/* Scoped layout for Calendar (V2-AJ) */

.calendar-hero {
  background: var(--color-surface);
  border-block-end: 1px solid var(--color-border);
  padding-block: var(--sp-10) var(--sp-12);
}

.calendar-hero .dek {
  color: var(--color-text-secondary);
  font-size: var(--text-md);
  margin-block-start: var(--sp-3);
  max-inline-size: 68ch;
  line-height: var(--leading-relaxed);
}

.calendar-hero-actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-block-start: var(--sp-6);
}

/* ── Filters & Controls Toolbar ────────────────────────────────────────── */
.calendar-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-block-start: var(--sp-8);
  margin-block-end: var(--sp-6);
}

.calendar-filters-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--sp-4);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.filter-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide, 0.05em);
  color: var(--color-text-secondary);
}

.filter-select {
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-2) var(--sp-3);
  min-inline-size: 140px;
  line-height: 1.4;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-select:hover {
  border-color: var(--color-border-hover, var(--brand-300));
}

.filter-select:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

.filter-group--actions {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
}

.filter-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-xs);
  height: auto;
}

.calendar-counter-wrap {
  display: flex;
  align-items: center;
}

.calendar-counter {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.calendar-counter strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* ── Table & Cards Layout ────────────────────────────────────────────── */
.calendar-table-container {
  margin-block-start: var(--sp-6);
}

.calendar-table-container + .calendar-table-container {
  margin-block-start: var(--sp-8);
}

.calendar-table-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--sp-3);
}

.calendar-table-heading h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
}

.calendar-table {
  inline-size: 100%;
  border-collapse: collapse;
  text-align: start;
}

.calendar-table th {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide, 0.05em);
  color: var(--color-text-secondary);
  border-block-end: 2px solid var(--color-border);
  background: var(--color-surface);
}

.calendar-table td {
  padding: var(--sp-4);
  border-block-end: 1px solid var(--color-border);
  vertical-align: middle;
  font-size: var(--text-sm);
}

.calendar-table tbody tr:hover {
  background-color: var(--color-surface-hover, rgba(0, 0, 0, 0.02));
}

.calendar-row .primary-cell {
  max-inline-size: 320px;
}

.expo-title-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-2);
}

.expo-name-title {
  font-weight: 600;
  color: var(--color-text-primary);
  display: block;
}

.expo-location-sub {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  display: block;
  margin-block-start: var(--sp-1);
}

.expo-meta-organiser {
  font-size: var(--text-2xs, 0.72rem);
  color: var(--color-text-tertiary, #64748b);
  margin-block-start: var(--sp-1, 0.25rem);
}

.expo-meta-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.expo-topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-block-start: 0.35rem;
}

.expo-topic-pill {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.1rem 0.4rem;
  background-color: var(--color-surface-alt, #f1f5f9);
  color: var(--color-text-secondary, #475569);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-xs, 4px);
  line-height: 1.3;
}

.expo-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-block-start: var(--sp-2);
}

.expo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-xs);
  color: var(--brand-600, #0284c7);
  text-decoration: none;
  font-weight: 500;
}

.expo-link:hover {
  text-decoration: underline;
}

.expo-link:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

.expo-link--source {
  color: var(--color-text-tertiary, #64748b);
}

.expo-inquire-btn {
  color: var(--brand-500);
  padding: 0.25rem;
  flex-shrink: 0;
}

.expo-inquire-btn:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

.badge--neutral {
  background-color: var(--color-surface-alt, #f1f5f9);
  color: var(--color-text-secondary, #64748b);
  border: 1px solid var(--color-border);
}

/* ── Past Exhibitions Details ────────────────────────────────────────── */
.calendar-past-details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  overflow: hidden;
}

.calendar-past-summary {
  cursor: pointer;
  padding: var(--sp-3) var(--sp-4);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-surface);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: background-color 0.15s ease;
}

.calendar-past-summary::-webkit-details-marker {
  display: none;
}

.calendar-past-summary:hover {
  background-color: var(--color-surface-hover, rgba(0, 0, 0, 0.02));
}

.calendar-past-summary:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: -2px;
}

.calendar-past-summary::after {
  content: "▾";
  font-size: 0.85em;
  transition: transform 0.2s ease;
}

.calendar-past-details[open] .calendar-past-summary::after {
  transform: rotate(-180deg);
}

.calendar-past-details .table-wrap {
  border-block-start: 1px solid var(--color-border);
}

/* ── Empty States ────────────────────────────────────────────────────── */
.calendar-empty-state {
  text-align: center;
  padding: var(--sp-10) var(--sp-6);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  margin-block: var(--sp-6);
}

.calendar-empty-state h4 {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-block: var(--sp-3) var(--sp-2);
}

.calendar-empty-state p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  max-inline-size: 50ch;
  margin-inline: auto;
  margin-block-end: var(--sp-4);
}

.calendar-empty-state--canonical {
  border-style: solid;
  padding: var(--sp-12) var(--sp-6);
}

/* ── Delegation Banner ───────────────────────────────────────────────── */
.delegation-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-6);
  background: var(--color-primary-dark, #0f172a);
  color: var(--white, #ffffff);
  border-radius: var(--radius);
  padding: var(--sp-8) var(--sp-10);
  margin-block-start: var(--sp-12);
}

.delegation-panel h3 {
  color: var(--white, #ffffff);
  margin-block-start: var(--sp-1);
}

.delegation-panel p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-sm);
  max-inline-size: 55ch;
  margin-block-start: var(--sp-2);
}

/* ── Responsive Card Transformations (Mobile <= 768px) ──────────────── */
@media (max-width: 768px) {
  .calendar-controls-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .calendar-filters-form {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-select {
    inline-size: 100%;
  }

  .filter-group--actions {
    margin-block-start: var(--sp-2);
  }

  .calendar-table-container .table-wrap {
    overflow: visible;
  }

  .calendar-table,
  .calendar-table thead,
  .calendar-table tbody,
  .calendar-table th,
  .calendar-table td,
  .calendar-table tr {
    display: block;
  }

  .calendar-table thead {
    display: none;
  }

  .calendar-table tbody tr.calendar-row {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--sp-4);
    margin-block-end: var(--sp-4);
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,0.05));
  }

  .calendar-table td {
    padding: var(--sp-2) 0;
    border-block-end: 1px solid var(--color-surface-alt, #f1f5f9);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-3);
  }

  .calendar-table td:last-child {
    border-block-end: none;
    padding-block-start: var(--sp-3);
  }

  .calendar-table td::before {
    content: attr(data-label);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide, 0.05em);
    color: var(--color-text-secondary);
    flex-shrink: 0;
  }

  html[lang^="zh"] .calendar-table td::before {
    content: attr(data-label-zh);
  }

  .calendar-table td.primary-cell {
    max-inline-size: none;
    display: block;
    padding-block-start: 0;
    padding-block-end: var(--sp-3);
    border-block-end: 1px solid var(--color-border);
    margin-block-end: var(--sp-1);
  }

  .calendar-table td.primary-cell::before {
    display: none;
  }

  .delegation-panel {
    padding: var(--sp-6);
  }
}

/* ── Flagship Spotlight Grid (V2-AL UX Enhancement) ───────────────────────── */
.expo-spotlight-section {
  margin-block: var(--sp-6) var(--sp-8);
  padding: var(--sp-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.expo-spotlight-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-block-end: var(--sp-5);
  border-block-end: 1px solid var(--color-border-subtle, #f1f5f9);
  padding-block-end: var(--sp-3);
}

.expo-spotlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-4);
}

.expo-spotlight-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--sp-3);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.expo-spotlight-card:hover {
  transform: translateY(-2px);
  border-color: var(--brand-300);
  box-shadow: var(--shadow-2);
}

.expo-spotlight-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-2);
}

.expo-spotlight-title {
  font-size: var(--text-md);
  margin: 0;
  line-height: var(--leading-snug);
}

.expo-spotlight-title a {
  color: var(--color-text-primary);
  text-decoration: none;
}

.expo-spotlight-title a:hover {
  color: var(--brand-text);
  text-decoration: underline;
}

.expo-spotlight-meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.expo-spotlight-footer {
  margin-block-start: var(--sp-2);
}

/* ── Live Search Input ─────────────────────────────────────────────────── */
.filter-group--search {
  flex-grow: 1;
  min-inline-size: 220px;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrap .p100-icon {
  position: absolute;
  left: var(--sp-3);
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.filter-input--search {
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-2) var(--sp-3) var(--sp-2) 2.2rem;
  inline-size: 100%;
  line-height: 1.4;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-input--search:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
  border-color: var(--brand-500);
}