/* UI refinement layer for the AI learning resource tool. */
:root {
  --surface-soft: #f8fbfb;
  --accent-secondary: #426f93;
  --accent-secondary-soft: #deebf4;
}

body[data-theme='dark'] {
  --surface-soft: #131c24;
  --accent-secondary: #8eb2d2;
  --accent-secondary-soft: rgba(142, 178, 210, 0.14);
}

.page-shell {
  width: min(1248px, calc(100% - 24px));
}

.hero-panel,
.card-surface {
  background: var(--surface-soft);
  border-radius: 10px;
  box-shadow: none;
}

.hero-panel {
  border-left: 4px solid var(--accent);
}

.toolbar {
  grid-template-columns: minmax(0, 1fr) minmax(160px, 210px) minmax(260px, 1fr);
}

.toolbar-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.toolbar-actions > * {
  width: 100%;
}

.reset-button {
  background: var(--surface-soft);
}

.category-nav .pill-button {
  gap: 8px;
}

.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.9em;
  min-height: 20px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
}

.pill-button.is-active .count-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.resource-card {
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.resource-card:hover {
  border-color: rgba(31, 118, 108, 0.32);
  transform: translateY(-2px);
}

.resource-card h3,
.resource-card p {
  overflow-wrap: anywhere;
}

.resource-card p {
  line-height: 1.65;
}

.resource-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resource-actions > * {
  width: 100%;
}

.card-link.is-disabled {
  color: var(--muted);
  background: var(--surface-muted);
  border-style: dashed;
  cursor: default;
  pointer-events: none;
}

.daily-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.daily-item {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.daily-title {
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
}

.daily-title:hover {
  color: var(--accent-strong);
}

.daily-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.empty-state {
  display: grid;
  place-items: center;
  gap: 12px;
  background: var(--surface-soft);
}

.empty-state p {
  margin: 0;
}

.empty-state .pill-button {
  width: auto;
}

@media (max-width: 960px) {
  .toolbar-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toolbar-actions .reset-button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1248px);
  }

  .category-nav .pill-button {
    width: auto;
  }

  .resource-actions {
    grid-template-columns: 1fr;
  }
}