/* ==========================================================================
   GridMaster - Controls Panel & Component Styles
   ========================================================================== */

.sidebar-controls {
  width: var(--sidebar-width);
  height: 100%;
  min-height: 0;
  max-height: 100%;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 40;
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  background: var(--bg-panel);
  z-index: 2;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-scrollable {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 14px 14px 32px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* Custom Scrollbar */
.sidebar-scrollable::-webkit-scrollbar {
  width: 7px;
}
.sidebar-scrollable::-webkit-scrollbar-track {
  background: transparent;
}
.sidebar-scrollable::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
}
.sidebar-scrollable::-webkit-scrollbar-thumb:hover {
  background: var(--text-faint);
}

/* Accordion Component */
.accordion-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  flex-shrink: 0;
}

.accordion-item.is-open {
  border-color: var(--border-strong);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

.accordion-trigger:hover {
  background: var(--bg-panel-hover);
}

.accordion-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.accordion-icon {
  color: var(--accent-primary);
  display: flex;
  align-items: center;
}

.accordion-chevron {
  color: var(--text-faint);
  transition: transform var(--transition-fast);
}

.accordion-item.is-open .accordion-chevron {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 14px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-panel-elevated);
  flex-direction: column;
  gap: 14px;
}

.accordion-item.is-open .accordion-content {
  display: flex;
}

/* Form Controls & Groups */
.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.control-value-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-primary);
  background: var(--bg-panel-hover);
  border: 1px solid var(--border-medium);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
}

/* Grid Mode Segmented Control */
.segmented-control {
  display: flex;
  background: var(--bg-panel-hover);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.segmented-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.segmented-btn:hover {
  color: var(--text-primary);
}

.segmented-btn.active {
  background: var(--bg-panel);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Number Stepper Inputs */
.stepper-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stepper-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stepper-input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.stepper-input-wrap:focus-within {
  border-color: var(--border-focus);
}

.stepper-btn {
  background: var(--bg-panel-hover);
  border: none;
  color: var(--accent-primary);
  width: 28px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition-fast);
}

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

.stepper-input {
  flex: 1;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  outline: none;
  -moz-appearance: textfield;
}

.stepper-input::-webkit-outer-spin-button,
.stepper-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Range Sliders */
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-panel-hover);
  border-radius: var(--radius-pill);
  outline: none;
  border: 1px solid var(--border-medium);
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 2.5px solid var(--accent-primary);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.18);
}

/* Color Swatches Grid */
.color-picker-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.color-swatches {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.color-swatch-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.color-swatch-btn:hover {
  transform: scale(1.1);
}

.color-swatch-btn.active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--bg-panel), 0 0 0 4px var(--accent-primary);
}

.custom-color-wrap {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.custom-color-input {
  position: absolute;
  top: -10px;
  left: -10px;
  width: 50px;
  height: 50px;
  cursor: pointer;
  opacity: 0;
}

/* Clean Custom Checkbox System */
.checkbox-control {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  margin: 4px 0 8px 0;
  border-radius: var(--radius-sm);
  background: var(--bg-panel-hover);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.checkbox-control:hover {
  background: var(--border-subtle);
  border-color: var(--border-medium);
}

.checkbox-control:focus-within {
  border-color: var(--border-focus);
}

.custom-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.checkbox-box {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 4px;
  border: 1.5px solid var(--border-strong);
  background: var(--bg-panel);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  color: #ffffff;
}

.checkbox-box svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.15s ease;
  stroke: #ffffff;
}

.custom-checkbox:checked + .checkbox-box {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.custom-checkbox:checked + .checkbox-box svg {
  opacity: 1;
  transform: scale(1);
}

.custom-checkbox:focus-visible + .checkbox-box {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.checkbox-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  line-height: 1.3;
}

.checkbox-label svg {
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* Legacy fallback for toggle-switch-row if referenced */
.toggle-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  cursor: pointer;
}

/* Mobile Category Navigation Bar (In-page tab navigation) */
.mobile-category-nav {
  display: none;
}

/* Grid Positioning Nudge Controls */
.nudge-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nudge-btn {
  flex: 1;
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.nudge-btn:hover {
  background: var(--bg-panel-hover);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Presets Grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.preset-card-btn {
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 3px;
  box-shadow: var(--shadow-sm);
}

.preset-card-btn:hover {
  border-color: var(--accent-primary);
  background: var(--bg-panel-hover);
}

.preset-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.preset-desc {
  font-size: 10px;
  color: var(--text-secondary);
}

/* Sidebar Footer (Sticky Reset / Actions) */
.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-medium);
  background: var(--bg-panel);
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  z-index: 2;
}

#btn-sidebar-export {
  background: var(--color-dark);
  color: white;
  border: 1px solid var(--color-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

#btn-sidebar-export:hover {
  background: var(--color-dark-hover);
  border-color: var(--color-dark-hover);
}