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

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --accent: #e94560;
  --accent-glow: rgba(233, 69, 96, 0.6);
  --text-primary: #eee;
  --text-secondary: #aaa;
  --radius: 12px;
  --cat-icone: #00d2ff;
  --cat-reazioni: #f5a623;
  --cat-personaggi: #7b68ee;
  --cat-sigle: #e94560;
  --cat-effetti: #50fa7b;
  --cat-default: #e94560;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

/* ===== Header ===== */
.header {
  text-align: center;
  padding: 24px 16px 8px;
}

.header__logo {
  max-width: 240px;
  width: 60%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.header__subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-top: 4px;
}

/* ===== Controls ===== */
.controls {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-primary);
  padding: 12px 16px;
}

.search-bar__input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-bar__input::placeholder {
  color: var(--text-secondary);
}

.search-bar__input:focus {
  border-color: var(--accent);
}

/* ===== Categories ===== */
.categories {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.categories::-webkit-scrollbar {
  display: none;
}

.category-btn {
  flex-shrink: 0;
  padding: 8px 16px;
  border: 2px solid var(--text-secondary);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

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

.category-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ===== Soundboard Grid ===== */
.soundboard {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  padding: 12px 16px 32px;
}

/* ===== Sound Button ===== */
.sound-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 8px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.2s;
  -webkit-user-select: none;
  user-select: none;
}

.sound-btn:hover {
  transform: translateY(-2px);
  background: var(--bg-card);
}

.sound-btn:active {
  transform: scale(0.95);
}

.sound-btn.playing {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(233, 69, 96, 0.2);
  animation: pulse-glow 1s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(233, 69, 96, 0.2);
  }
  50% {
    box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(233, 69, 96, 0.3);
  }
}

.sound-btn__gif {
  width: 80px;
  height: 80px;
  min-width: 80px;
  min-height: 80px;
  max-width: 80px;
  max-height: 80px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 8px;
  pointer-events: none;
}

.sound-btn__placeholder {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--bg-card);
  border-radius: 8px;
  pointer-events: none;
}

.sound-btn__name {
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-primary);
  line-height: 1.2;
  word-break: break-word;
}

/* Category color indicator */
.sound-btn[data-category="Icone"] { border-bottom: 3px solid var(--cat-icone); }
.sound-btn[data-category="Reazioni"] { border-bottom: 3px solid var(--cat-reazioni); }
.sound-btn[data-category="Personaggi"] { border-bottom: 3px solid var(--cat-personaggi); }
.sound-btn[data-category="Sigle"] { border-bottom: 3px solid var(--cat-sigle); }
.sound-btn[data-category="Effetti"] { border-bottom: 3px solid var(--cat-effetti); }

/* Playing state overrides bottom border */
.sound-btn.playing {
  border-bottom-color: var(--accent);
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ===== Responsive ===== */
@media (min-width: 480px) {
  .soundboard {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
  }

  .sound-btn__gif,
  .sound-btn__placeholder {
    width: 100px;
    height: 100px;
    min-width: 100px;
    min-height: 100px;
    max-width: 100px;
    max-height: 100px;
  }

  .sound-btn__placeholder {
    font-size: 3rem;
  }
}

@media (min-width: 768px) {
  .header__logo {
    max-width: 320px;
  }

  .soundboard {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    padding: 16px 24px 40px;
  }

  .controls {
    padding: 16px 24px;
  }
}