/* ===== FILTERS COMPONENT STYLES ===== */

/* ===== FILTER VARIABLES ===== */
:root {
  --filter-divider-color: #757576;
  --filter-divider-width: 0.5px;
  --filter-summary-padding: 1rem 1.5rem;
  --filter-options-padding: 1.5rem;
  --filter-chevron-size: 16px;
  --filter-chevron-margin: 0.5rem;
  --filter-min-width: 280px;
  --filter-sidebar-top: 2rem;
  --filter-content-gap: 20px;
  --filter-content-margin-top: 2rem;
}

/* ===== FILTERS SECTION ===== */
.filters-section {
  background: var(--color-bg-light);
  border-bottom: 1px solid #e5e7eb;
  padding: var(--spacing-2xl) 0;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-group h3 {
  font-family: var(--font-family-primary);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-gray-900);
  margin-bottom: 0.75rem;
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== CHECKBOX STYLES ===== */
.checkbox-label {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
  cursor: pointer;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  width: 100%;
}

.checkbox-label input[type="checkbox"],
.checkbox-label input[type="radio"] {
  width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  border: 1px solid #d1d5db;
  background: transparent;
  border-radius: 0;
  flex-shrink: 0;
  align-self: baseline;
  box-sizing: border-box;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: 12px;
  font-weight: bold;
  line-height: 1;
}

.checkbox-label input[type="radio"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-label input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: var(--color-white);
  border-radius: 50%;
}

.checkbox-text {
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
  margin: 0;
  padding: 0;
  vertical-align: baseline;
}

/* ===== FILTER ACTIONS ===== */
.filter-actions {
  display: flex;
  align-items: flex-end;
  padding-top: 1rem;
}

/* ===== COLLAPSIBLE FILTERS ===== */
/* Base filter group styles */
details.filter-group {
  margin-bottom: 0;
  border: none;
  border-radius: 0;
  background: var(--color-bg-light);
  overflow: hidden;
  width: 100%; /* Take full width of parent */
}

/* Open state overrides */
details.filter-group[open] summary::after {
  transform: rotate(180deg);
}

details.filter-group summary {
  padding: var(--filter-summary-padding);
  background: var(--color-bg-light);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

details.filter-group summary::-webkit-details-marker {
  display: none;
}

details.filter-group summary h3 {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  color: var(--color-text-primary);
  margin: 0;
  flex: 1;
}

details.filter-group summary::after {
  content: '';
  width: var(--filter-chevron-size);
  height: var(--filter-chevron-size);
  background: url('../../images/chevron.png') no-repeat center center;
  background-size: contain;
  transition: transform 0.3s ease;
  margin-left: var(--filter-chevron-margin);
}

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

details.filter-group .filter-options {
  padding: var(--filter-options-padding);
  border-top: none;
  background: var(--color-bg-light);
}

/* Bottom borders for all filters except the last one */
details.filter-group:not(:last-child) {
  border-bottom: var(--filter-divider-width) solid var(--filter-divider-color);
}

/* ===== TWO-COLUMN LAYOUT ===== */
.content-layout {
  display: grid;
  grid-template-columns: 30% 1fr;
  gap: var(--filter-content-gap);
  margin-top: var(--filter-content-margin-top);
}

.filters-sidebar {
  position: sticky;
  top: var(--filter-sidebar-top);
  height: fit-content;
  min-width: 0; /* Allow shrinking */
}

.filters {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: var(--filter-min-width); /* Restore minimum width for desktop */
}

.events-content {
  min-width: 0; /* Prevent grid overflow */
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 767px) {
  /* Mobile-specific layout adjustments */
  .content-layout {
    overflow-x: hidden;
    max-width: 100%;
  }
  
  .filters {
    min-width: 0;
    max-width: 100%;
  }
  
  .filters-sidebar {
    min-width: 0;
    max-width: 100%;
  }
  
  /* Hide desktop filters on mobile */
  .filters-sidebar {
    display: none !important;
  }
}

/* ===== FILTER TITLE ===== */
.filters-title {
  display: none; /* Hide title on desktop - filters are in sidebar */
}

@media (min-width: 1024px) {
  .filters-title {
    display: none; /* Hide title on desktop - filters are in sidebar */
  }
}