/* ===== Loft Line — Filter Drawer ===== */

/* -- Filter System (Toggle Wrapper) -- */
.filter-system {
  margin-bottom: 32px;
}

/* -- Toggle Button (always visible) -- */
.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-dark);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

.filter-toggle:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.filter-toggle svg {
  transition: transform var(--duration) var(--ease);
}

/* -- Overlay -- */
.filter-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.filter-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

/* Card filter-state transitions */
.product-card.filter-hidden {
  opacity: 0;
  pointer-events: none;
}
.product-card.filter-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Filter count label */
.filter-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-gray);
  white-space: nowrap;
}

/* No-results placeholder */
.filter-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 0;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.filter-no-results.is-visible { opacity: 1; }
.filter-no-results svg {
  display: block;
  margin: 0 auto 16px;
  opacity: 0.3;
  color: var(--color-gray);
}
.filter-no-results p {
  font-size: 15px;
  color: var(--color-gray);
}

/* -- Drawer Panel -- */
.filter-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  height: 100%;
  background: var(--color-white);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.filter-drawer.is-open {
  transform: translateX(0);
}

/* -- Drawer Header -- */
.filter-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
}

.filter-drawer-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0;
  letter-spacing: 0.5px;
}

.filter-drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  color: var(--color-dark);
  transition: all 0.25s var(--ease);
}

.filter-drawer-close:hover {
  border-color: var(--color-dark);
  background: var(--color-dark);
  color: var(--color-white);
}

/* -- Drawer Body (scrollable) -- */
.filter-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  -webkit-overflow-scrolling: touch;
}

/* -- Drawer Footer -- */
.filter-drawer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 28px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
  background: var(--color-white);
}

.filter-apply-btn {
  padding: 12px 24px;
  background: var(--color-dark);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

.filter-apply-btn:hover {
  background: var(--color-gold);
}

/* -- Filter Group -- */
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.filter-group-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-dark);
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* -- Checkbox Style -- */
.filter-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 6px 0;
  transition: color var(--duration) var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.filter-checkbox:hover {
  color: var(--color-dark);
}

.filter-checkbox input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.checkbox-mark {
  position: relative;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid rgba(0, 0, 0, 0.15);
  border-radius: 5px;
  transition: all 0.25s var(--ease);
  background: var(--color-white);
}

.checkbox-mark::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 9px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.2s var(--ease);
}

.filter-checkbox input[type="checkbox"]:checked + .checkbox-mark {
  background: var(--color-dark);
  border-color: var(--color-dark);
}

.filter-checkbox input[type="checkbox"]:checked + .checkbox-mark::after {
  transform: rotate(45deg) scale(1);
}

.filter-checkbox input[type="checkbox"]:focus-visible + .checkbox-mark {
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.3);
  border-color: var(--color-gold);
}

.checkbox-label {
  font-size: 14px;
  font-weight: 450;
  color: var(--color-gray);
  transition: color var(--duration) var(--ease);
  user-select: none;
}

.filter-checkbox input[type="checkbox"]:checked ~ .checkbox-label {
  color: var(--color-dark);
  font-weight: 500;
}

/* -- Price Range Slider -- */
.price-range-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.price-display {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  font-variant-numeric: tabular-nums;
}

.price-separator {
  font-size: 12px;
  color: var(--color-gray-light);
}

.price-slider {
  position: relative;
  height: 6px;
  width: 100%;
}

.slider-track {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 3px;
}

.slider-range {
  position: absolute;
  top: 0;
  height: 6px;
  background: var(--color-dark);
  border-radius: 3px;
  transition: left 0.05s, right 0.05s;
}

.range-input {
  position: absolute;
  top: -6px;
  left: 0;
  width: 100%;
  height: 18px;
  -webkit-appearance: none;
  appearance: none;
  background: none;
  pointer-events: none;
  margin: 0;
  padding: 0;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-dark);
  cursor: pointer;
  pointer-events: all;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.range-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.18);
}

.range-input::-webkit-slider-thumb:active {
  transform: scale(1.2);
  border-color: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.2);
}

.range-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-dark);
  cursor: pointer;
  pointer-events: all;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.range-input::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.18);
}

.range-input::-moz-range-track {
  background: none;
  border: none;
}

.range-input:focus {
  outline: none;
}

.range-input:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.3);
  border-color: var(--color-gold);
}

/* -- Filter Clear & Count -- */
.filter-clear {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--color-gray-light);
  background: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  flex-shrink: 0;
}

.filter-clear:hover {
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.filter-count {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-light);
  white-space: nowrap;
}

/* Prevent scroll when drawer is open */
body.body-drawer-open {
  overflow: hidden;
}

/* No results message */
.filter-no-results {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 64px 24px;
  color: var(--color-gray-light);
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.filter-no-results.is-visible {
  opacity: 1;
}

.filter-no-results p {
  font-size: 16px;
  margin: 0;
}

/* -- No Results -- */
.filter-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--color-gray-light);
  font-size: 16px;
  display: none;
}

.filter-no-results.is-visible {
  display: block;
}

.filter-no-results svg {
  display: block;
  margin: 0 auto 16px;
  opacity: 0.4;
}

/* -- Card Filter Transitions -- */
.product-card.filter-hidden {
  opacity: 0 !important;
  transform: scale(0.95) !important;
  position: absolute !important;
  pointer-events: none;
  visibility: hidden;
}

.product-card.filter-visible {
  opacity: 1;
  transform: scale(1);
  position: relative;
  pointer-events: auto;
  visibility: visible;
}

/* -- Body scroll lock -- */
.body-drawer-open {
  overflow: hidden;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
  .filter-drawer {
    width: 100%;
  }

  .filter-toggle {
    width: 100%;
    justify-content: center;
  }
}