/* ==========================================================================
   Range Sliders - Modern, Accessible Component
   ========================================================================== */

/* CSS Variables for easy customization */
:root {
  --slider-thumb-size: 12px;
  --slider-track-height: 4px;
  --slider-border-radius: 20px;
  --slider-gap: 12px;
  --slider-transition: 0.2s ease;
}

/* ==========================================================================
   Slider Container
   ========================================================================== */

.slider-container {
  background: var(--BG-0, rgba(251, 251, 249, 1));
  border: 1px solid var(--Palette-Separator, rgba(54, 44, 30, 0.16));
  border-radius: var(--slider-border-radius);
  padding: 12px 20px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 22px;
}

/* ==========================================================================
   Label
   ========================================================================== */

.slider-label {
  display: block;
  margin-bottom: var(--slider-gap);
  color: rgba(54, 44, 30, 1);
  font-weight: 500;
}

/* ==========================================================================
   Slider Wrapper (contains track and inputs)
   ========================================================================== */

.slider-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--slider-gap);
  margin-bottom: 8px;
}

/* Visual background track (decorative) */
.slider-wrapper::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: var(--slider-track-height);
  background: var(--Separator-1, rgba(36, 34, 44, 0.08));
  border-radius: var(--slider-track-height);
  pointer-events: none;
  z-index: 1;
}

/* Special gradient background for avgPriceSqFt filter */
.slider-container[data-filter="avgPriceSqFt"] .slider-wrapper::before {
  background: linear-gradient(to right, rgb(255, 200, 0), rgb(255, 50, 0) 50%, rgb(200, 50, 100));
}

/* ==========================================================================
   Gray Overlays (for gradient sliders)
   ========================================================================== */

.gray-overlay-left,
.gray-overlay-right {
  display: none;
  position: absolute;
  top: 0;
  height: var(--slider-track-height);
  background: rgba(200, 200, 200, 0.9);
  pointer-events: none;
  z-index: 3;
}

/* Show overlays only for gradient slider */
.slider-container[data-filter="avgPriceSqFt"] .gray-overlay-left,
.slider-container[data-filter="avgPriceSqFt"] .gray-overlay-right {
  display: block;
}

.slider-container[data-filter="avgPriceSqFt"] .gray-overlay-left {
  left: 0;
  width: 0%;
  border-radius: var(--slider-track-height) 0 0 var(--slider-track-height);
}

.slider-container[data-filter="avgPriceSqFt"] .gray-overlay-right {
  right: 0;
  width: 0%;
  border-radius: 0 var(--slider-track-height) var(--slider-track-height) 0;
}

/* ==========================================================================
   Range Track (functional container)
   ========================================================================== */

.range-track {
  position: relative;
  width: 100%;
  height: var(--slider-track-height);
  background: transparent;
  border-radius: var(--slider-track-height);
}

/* Blue fill line between thumbs */
.range-track-fill {
  position: absolute;
  height: var(--slider-track-height);
  background: var(--Palette-Focus, rgba(63, 154, 245, 1));
  border-radius: var(--slider-track-height);
  pointer-events: none;
  left: 0;
  top: 0;
  z-index: 2;
  /* No transition - fill moves instantly with thumb */
}

/* Gradient fill for avgPriceSqFt */
.slider-container[data-filter="avgPriceSqFt"] .range-track-fill {
  background: linear-gradient(to right, rgb(255, 200, 0), rgb(255, 50, 0) 50%, rgb(200, 50, 100));
}

/* ==========================================================================
   Range Input Base Styles
   ========================================================================== */

input[type="range"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  position: absolute;
  width: 100%;
  height: var(--slider-thumb-size);
  background: transparent;
  outline: none;
  left: 0;
  top: calc((var(--slider-track-height) - var(--slider-thumb-size)) / 2);
  cursor: pointer;
  padding: 0;
  margin: 0;
  z-index: 4;
}

/* Z-index for layering */
input[type="range"].range-min {
  z-index: 4;
}

input[type="range"].range-max {
  z-index: 5;
}

/* ==========================================================================
   Range Track Styles (Browser-specific)
   ========================================================================== */

/* Webkit (Chrome, Safari, Edge) */
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background: transparent;
  border-radius: 4px;
  border: none;
}

/* Firefox */
input[type="range"]::-moz-range-track {
  height: 4px;
  background: transparent;
  border-radius: 4px;
  border: none;
}

/* IE/Edge (legacy) */
input[type="range"]::-ms-track {
  width: 100%;
  height: 4px; /* Explicit value for IE11 (doesn't support CSS vars) */
  background: transparent;
  border-color: transparent;
  border-width: 0; /* No border - use margin-top on thumb instead */
  color: transparent;
  cursor: pointer;
}

/* IE/Edge fill styles */
input[type="range"]::-ms-fill-lower {
  background: rgba(63, 154, 245, 1);
  border-radius: 4px;
}

input[type="range"]::-ms-fill-upper {
  background: rgba(36, 34, 44, 0.08);
  border-radius: 4px;
}

/* ==========================================================================
   Range Thumb Styles
   ========================================================================== */

/* Webkit thumb */
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  background: rgba(63, 154, 245, 1); /* Default blue color */
  border: 1px solid rgba(63, 154, 245, 1);
  border-radius: 50%;
  cursor: pointer;
  box-sizing: border-box;
  transition: background-color 0.2s ease,
              border-color 0.2s ease,
              transform 0.2s ease;
  margin-top: -4px; /* Center thumb on track: -(12px - 4px) / 2 */
}

/* Firefox thumb */
input[type="range"]::-moz-range-thumb {
  -moz-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  background: rgba(63, 154, 245, 1); /* Default blue color */
  border: 1px solid rgba(63, 154, 245, 1);
  border-radius: 50%;
  cursor: pointer;
  box-sizing: border-box;
  transition: background-color 0.2s ease,
              border-color 0.2s ease,
              transform 0.2s ease;
  margin-top: 0; /* Firefox centers automatically */
}

/* Gradient thumb colors for avgPriceSqFt slider - Webkit */
.slider-container[data-filter="avgPriceSqFt"] input[type="range"]::-webkit-slider-thumb {
  background: var(--thumb-color, rgba(63, 154, 245, 1));
  border-color: var(--thumb-color, rgba(63, 154, 245, 1));
}

/* Gradient thumb colors for avgPriceSqFt slider - Firefox */
.slider-container[data-filter="avgPriceSqFt"] input[type="range"]::-moz-range-thumb {
  background: var(--thumb-color, rgba(63, 154, 245, 1));
  border-color: var(--thumb-color, rgba(63, 154, 245, 1));
}

/* IE/Edge thumb */
input[type="range"]::-ms-thumb {
  width: 12px;
  height: 12px;
  background: rgba(63, 154, 245, 1);
  border: 1px solid rgba(63, 154, 245, 1);
  border-radius: 50%;
  cursor: pointer;
  box-sizing: border-box;
  margin-top: 0; /* IE centers based on track height */
}

/* ==========================================================================
   Thumb Interaction States
   ========================================================================== */

/* Hover state - Webkit */
input[type="range"]:hover::-webkit-slider-thumb {
  transform: scale(1.1);
}

/* Hover state - Firefox */
input[type="range"]:hover::-moz-range-thumb {
  transform: scale(1.1);
}

/* Hover state - IE/Edge */
input[type="range"]:hover::-ms-thumb {
  transform: scale(1.1);
}

/* Active state (dragging) - Webkit */
input[type="range"]:active::-webkit-slider-thumb {
  filter: brightness(1.3);
  transform: scale(1.15);
}

/* Active state (dragging) - Firefox */
input[type="range"]:active::-moz-range-thumb {
  filter: brightness(1.3);
  transform: scale(1.15);
}

/* Active state (dragging) - IE/Edge */
input[type="range"]:active::-ms-thumb {
  filter: brightness(1.3);
  transform: scale(1.15);
}

/* Focus state for keyboard navigation - Webkit */
input[type="range"]:focus-visible::-webkit-slider-thumb {
  outline: 2px solid rgba(63, 154, 245, 1);
  outline-offset: 2px;
}

/* Focus state for keyboard navigation - Firefox */
input[type="range"]:focus-visible::-moz-range-thumb {
  outline: 2px solid rgba(63, 154, 245, 1);
  outline-offset: 2px;
}

/* Focus state for keyboard navigation - IE/Edge */
input[type="range"]:focus-visible::-ms-thumb {
  outline: 2px solid rgba(63, 154, 245, 1);
  outline-offset: 2px;
}

/* ==========================================================================
   Slider Controls (values display and number inputs)
   ========================================================================== */

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
}

/* ==========================================================================
   Range Values Display
   ========================================================================== */

.slider-values {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: 8px;
  font-size: 14px;
  color: rgba(54, 44, 30, 0.5); /* Lighter gray */
  font-weight: 400;
}

.range-value-min,
.range-value-max {
  font-variant-numeric: tabular-nums;
}

.range-separator {
  color: rgba(54, 44, 30, 0.4);
}

/* ==========================================================================
   Number Input Fields
   ========================================================================== */

.slider-input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.slider-input-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(54, 44, 30, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.slider-input {
  width: 90px;
  padding: 6px 10px;
  background: var(--BG-0, rgba(251, 251, 249, 1));
  border: 1px solid var(--Palette-Separator, rgba(54, 44, 30, 0.16));
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-align: right;
  color: rgba(54, 44, 30, 1);
  outline: none;
  transition: border-color var(--slider-transition),
              box-shadow var(--slider-transition);
}

.slider-input:hover {
  border-color: rgba(54, 44, 30, 0.3);
}

.slider-input:focus {
  border-color: var(--Palette-Focus, rgba(63, 154, 245, 1));
  box-shadow: 0 0 0 3px rgba(63, 154, 245, 0.1);
}

/* Remove number input spinners in Webkit */
.slider-input::-webkit-outer-spin-button,
.slider-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Remove number input spinners in Firefox */
.slider-input[type="number"] {
  -moz-appearance: textfield;
}

/* ==========================================================================
   Filters Card
   ========================================================================== */

.filters-card {
  background: rgba(250, 250, 250, 1);
  border: 1px solid var(--Palette-Separator, rgba(54, 44, 30, 0.16));
  border-radius: var(--slider-border-radius);
  box-shadow: 0px 4px 32px 0px rgba(0, 0, 0, 0.16);
  font-family: 'DM Sans', sans-serif;
  max-width: 380px;
  opacity: 0;
  transition: opacity 0.3s ease-in;
}

.filters-card.visible {
  opacity: 1;
}

.filters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
  color: rgba(54, 44, 30, 1);
  cursor: pointer;
  user-select: none;
}

.filters-content {
  padding: 0 4px 4px 4px;
  max-height: 1000px;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.filters-content.collapsed {
  max-height: 0;
  padding: 0 4px 0 4px;
}

.collapse-icon {
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 8px;
}

.collapse-icon.collapsed {
  transform: rotate(180deg);
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Clear all button */
.clear-all-button {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: rgba(63, 154, 245, 1);
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
  text-decoration: none;
  transition: opacity var(--slider-transition);
  flex-shrink: 0;
}

.clear-all-button:hover {
  opacity: 0.7;
}

.clear-all-button:active {
  opacity: 0.5;
}

/* ==========================================================================
   IE11 Specific Fixes
   ========================================================================== */

/* Hide IE tooltip */
input[type="range"]::-ms-tooltip {
  display: none;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  .filters-card {
    max-width: 100%;
  }

  .slider-controls {
    flex-wrap: wrap;
  }

  .slider-values {
    order: -1;
    width: 100%;
    margin-bottom: 8px;
  }

  .slider-input {
    width: 80px;
  }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}