/* ─────────────────────────────────────────────────────
   components.css
   Decorative styles for specific UI components.
   Layout and positioning belong in layout.css.
   All values reference tokens from tokens.css.
───────────────────────────────────────────────────── */

/* ─── Surfaces ───────────────────────────────────── */

header,
footer,
.categories {
  background-color: var(--color-surface-raised);
}

/* ─── Nav logo ───────────────────────────────────── */

.nav__logo {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-accent);
}

/* ─── Nav links ──────────────────────────────────── */

header nav ul a {
  color: var(--color-text-primary);
  font-size: 0.875rem;
}

header nav ul a:hover {
  color: var(--color-accent);
}

/* ─── Search ─────────────────────────────────────── */

header nav search {
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-text-label);
  padding-bottom: 0.25rem;
  transition: border-color var(--transition-speed) var(--transition-ease);
}

header nav search:hover {
  border-color: var(--color-accent);
}

header nav search:hover input::placeholder {
  color: var(--color-accent);
}

header nav search:focus-within {
  border-color: var(--color-text-body);
}

header nav search input {
  font-size: 0.875rem;
  width: 14rem;
}

header nav search button {
  color: var(--color-text-label);
  transition: color var(--transition-speed) var(--transition-ease);
}

header nav search button:hover {
  color: var(--color-text-primary);
}

/* ─── Category buttons ───────────────────────────── */

.categories__track {
  display: flex;
  justify-content: space-evenly;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

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

.category-btn {
  display: inline-block;
  white-space: nowrap;
  padding: clamp(0.5rem, 1.2vw, 0.625rem) clamp(1.5rem, 2.5vw, 1.8rem);
  background-color: var(--color-accent);
  border-radius: var(--radius-base);
  color: var(--color-surface-bg);
  font-size: clamp(0.875rem, 1.5vw, 1.05rem);
  font-weight: 500;
  transition: opacity var(--transition-speed) var(--transition-ease);
}

.category-btn:hover {
  opacity: 0.8;
}

/* ─── Info placeholder ───────────────────────────── */

.info__placeholder {
  width: 100%;
  max-width: 50rem;
  height: 12.5rem;
  background-color: var(--color-surface-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
}

/* ─── Footer brand ───────────────────────────────── */

.footer__brand > span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.footer__col h3 {
  color: var(--color-text-label);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ─── Reduced motion ─────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}