/* Filter Bar - Clean Card Style */
/* White container, no internal lines */

.filter-bar {
  position: sticky;
  z-index: 30;
  top: 0;
  padding: 0.8rem 0;
  background: var(--paper);
}

.filter-bar__card {
  background: white;
  border-radius: 0.85rem;
  padding: 0.6rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
}

.filter-bar__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.4rem 0.6rem;
}

.filter-bar__search {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.filter-bar__search label {
  color: var(--muted);
  font: 600 0.5rem var(--display);
  letter-spacing: 0.08em;
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-bar__search input {
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 500 0.7rem var(--display);
  outline: none;
}

.filter-bar__search input::placeholder {
  color: color-mix(in srgb, var(--muted) 45%, transparent);
}

.filter-bar__search button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 500 0.5rem var(--display);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-bar__search button:hover {
  color: var(--orange);
}

.filter-bar__actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.filter-bar__actions b {
  color: var(--orange);
  font: 600 0.5rem var(--display);
  white-space: nowrap;
}

.filter-bar__actions button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 500 0.5rem var(--display);
  cursor: pointer;
  white-space: nowrap;
}

.filter-bar__actions button:hover {
  color: var(--orange);
}

#back-to-top {
  display: grid;
  width: 1.4rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--wash);
  color: var(--muted);
  opacity: 0;
  transition: opacity 180ms ease, background-color 180ms ease, color 180ms ease;
}

.filter-bar.is-scrolled #back-to-top {
  opacity: 1;
}

#back-to-top:hover {
  background: var(--ink);
  color: var(--paper);
}

/* Category Headlines */
.category-headlines {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
  padding: 1.5rem 0;
}

.category-btn {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: white;
  text-align: left;
  cursor: pointer;
  transition: all 200ms ease;
}

.category-btn:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.category-btn[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.category-btn__label {
  font: 600 0.72rem var(--display);
  letter-spacing: -0.01em;
}

.category-btn__desc {
  font: 400 0.52rem var(--display);
  color: var(--muted);
  line-height: 1.4;
}

.category-btn[aria-pressed="true"] .category-btn__desc {
  color: color-mix(in srgb, var(--paper) 70%, transparent);
}

.category-btn__count {
  font: 500 0.56rem var(--display);
  color: var(--muted);
  margin-top: auto;
  padding-top: 0.4rem;
}

.category-btn[aria-pressed="true"] .category-btn__count {
  color: var(--orange);
}

/* Responsive */
@media (max-width: 1024px) {
  .category-headlines {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .filter-bar__search label {
    display: none;
  }

  .filter-bar__actions b {
    display: none;
  }

  .category-headlines {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .category-btn {
    padding: 0.8rem 1rem;
  }

  .category-btn__desc {
    display: none;
  }
}

@media (max-width: 520px) {
  .filter-bar__card {
    padding: 0.4rem;
  }

  .filter-bar__row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .filter-bar__actions {
    justify-content: flex-end;
  }

  .category-headlines {
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
  }

  .category-btn__label {
    font-size: 0.64rem;
  }

  .category-btn__count {
    font-size: 0.5rem;
  }
}