glow: rgba(250, 204, 21, 0.08);
}

:root[data-theme="light"] {
  --bg-primary: #fef08a; /* Yellow primary */
  --bg-secondary: #fef9c3; /* Lighter yellow */
  --bg-tertiary: #fef08a;
  --text-primary: #000000; /* Black */
  --text-secondary: #1c1917; /* Dark grey */
  --text-muted: #71717a;
  --accent: #000000; /* Black accent */
  --accent-hover: #27272a;
  --border-color: #eab308;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --card-glow: rgba(0, 0, 0, 0.05);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
  font-family: 'Melodrame', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  font-size: 1.25rem;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Concurso', 'Melodrame', serif;
  font-weight: normal;
  letter-spacing: 0.05em;
}

/* Header */
.navbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 1.2rem 2.5rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 6px -1px var(--shadow-color);
}

.theme-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(15deg);
}

:root[data-theme="dark"] .sun-icon { display: block; }
:root[data-theme="dark"] .moon-icon { display: none; }
:root[data-theme="light"] .sun-icon { display: none; }
:root[data-theme="light"] .moon-icon { display: block; }

/* Main Container */
.main-container {
  flex: 1;
  width: 100%;
  max-width: 950px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* Hero Section */
.hero {
  text-align: center;
  margin-bottom: 3.5rem;
}

.hero h1 {
  font-size: 4.8rem;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
}

.hero .subtitle {
  font-size: 1.35rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* Tabs */
.tabs-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2.2rem;
  box-shadow: 0 10px 25px -5px var(--shadow-color);
}

.tabs-list {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.8rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.2rem;
}

.tab-button {
  background: none;
  border: none;
  font-family: 'Concurso', serif;
  font-size: 1.45rem;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  cursor: pointer;
  position: relative;
}

.tab-button::after {
  content: '';
  position: absolute;
  bottom: -21px;
  left: 0;
  width: 100%;
  height: 3.5px;
  background-color: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

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

.tab-button.active::after {
  transform: scaleX(1);
}

.tab-button:hover {
  color: var(--accent-hover);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

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

/* Tab 1: Search Gioco (Instruction Font applied here) */
#search-tab {
  font-family: 'Instruction', 'Melodrame', sans-serif;
}

.search-wrapper {
  margin-bottom: 2.5rem;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem 1.4rem;
  position: relative;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--card-glow);
}

.search-icon {
  color: var(--text-secondary);
  margin-right: 1rem;
}

#search-input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1.35rem;
  font-family: 'Instruction', sans-serif;
  width: 100%;
}

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

.clear-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0 0.5rem;
}

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

/* Results Grid */
.results-grid {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.game-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.4rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.game-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 20px var(--shadow-color), 0 0 14px var(--card-glow);
}

.game-info h3 {
  font-size: 1.65rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.game-meta {
  font-size: 1.1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.episode-name {
  color: var(--accent);
}

.time-stamp {
  background-color: var(--bg-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: 7px;
  border: 1px solid var(--border-color);
}

.btn-open {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--accent);
  color: var(--bg-primary); /* Contrasting text color */
  padding: 0.75rem 1.4rem;
  border-radius: 10px;
  text-decoration: none;
  font-family: 'Concurso', serif;
  font-size: 1.1rem;
  transition: background-color 0.2s ease;
  border: none;
  cursor: pointer;
}

:root[data-theme="light"] .btn-open {
  color: #ffffff; /* White text on black button in Light Theme */
}

.btn-open:hover {
  opacity: 0.85;
}

/* Tab 2: Sfoglia per Puntata */
.browse-wrapper {
  margin-bottom: 2.8rem;
  display: flex;
  justify-content: center;
}

.select-container {
  position: relative;
  width: 100%;
  max-width: 500px;
}

#episode-select {
  width: 100%;
  padding: 1rem 1.4rem;
  font-family: 'Melodrame', sans-serif;
  font-size: 1.25rem;
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  appearance: none;
  outline: none;
  cursor: pointer;
}

#episode-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--card-glow);
}

.select-arrow {
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-secondary);
}

/* Episode Details View */
.episode-details-container {
  animation: fadeIn 0.4s ease;
  border-top: 1px solid var(--border-color);
  padding-top: 2.2rem;
}

.episode-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2.2rem;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.episode-header h2 {
  font-size: 2.1rem;
  color: var(--text-primary);
}

.episode-meta {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.meta-badge {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 1rem;
  border-radius: 24px;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.yt-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: #ff0000;
  color: #ffffff;
  padding: 0.5rem 1.2rem;
  border-radius: 24px;
  text-decoration: none;
  font-size: 1.05rem;
  font-family: 'Concurso', serif;
  transition: opacity 0.2s ease;
}

.yt-button:hover {
  opacity: 0.9;
}

.games-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Tab 3: Ordine Alfabetico */
.alpha-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.alpha-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  background-color: var(--bg-secondary);
  padding: 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  justify-content: center;
  position: sticky;
  top: 15px; /* Sticky alpha jump bar! */
  z-index: 10;
  box-shadow: 0 6px 12px var(--shadow-color);
}

.alpha-nav-btn {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.9rem;
  font-family: 'Concurso', serif;
  font-size: 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  min-width: 42px;
  text-align: center;
  transition: all 0.2s ease;
}

.alpha-nav-btn:hover {
  background-color: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
  transform: translateY(-2px) scale(1.08);
}

:root[data-theme="light"] .alpha-nav-btn:hover {
  color: #ffffff;
}

.alpha-section {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
  scroll-margin-top: 120px; /* offset for sticky alpha jump header */
}

.alpha-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.alpha-letter {
  font-family: 'Concurso', serif;
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  border-left: 4px solid var(--accent);
  padding-left: 0.8rem;
}

/* Empty / Helper States */
.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  color: var(--text-secondary);
  font-size: 1.25rem;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2.5rem;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 1rem;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .navbar {
    padding: 1rem;
  }
  .main-container {
    padding: 1.5rem 1rem;
  }
  .hero h1 {
    font-size: 3rem;
  }
  .tabs-container {
    padding: 1rem;
  }
  .game-card {
    flex-direction: column;
    align-items: stretch;
    gap: 1.2rem;
  }
  .btn-open {
    text-align: center;
    justify-content: center;
  }
  .episode-header {
    flex-direction: column;
    align-items: stretch;
  }
  .episode-meta {
    justify-content: space-between;
  }
}