/* ==========================================================================
   IndusAR 3D Web Studio — Design System & Theme
   ========================================================================== */

:root {
  --indus-bg-dark: #020617;
  --indus-bg-surface: #0f172a;
  --indus-bg-elevated: #1e293b;
  --indus-border: #334155;
  --indus-border-subtle: rgba(255, 255, 255, 0.08);
  --indus-cyan: #06b6d4;
  --indus-blue: #3b82f6;
  --indus-text: #f8fafc;
  --indus-text-muted: #94a3b8;
  --indus-radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--indus-bg-dark);
  color: var(--indus-text);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Header */
.indus-header {
  height: 56px;
  background: var(--indus-bg-surface);
  border-bottom: 1px solid var(--indus-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
}

.indus-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.indus-logo-badge {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--indus-cyan), var(--indus-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}

.indus-project-title-input {
  background: transparent;
  border: 1px solid transparent;
  color: var(--indus-text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.indus-project-title-input:hover, .indus-project-title-input:focus {
  background: var(--indus-bg-elevated);
  border-color: var(--indus-border);
  outline: none;
}

.indus-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.indus-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.indus-btn-primary {
  background: linear-gradient(135deg, var(--indus-cyan), var(--indus-blue));
  color: #fff;
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.3);
}

.indus-btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.indus-btn-secondary {
  background: var(--indus-bg-elevated);
  color: var(--indus-text);
  border: 1px solid var(--indus-border);
}

.indus-btn-secondary:hover {
  background: #334155;
}

/* Studio Workspace Layout */
.indus-workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 320px 1fr 340px;
  height: calc(100vh - 56px);
  position: relative;
}

/* Left Sidebar: Assets & Layers */
.indus-sidebar-left {
  background: var(--indus-bg-surface);
  border-right: 1px solid var(--indus-border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.indus-panel-section {
  padding: 16px;
  border-bottom: 1px solid var(--indus-border-subtle);
}

.indus-panel-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--indus-text-muted);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Target Preview Box */
.indus-target-box {
  width: 100%;
  height: 160px;
  border: 2px dashed var(--indus-border);
  border-radius: var(--indus-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.6);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.2s ease;
}

.indus-target-box:hover {
  border-color: var(--indus-cyan);
  background: rgba(6, 182, 212, 0.05);
}

.indus-target-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

/* Target Shape Toggle */
.indus-shape-toggle {
  display: flex;
  background: var(--indus-bg-elevated);
  border-radius: 8px;
  padding: 4px;
  gap: 4px;
  margin-top: 10px;
}

.indus-shape-btn {
  flex: 1;
  padding: 6px;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--indus-text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.indus-shape-btn.active {
  background: var(--indus-cyan);
  color: #020617;
  font-weight: 700;
}

/* Layer Stack List */
.indus-layer-item {
  padding: 10px 12px;
  background: var(--indus-bg-elevated);
  border: 1px solid var(--indus-border-subtle);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.indus-layer-item:hover, .indus-layer-item.selected {
  border-color: var(--indus-cyan);
  background: #273549;
}

.indus-layer-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
}

/* Center Viewport */
.indus-viewport-container {
  position: relative;
  background: #090d16;
  overflow: hidden;
}

#indus-viewport-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.indus-viewport-controls {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  gap: 6px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--indus-border-subtle);
  padding: 4px;
  border-radius: 8px;
  backdrop-filter: blur(12px);
}

.indus-tool-btn {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--indus-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.indus-tool-btn:hover, .indus-tool-btn.active {
  background: var(--indus-cyan);
  color: #020617;
}

/* Right Inspector Sidebar */
.indus-sidebar-right {
  background: var(--indus-bg-surface);
  border-left: 1px solid var(--indus-border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 16px;
  gap: 16px;
}

.indus-stepper-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.indus-input-group {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--indus-bg-elevated);
  border: 1px solid var(--indus-border-subtle);
  border-radius: 8px;
  padding: 6px 10px;
}

.indus-input-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--indus-text-muted);
  margin-right: 8px;
}

.indus-num-input {
  width: 100%;
  background: transparent;
  border: none;
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.indus-slider-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.indus-slider-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--indus-text-muted);
}

.indus-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--indus-border);
  outline: none;
}

.indus-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--indus-cyan);
  cursor: pointer;
}

.hidden {
  display: none !important;
}