:root {
  --utcfq-bg: #0d0d0d;
  --utcfq-surface: #121212;
  --utcfq-text: #e8e8e8;
  --utcfq-muted: #8a8a8a;
  --utcfq-border: #2a2a2a;
  --utcfq-accent: #c0392b;
}

html[data-utcfq-theme="ember"] {
  --utcfq-bg: #0d0d0d;
  --utcfq-surface: #121212;
  --utcfq-text: #e8e8e8;
  --utcfq-muted: #8a8a8a;
  --utcfq-border: #2a2a2a;
  --utcfq-accent: #c0392b;
}

.utcfq-toolbar {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0.5rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--utcfq-border);
  border-bottom: 1px solid var(--utcfq-border);
  background: transparent;
}

.utcfq-toolbar-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.utcfq-search {
  max-width: 22rem;
  height: 2.25rem;
  padding: 0.35rem 0.55rem !important;
  font-size: 0.85rem;
}

.utcfq-chips,
.utcfq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.utcfq-chip {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--utcfq-muted);
  font: inherit;
  font-size: 0.82rem;
}

.utcfq-chip:hover,
.utcfq-chip:focus,
.utcfq-chip[aria-pressed="true"] {
  color: var(--utcfq-text);
  text-decoration: underline;
  text-underline-offset: 0.24em;
}

.utcfq-stat {
  display: flex;
  gap: 0.35rem;
  color: var(--utcfq-muted);
  font-size: 0.78rem;
}

.utcfq-stat strong {
  color: var(--utcfq-text);
  font-weight: 500;
}

.category-header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 0.75rem !important;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--utcfq-border);
}

.category-header h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
}

.category-header p {
  margin: 0;
  color: var(--utcfq-muted);
  font-size: 0.76rem;
}

.challenges-row {
  --bs-gutter-x: 0.75rem;
  --bs-gutter-y: 0.75rem;
}

[data-utcfq-card]::after,
.challenge-button::after {
  content: attr(data-utcfq-difficulty);
  position: absolute;
  right: 0.7rem;
  bottom: 0.55rem;
  color: var(--utcfq-muted);
  font-size: 0.72rem;
  text-transform: lowercase;
}

.challenge-button {
  position: relative;
  padding: 0.85rem !important;
}

.utcfq-hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .utcfq-toolbar-row {
    align-items: stretch;
    flex-direction: column;
  }

  .utcfq-search {
    max-width: none;
    width: 100%;
  }
}