/* =============================
   Filters Feature Styles - Modern 2025 Design
   ============================= */

/* Filter button with badge */
.filter-btn {
  position: relative;
  background: transparent;
  border: none;
  border-radius: 12px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast) var(--ease);
  cursor: pointer;
  min-width: 44px;
  justify-content: center;
}

.filter-btn:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.filter-btn:active {
  transform: scale(0.96);
}

.filter-btn svg {
  width: 20px;
  height: 20px;
}

.filter-btn span:not(.filter-badge) {
  display: none;
}

@media (min-width: 640px) {
  .filter-btn {
    padding: 8px 16px;
  }
  .filter-btn span:not(.filter-badge) {
    display: inline;
  }
}

.filter-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--gradient-primary);
  color: #ffffff;
  border-radius: 999px;
  min-width: 18px;
  height: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  padding: 0 5px;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.95);
}

/* Filter overlay */
.filter-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition) var(--ease), visibility var(--transition) var(--ease);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

.filter-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Filter panel - modern slide in from right */
.filter-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-panel.active {
  transform: translateX(0);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
}

/* Filter panel header */
.filter-panel-header {
  padding: 20px 24px 20px 24px;
  padding-top: calc(48px + env(safe-area-inset-top));
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.filter-panel-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.5px;
}

/* Filter panel body */
.filter-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  -webkit-overflow-scrolling: touch;
}

/* Filter panel footer */
.filter-panel-footer {
  padding: 16px 24px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: var(--bg);
  display: none;
  flex-shrink: 0;
}

.filter-panel-footer.active {
  display: block;
}

/* Clear filters button in footer */
.clear-filters-btn {
  width: 100%;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition-fast) var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.clear-filters-btn:hover {
  background: var(--card);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.clear-filters-btn:active {
  transform: translateY(0);
}

.clear-filters-btn svg {
  width: 18px;
  height: 18px;
}

/* Filter section */
.filter-section {
  margin-bottom: 32px;
}

.filter-section:last-child {
  margin-bottom: 0;
}

.filter-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

/* Multi-select dropdown for types */
.filter-multiselect {
  position: relative;
}

.filter-multiselect-trigger {
  width: 100%;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition-fast) var(--ease);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.filter-multiselect-trigger:hover {
  border-color: var(--primary-light);
  background: var(--card-hover);
}

.filter-multiselect-label {
  flex: 1;
  text-align: left;
}

.filter-multiselect-arrow {
  transition: transform var(--transition-fast) var(--ease);
  color: var(--text-secondary);
  font-size: 20px;
  line-height: 1;
}

.filter-multiselect-dropdown.active + .filter-multiselect-trigger .filter-multiselect-arrow {
  transform: rotate(180deg);
}

.filter-multiselect-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  max-height: 320px;
  overflow-y: auto;
  z-index: 10;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition) var(--ease);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.filter-multiselect-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.filter-multiselect-option {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  transition: background var(--transition-fast) var(--ease);
  border-bottom: 1px solid var(--border-light);
  gap: 12px;
}

.filter-multiselect-option:last-child {
  border-bottom: none;
}

.filter-multiselect-option:hover {
  background: var(--bg-secondary);
}

.filter-multiselect-option input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--border);
  border-radius: 6px;
  margin: 0;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  background: var(--bg);
  appearance: none;
  -webkit-appearance: none;
  flex-shrink: 0;
}

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

.filter-multiselect-option input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: 700;
}

.filter-multiselect-option-label {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.filter-multiselect-check {
  color: var(--primary);
  font-weight: 700;
  font-size: 18px;
  opacity: 0;
  transition: opacity var(--transition-fast) var(--ease);
  display: none;
}

.filter-multiselect-option input[type="checkbox"]:checked ~ .filter-multiselect-check {
  opacity: 1;
}

/* Place search component */
.filter-place-search {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.filter-place-search-wrapper {
  position: relative;
}

.filter-place-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  color: var(--text);
  transition: all var(--transition-fast) var(--ease);
}

.filter-place-input:focus {
  border-color: var(--primary);
  outline: none;
  background: var(--card-hover);
}

.filter-place-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  max-height: 280px;
  overflow-y: auto;
  z-index: 10;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition) var(--ease);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  -webkit-overflow-scrolling: touch;
}

.filter-place-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.filter-place-dropdown-item {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  transition: background var(--transition-fast) var(--ease);
  border-bottom: 1px solid var(--border-light);
  gap: 12px;
}

.filter-place-dropdown-item:last-child {
  border-bottom: none;
}

.filter-place-dropdown-item:hover {
  background: var(--bg-secondary);
}

.filter-place-dropdown-item.selected {
  background: var(--bg-secondary);
}

.filter-place-dropdown-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.filter-place-dropdown-name {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.filter-place-dropdown-check {
  color: var(--primary);
  font-weight: 700;
  font-size: 18px;
}

/* Selected place tags */
.filter-selected-places {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-place-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-place-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  transition: all var(--transition-fast) var(--ease);
}

.filter-place-tag:hover {
  border-color: var(--primary-light);
  background: var(--card-hover);
}

.filter-place-tag-icon {
  font-size: 14px;
}

.filter-place-tag-name {
  font-weight: 500;
  color: var(--text);
}

.filter-place-tag-remove {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
  transition: color var(--transition-fast) var(--ease);
}

.filter-place-tag-remove:hover {
  color: var(--danger);
}

.filter-place-results {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.filter-place-option {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast) var(--ease);
  gap: 12px;
}

.filter-place-option:hover {
  background: var(--card-hover);
  border-color: var(--primary-light);
  transform: translateX(2px);
}

.filter-place-option input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--border);
  border-radius: 6px;
  margin: 0;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  background: var(--bg);
  appearance: none;
  -webkit-appearance: none;
  flex-shrink: 0;
}

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

.filter-place-option input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: 700;
}

.filter-place-option-label {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.filter-place-check {
  color: var(--primary);
  font-weight: 700;
  font-size: 18px;
  opacity: 0;
  transition: opacity var(--transition-fast) var(--ease);
  display: none;
}

.filter-place-option input[type="checkbox"]:checked ~ .filter-place-check {
  opacity: 1;
}

.filter-empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* Star rating in filters */
.filter-star-rating {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  transition: border-color var(--transition-fast) var(--ease);
}

.filter-star-rating:hover {
  border-color: var(--primary-light);
}

.filter-range-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.filter-range-label-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.filter-star-container {
  margin-top: 4px;
}

.filter-star-container .star-rating {
  justify-content: flex-start;
  gap: 6px;
}

.filter-star-container .star {
  font-size: 24px;
}

.filter-range-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  min-width: 28px;
  text-align: right;
}

.filter-range-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .filter-panel {
    width: 100vw;
  }

  .filter-panel-header {
    padding: 16px 20px 16px 20px;
    padding-top: calc(40px + env(safe-area-inset-top));
  }

  .filter-panel-title {
    font-size: 22px;
  }

  .filter-panel-body {
    padding: 20px;
  }

  .filter-section {
    margin-bottom: 28px;
  }

  .filter-panel-footer {
    padding: 12px 20px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }
}