/* =============================
   Editor Tabs
   ============================= */
.editor-tabs {
  display: flex;
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--secondary-text);
  padding: 10px 20px;
  cursor: pointer;
  font-size: 14px;
  border-top: 2px solid transparent;
  outline: none;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-color);
  background-color: var(--surface-color);
}

.tab-btn.active {
  color: var(--text-color);
  background-color: var(--bg-color);
  /* border-top: 2px solid var(--primary-color); */
}

/* =============================
   Tab Contents
   ============================= */
.tab-content {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.tab-content.active {
  display: flex;
}

/* =============================
   Robot Settings Tab Layout
   ============================= */
#tab-settings.tab-content {
  overflow-y: auto;
  background-color: var(--bg-color);
  color: var(--secondary-text);
  padding: 12px;
  gap: 12px;
  flex-direction: column;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

#tab-settings.tab-content::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

/* Override display to block (not flex) when settings tab is active
   so content stacks vertically and the tab can scroll */
#tab-settings.tab-content.active {
  display: block;
}

/* --- Top Row --- */
.settings-top-row {
  display: flex;
  gap: 0;
  flex-shrink: 0;
}

/* Vertical Resizer between preview and device selector */
.settings-v-resizer {
  width: 6px;
  cursor: col-resize;
  background: transparent;
  flex-shrink: 0;
  position: relative;
  transition: background 0.15s;
}

.settings-v-resizer::after {
  content: "";
  position: absolute;
  top: 10%;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: var(--border-color);
  border-radius: 2px;
  transition: background 0.15s;
}

.settings-v-resizer:hover::after,
.settings-v-resizer.dragging::after {
  background: var(--primary-color);
}

/* Preview Box (top-left) */
.settings-preview-box {
  background: var(--header-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 180px;
}

.settings-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #ccc;
  font-size: 13px;
  font-weight: 600;
}

/* Device Selector (top-right) */
.settings-device-selector {
  background: var(--header-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.device-selector-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.device-btn {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--secondary-text);
  padding: 8px 12px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.device-btn:hover {
  background: #2d2d2d;
  color: #fff;
}

.device-btn.active {
  border-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 700;
  background: var(--surface-color);
}

/* --- Bottom Row --- */
.settings-bottom-row {
  margin-top: 12px;
}

.device-panel {
  background: var(--header-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: visible;
  display: flex;
  flex-direction: column;
}

.device-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--header-bg);
  padding: 10px 15px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-color);
  border-radius: 8px 8px 0 0;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.btn-panel-add {
  background: var(--success-color);
  border: none;
  color: #fff;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: background 0.15s;
}

.btn-panel-add:hover {
  background: var(--success-hover);
}

.device-panel-body {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Wheel position input row */
.wheel-position-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 5px;
}

.wheel-position-row label {
  font-size: 13px;
  color: #ccc;
  white-space: nowrap;
}

.wheel-position-row input {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--secondary-text);
  padding: 4px 8px;
  border-radius: 4px;
  width: 80px;
  font-size: 13px;
}

/* =============================
   Sensor Items in Panels
   ============================= */
.sensor-panel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  /* border-left: 4px solid var(--primary-color); */
  border-radius: 8px;
  gap: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 4px;
}

.sensor-panel-item:hover {
  background: var(--surface-color);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.sensor-panel-item-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  font-size: 13px;
  color: #e0e0e0;
}

.sensor-panel-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sensor-panel-item-name {
  font-weight: 700;
  color: var(--text-color);
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 4px;
}

.sensor-panel-inputs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 12px;
  align-items: center;
}

.sensor-input-wrapper {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sensor-input-wrapper label {
  font-size: 10px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.sensor-panel-item-info input[type="number"],
.sensor-panel-item-info select {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 6px 10px;
  border-radius: 6px;
  width: 100%;
  font-size: 12px;
  transition: all 0.2s;
  box-sizing: border-box;
}

.sensor-panel-item-info input[type="number"]:focus,
.sensor-panel-item-info select:focus {
  border-color: var(--primary-color);
  outline: none;
  background: var(--surface-color);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.sensor-panel-item-info input[type="color"] {
  width: 100%;
  height: 32px;
  padding: 2px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-color);
  cursor: pointer;
}

.sensor-panel-item-info input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent-color);
}

.btn-panel-delete {
  background: transparent;
  border: 1px solid rgba(231, 76, 60, 0.4);
  color: var(--danger-color);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  flex-shrink: 0;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-panel-delete:hover {
  background: rgba(231, 76, 60, 0.15);
  border-color: var(--danger-color);
  color: var(--danger-color);
}

.panel-empty-message {
  color: #666;
  font-style: italic;
  font-size: 12px;
  padding: 8px 0;
}

/* =============================
   Grip Device Button Style
   ============================= */
/* #dev-btn-grip.active {
  border-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 700;
  background: var(--surface-color);
} */

/* =============================
   Grip Panel Item Style
   ============================= */
/* .grip-panel-item {
  border-left: 3px solid var(--success-color);
}

.grip-name {
  color: var(--success-color) !important;
}

.btn-panel-add-grip {
  background: var(--success-color) !important;
}

.btn-panel-add-grip:hover {
  background: var(--success-hover) !important;
}

.btn-panel-add-grip:disabled {
  background: #555 !important;
  cursor: not-allowed;
  opacity: 0.6;
} */