/* ==========================================================================
   Observatory Guide — Module CSS
   Extends milkyweb.css design system
   ========================================================================== */

/* --------------------------------------------------------------------------
   Subtitle
   -------------------------------------------------------------------------- */

.obs-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

/* --------------------------------------------------------------------------
   Search Bar
   -------------------------------------------------------------------------- */

.obs-search {
  margin-bottom: var(--space-8);
}

.obs-search__row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.obs-search__input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}

.obs-search__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.obs-search__input::placeholder {
  color: var(--color-text-muted);
}

.obs-search__select {
  padding: var(--space-3) var(--space-4);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  cursor: pointer;
}

.obs-search__select option {
  background: var(--color-bg);
}

.obs-search__btn {
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.obs-search__btn:hover {
  background: var(--color-accent-hover);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.obs-card {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur-card));
  -webkit-backdrop-filter: blur(var(--blur-card));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.obs-card--link {
  display: block;
  text-decoration: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.obs-card--link:hover {
  border-color: var(--color-border-hover);
  background: var(--color-card-hover);
}

.obs-card--link h4 {
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.obs-card__meta {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Grid Layouts
   -------------------------------------------------------------------------- */

.obs-grid {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.obs-grid--3 {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.obs-grid--4 {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */

.obs-table {
  width: 100%;
  border-collapse: collapse;
}

.obs-table th,
.obs-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.obs-table th {
  color: var(--color-text-secondary);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.obs-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.obs-table--compact th,
.obs-table--compact td {
  padding: var(--space-2) var(--space-3);
}

/* Detail page key-value table */
.obs-detail-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
}

.obs-detail-table th {
  text-align: left;
  padding: var(--space-2) var(--space-4) var(--space-2) 0;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  width: 140px;
  vertical-align: top;
}

.obs-detail-table td {
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   Detail Page Layout
   -------------------------------------------------------------------------- */

.obs-detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-6);
  align-items: start;
}

@media (max-width: 900px) {
  .obs-detail-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Tags (spectral bands)
   -------------------------------------------------------------------------- */

.obs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.obs-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(101, 146, 255, 0.15);
  border: 1px solid rgba(101, 146, 255, 0.3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Button
   -------------------------------------------------------------------------- */

.obs-btn {
  display: inline-block;
  padding: var(--space-3) var(--space-8);
  background: var(--color-warm);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.obs-btn:hover {
  background: var(--color-warm-hover);
  color: #fff;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  margin-top: var(--space-16);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.site-footer p {
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   Map Cluster Markers
   -------------------------------------------------------------------------- */

.obs-cluster {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.obs-cluster div {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.obs-cluster--small {
  background: rgba(101, 146, 255, 0.7);
  border: 2px solid rgba(101, 146, 255, 0.9);
}

.obs-cluster--medium {
  background: rgba(234, 179, 8, 0.7);
  border: 2px solid rgba(234, 179, 8, 0.9);
}

.obs-cluster--large {
  background: rgba(255, 102, 0, 0.7);
  border: 2px solid rgba(255, 102, 0, 0.9);
}

/* Override default MarkerCluster styles for dark theme */
.leaflet-popup-content-wrapper {
  background: var(--color-card) !important;
  color: var(--color-text) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-md) !important;
  backdrop-filter: blur(8px);
}

.leaflet-popup-tip {
  background: var(--color-card) !important;
  border: 1px solid var(--color-border) !important;
}

.leaflet-popup-content a {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Latitude / Timezone Navigation
   -------------------------------------------------------------------------- */

.obs-lat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.obs-lat-section h4 {
  margin-bottom: var(--space-3);
  color: var(--color-warm);
}

.obs-lat-link,
.obs-tz-link {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  margin: var(--space-1);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.obs-lat-link:hover,
.obs-tz-link:hover {
  background: rgba(101, 146, 255, 0.15);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.obs-tz-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1);
}

/* --------------------------------------------------------------------------
   Error Card
   -------------------------------------------------------------------------- */

.obs-card--error {
  border-color: var(--color-error);
  background: rgba(239, 68, 68, 0.1);
}

.obs-card--error h4 {
  color: var(--color-error);
  margin-bottom: var(--space-2);
}

.obs-card--error ul {
  list-style: disc;
  padding-left: var(--space-6);
}

.obs-card--error li {
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */

.obs-form__row {
  margin-bottom: var(--space-4);
}

.obs-form__row--half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.obs-form__row--third {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
}

.obs-form__row--quarter {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 1fr;
  gap: var(--space-3);
}

.obs-form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.obs-form__input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
}

.obs-form__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.obs-form__input::placeholder {
  color: var(--color-text-muted);
}

textarea.obs-form__input {
  resize: vertical;
  min-height: 80px;
}

select.obs-form__input {
  cursor: pointer;
}

select.obs-form__input option {
  background: var(--color-bg);
}

.obs-form__checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-2);
}

.obs-form__checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
  padding: var(--space-1) 0;
}

.obs-form__checkbox input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
  .obs-search__row {
    flex-direction: column;
  }

  .obs-search__select {
    width: 100%;
  }

  .obs-table th:nth-child(n+4),
  .obs-table td:nth-child(n+4) {
    display: none;
  }

  .obs-grid--3 {
    grid-template-columns: 1fr;
  }

  .obs-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .obs-form__row--half,
  .obs-form__row--third {
    grid-template-columns: 1fr;
  }

  .obs-form__row--quarter {
    grid-template-columns: 1fr 1fr;
  }

  .obs-form__checkboxes {
    grid-template-columns: 1fr;
  }

  .obs-lat-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .obs-grid--4 {
    grid-template-columns: 1fr;
  }
}