/* ==========================================================================
   COMPONENTS: POST CARDS, METRIC CHIPS, FILTERS, SEARCH, WIDGETS
   ========================================================================== */

/* Post Grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--space-6);
}

.post-grid--single-col {
  grid-template-columns: 1fr;
}

/* Post / Route Card */
.post-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--elevation-shadow-sm);
  position: relative;
  min-width: 0;
}

.post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--elevation-shadow-md);
  border-color: var(--border-medium);
}

/* Visual Mountain / Topo Pattern Placeholder Header (No photos!) */
.post-card__visual {
  height: 180px;
  background-color: var(--bg-surface);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-subtle);
}

.post-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform var(--transition-base);
  z-index: 1;
}

.post-card:hover .post-card__img {
  transform: scale(1.05);
}

.post-card__visual-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border-strong) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.25;
}

.post-card__contour-svg {
  width: 100%;
  height: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  opacity: 0.15;
  pointer-events: none;
}

.post-card__visual-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
}

.post-card__category-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  opacity: 0.4;
}

/* Card Content Area */
.post-card__content {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
}

.post-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.post-card__title a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.post-card__title a:hover {
  color: var(--accent-primary);
}

.post-card__excerpt-placeholder {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-5);
  flex-grow: 1;
}

/* Ultratrail Metric Chips Grid */
.trail-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  padding: var(--space-3);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-top: auto;
}

.metric-chip {
  display: flex;
  flex-direction: column;
  text-align: center;
  min-width: 0;
}

.metric-chip__label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.metric-chip__value {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.metric-chip__unit {
  font-size: 0.7em;
  font-weight: var(--font-weight-normal);
  color: var(--text-secondary);
}

/* Card Footer */
.post-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.post-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.avatar-placeholder {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

/* Filter Bar Component */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding: var(--space-4);
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  min-width: 0;
  max-width: 100%;
}

.filter-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-width: 0;
  max-width: 100%;
}

.filter-btn {
  padding: 0.4rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--badge-bg);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.filter-btn.is-active {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* Search Box Component */
.search-input-wrapper {
  position: relative;
  min-width: 240px;
}

.search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.25rem;
  font-size: var(--text-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

/* Section Header */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.section-title {
  font-size: var(--text-2xl);
  margin-bottom: 0;
}

.section-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Tag Cloud Widget */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tag-item:hover {
  background-color: var(--badge-bg);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.tag-item__count {
  font-size: 0.65rem;
  opacity: 0.6;
}

/* Newsletter / Subscribe Box */
.newsletter-card {
  background: linear-gradient(145deg, var(--bg-surface), var(--bg-card));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.newsletter-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.newsletter-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input-field {
  padding: 0.65rem 1rem;
  font-size: var(--text-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

.input-field:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.page-link:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.page-link.is-active {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

/* Icon Helper */
.icon {
  width: 1.25em;
  height: 1.25em;
  fill: currentColor;
  display: inline-block;
  vertical-align: middle;
}

/* Language Switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
}

.lang-switch:hover {
  border-color: var(--border-medium);
}

.lang-switch a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: 1px 3px;
  border-radius: var(--radius-sm);
}

.lang-switch a:hover {
  color: var(--color-amber-500);
}

.lang-switch .lang-active {
  color: var(--color-amber-500);
  font-weight: var(--font-weight-bold);
  cursor: default;
}

.lang-switch .lang-divider {
  opacity: 0.35;
  user-select: none;
  font-size: 0.75rem;
}

/* ==========================================================================
   COMPONENTS RESPONSIVE STYLES
   ========================================================================== */

@media (max-width: 768px) {
  .post-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .post-card__visual {
    height: 160px;
  }

  .post-card__content {
    padding: var(--space-4);
  }

  .post-card__title {
    font-size: 1.15rem;
    margin-bottom: var(--space-2);
  }

  .post-card__excerpt-placeholder {
    font-size: var(--text-xs);
    line-height: 1.5;
    margin-bottom: var(--space-4);
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .filter-pills {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .filter-pills::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
  }

  .search-input-wrapper {
    min-width: 100%;
    width: 100%;
  }

  .search-input {
    min-height: 42px;
  }
}

@media (max-width: 580px) {
  .trail-metrics-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3) var(--space-2);
    padding: var(--space-3) var(--space-2);
  }

  .metric-chip__value {
    font-size: var(--text-xs);
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
  }

  .section-title {
    font-size: var(--text-xl);
  }
}

@media (max-width: 480px) {
  .pagination {
    gap: var(--space-1);
    margin-top: var(--space-8);
  }

  .page-link {
    min-width: 36px;
    height: 36px;
    font-size: var(--text-xs);
    padding: 0 var(--space-2);
  }

  .newsletter-card {
    padding: var(--space-4);
  }
}