/* ==========================================================================
   Variables de Design System - Thème Clair Premium (Thème Jour)
   ========================================================================== */
:root {
  --bg-primary: #e2e8f0;     /* Slate 200 - fond studio */
  --bg-secondary: #ffffff;   /* Blanc pur - barres latérales */
  --bg-tertiary: #f8fafc;    /* Slate 50 - entrées de formulaires */
  --bg-card: #f1f5f9;        /* Slate 100 - boutons d'éléments */
  
  --border-color: #cbd5e1;   /* Slate 300 - séparations */
  --border-active: #2563eb;  /* Bleu roi professionnel */
  --border-glow: rgba(37, 99, 235, 0.15);
  
  --text-main: #0f172a;      /* Slate 900 - lisibilité maximale */
  --text-muted: #475569;     /* Slate 600 - secondaire */
  --text-active: #2563eb;
  
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-green: #16a34a;   /* Vert alu laqué */
  --accent-green-hover: #15803d;
  --accent-red: #dc2626;     /* Rouge alerte */
  --accent-red-hover: #b91c1c;
  --accent-yellow: #d97706;  
  
  --shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  --transition-fast: all 0.15s ease;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Layout Principal
   ========================================================================== */
#main-header {
  height: 60px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

#app-container {
  flex: 1;
  display: flex;
  height: calc(100vh - 60px);
  overflow: hidden;
  position: relative;
}

/* ==========================================================================
   Header Elements
   ========================================================================== */
.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 24px;
}

.logo-area h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #1e293b;
}

.badge {
  font-size: 0.65rem;
  background-color: var(--accent-blue);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: bold;
}

/* Modes de transformation */
.transform-modes {
  display: flex;
  background-color: var(--bg-tertiary);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.btn-mode {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.btn-mode:hover {
  color: var(--text-main);
  background-color: rgba(0, 0, 0, 0.03);
}

.btn-mode.active {
  color: #fff;
  background-color: var(--accent-blue);
  box-shadow: 0 2px 6px var(--border-glow);
}

/* Actions Projet */
.project-actions {
  display: flex;
  gap: 10px;
}

/* ==========================================================================
   Boutons Génériques
   ========================================================================== */
.btn {
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.btn-primary {
  background-color: var(--accent-blue);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn:disabled, .btn-secondary:disabled, .btn-primary:disabled {
  background-color: var(--bg-card) !important;
  color: var(--text-muted) !important;
  border-color: var(--border-color) !important;
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
  pointer-events: none !important;
}

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

.btn-secondary:hover {
  background-color: var(--bg-card);
  border-color: #94a3b8;
}

.btn-success {
  background-color: var(--accent-green);
  color: white;
}

.btn-success:hover {
  background-color: var(--accent-green-hover);
}

.btn-danger {
  background-color: var(--accent-red);
  color: white;
}

.btn-danger:hover {
  background-color: var(--accent-red-hover);
}

.btn-small {
  padding: 5px 10px;
  font-size: 0.75rem;
  border-radius: 4px;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Sidebars (Barres Latérales)
   ========================================================================== */
.sidebar {
  width: 330px;
  min-width: 330px;
  flex-basis: 330px;
  height: 100%;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 5;
  box-shadow: 0 0 10px rgba(0,0,0,0.02);
}

#sidebar-right {
  border-right: none;
  border-left: 1px solid var(--border-color);
  width: 350px;
  min-width: 350px;
  flex-basis: 350px; /* Un peu plus large pour les tableaux de débit */
}

.sidebar > * {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.3s ease;
}

/* Onglets Sidebar */
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
}

.tab-btn, .tab-btn-right {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  padding: 12px 0;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.tab-btn:hover, .tab-btn-right:hover {
  color: var(--text-main);
  background-color: rgba(0, 0, 0, 0.02);
}

.tab-btn.active, .tab-btn-right.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
  background-color: #ffffff;
}

.sidebar-content, .sidebar-right-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 18px;
}

.tab-panel, .right-tab-panel {
  display: none;
}

.tab-panel.active, .right-tab-panel.active {
  display: block;
}

.sidebar h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 4px;
}

.panel-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.4;
}

/* ==========================================================================
   Configurateur Paramétrique
   ========================================================================== */
.config-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.config-fieldset {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 6px;
  background-color: rgba(0,0,0,0.01);
}

.config-fieldset legend {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 6px;
  letter-spacing: 0.5px;
}

.simple-objects-toggle h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Composant de Création d'objets (Créer V1)
   ========================================================================== */
.creation-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ==========================================================================
   Composant d'Import & Photo
   ========================================================================== */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 20px 10px;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg-tertiary);
  transition: var(--transition-fast);
}

.drop-zone.dragover {
  border-color: var(--accent-blue);
  background-color: rgba(37, 99, 235, 0.05);
}

.perspective-controls h3 {
  font-size: 0.8rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 4px;
}

.camera-helpers {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: 8px;
}

.helper-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ==========================================================================
   Composant Bibliothèque
   ========================================================================== */
.library-save-form {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
}

.library-save-form h3 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
}

.category-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.78rem;
}

.library-items-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.library-card {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
}

.library-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.library-card-thumb {
  height: 80px;
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.library-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.library-card-info {
  padding: 4px 6px;
  display: flex;
  flex-direction: column;
}

.library-card-name {
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.library-card-cat {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.btn-delete-lib-item {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: var(--accent-red);
  color: white;
  border: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
}

.library-card:hover .btn-delete-lib-item {
  opacity: 0.85;
}

.btn-edit-lib-item {
  position: absolute;
  top: 4px;
  right: 24px;
  background-color: var(--accent-blue, #3b82f6);
  color: white;
  border: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
}

.library-card:hover .btn-edit-lib-item {
  opacity: 0.85;
}

/* ==========================================================================
   Viewport 3D (Centre) & Photo de Fond
   ========================================================================== */
#viewport-container {
  flex: 1;
  min-width: 0; /* Permettre au viewport de rétrécir sous la taille du canvas */
  position: relative;
  height: 100%;
  background-color: #f1f5f9; /* Studio Light */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: background-image 0.2s ease;
}

#canvas-holder {
  width: 100%;
  height: 100%;
  outline: none;
  position: relative;
}

.viewport-overlay-info {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--text-muted);
  pointer-events: none;
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
}

.selection-indicator {
  position: absolute;
  top: 15px;
  left: 20px;
  background-color: #ffffff;
  border: 1px solid var(--border-active);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-main);
  pointer-events: none;
  box-shadow: var(--shadow-lg);
}

.selection-indicator span {
  color: var(--accent-blue);
}

/* ==========================================================================
   Arborescence & Inspecteur (Droite)
   ========================================================================== */
.hierarchy-list {
  padding: 6px 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.hierarchy-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.hierarchy-item:hover {
  background-color: var(--bg-card);
}

.hierarchy-item.selected {
  background-color: rgba(37, 99, 235, 0.05);
  border-color: var(--accent-blue);
}

.hierarchy-item-name {
  flex: 1;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: 6px;
}

.hierarchy-item-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.btn-hier {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.7rem;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-hier:hover {
  color: var(--text-main);
  background-color: rgba(0,0,0,0.04);
}

.btn-hier-delete:hover {
  color: var(--accent-red);
}

/* ==========================================================================
   Inspecteur Formulaires
   ========================================================================== */
.inspector-placeholder {
  text-align: center;
  color: var(--text-muted);
  padding: 30px 10px;
}

.placeholder-icon {
  font-size: 28px;
  opacity: 0.4;
  margin-bottom: 6px;
}

.inspector-content {
  padding: 8px 0;
}

.form-group {
  margin-bottom: 10px;
}

.form-group.inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  font-weight: 600;
}

input[type="text"],
select,
input[type="number"] {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 5px 8px;
  color: var(--text-main);
  font-size: 0.8rem;
  outline: none;
}

input[type="text"]:focus,
select:focus,
input[type="number"]:focus {
  border-color: var(--accent-blue);
  background-color: #fff;
}

input[type="color"] {
  border: 1px solid var(--border-color);
  background: transparent;
  cursor: pointer;
  width: 40px;
  height: 22px;
  border-radius: 4px;
}

.prop-fieldset {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 10px;
}

.prop-fieldset legend {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 4px;
}

.xyz-inputs {
  display: flex;
  gap: 6px;
}

.xyz-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 3px;
}

.xyz-field label {
  font-size: 0.65rem;
  font-weight: bold;
  color: var(--text-muted);
}

.xyz-field input {
  padding: 4px;
  font-size: 0.72rem;
  text-align: center;
}

.parametric-properties-area {
  border-top: 1px dashed var(--border-color);
  margin-top: 12px;
  padding-top: 10px;
}

.parametric-properties-area h3 {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  text-transform: uppercase;
}

/* ==========================================================================
   Tableau de Nomenclature (BOM)
   ========================================================================== */
.bom-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 0.72rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.bom-table th {
  background-color: var(--bg-card);
  color: var(--text-main);
  font-weight: 700;
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
}

.bom-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.bom-table tr:last-child td {
  border-bottom: none;
}

.bom-table tr:hover {
  background-color: var(--bg-tertiary);
}

.bom-summary-box {
  margin-top: 15px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.summary-row strong {
  font-size: 0.85rem;
  color: var(--text-main);
}

/* ==========================================================================
   Nomenclature & Accordions Débit / BOM
   ========================================================================== */
.bom-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 18px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1.5px solid var(--border-color);
  padding-bottom: 4px;
}

.bom-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 15px;
}

.bom-accordion-item {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--bg-card);
}

.bom-accordion-header {
  background-color: var(--bg-secondary);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s;
}

.bom-accordion-header:hover {
  background-color: var(--bg-tertiary);
}

.bom-accordion-title-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bom-accordion-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-main);
}

.bom-accordion-subtitle {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.bom-accordion-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bom-accordion-badge {
  font-size: 0.65rem;
  background-color: var(--border-color);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 12px;
  font-weight: 600;
}

.bom-accordion-toggle {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.bom-accordion-item.open .bom-accordion-toggle {
  transform: rotate(90deg);
}

.bom-accordion-content {
  display: none;
  padding: 10px;
  border-top: 1px solid var(--border-color);
  background-color: #ffffff;
}

.bom-accordion-item.open .bom-accordion-content {
  display: block;
}

.bom-canvas-container {
  text-align: center;
  margin-bottom: 12px;
  background-color: #f8fafc;
  padding: 8px;
  border-radius: 6px;
  border: 1px dashed var(--border-color);
}

.bom-canvas {
  max-width: 100%;
  height: auto;
  background-color: #ffffff;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
}

/* ==========================================================================
   Scrollbar & Utility
   ========================================================================== */
.hidden {
  display: none !important;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Box de répartition Style Media Soft
   ========================================================================== */
.repartition-info-box {
  margin-top: 14px;
  padding: 12px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}

.repartition-info-title {
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  font-size: 0.78rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 4px;
}

.repartition-info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.repartition-info-row:last-child {
  margin-bottom: 0;
}

.repartition-info-row span {
  font-weight: 400;
}

.repartition-info-row strong {
  color: var(--text-main);
  font-weight: 600;
}

/* ==========================================================================
   Modal Éditeur de Façade (Photo-calibration & Recadrage V2)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.25s ease;
}

.modal-overlay.hidden {
  display: none !important;
  opacity: 0;
  pointer-events: none;
}

.modal-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 40px rgba(255,255,255,0.2) inset;
  border-radius: 16px;
  width: 90vw;
  max-width: 1100px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalReveal 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalReveal {
  from {
    transform: scale(0.95) translateY(10px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-secondary);
}

.modal-header h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  transition: color 0.15s ease;
}

.btn-close-modal:hover {
  color: var(--text-main);
}

.modal-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  background: var(--bg-main);
}

/* Zone workspace de gauche */
.editor-workspace {
  flex: 1;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0f172a; /* Fond sombre pour faire ressortir l'image */
  overflow: auto;
}

.canvas-container {
  position: relative;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  overflow: hidden;
}

#editor-canvas {
  display: block;
}

#editor-overlay-container {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

/* Points de la règle d'échelle */
.editor-ruler-point {
  position: absolute;
  width: 24px;
  height: 24px;
  background: #2563eb;
  border: 3px solid #ffffff;
  border-radius: 50%;
  pointer-events: auto;
  cursor: grab;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-size: 10px;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.4);
  z-index: 10;
  transition: transform 0.1s ease;
}

.editor-ruler-point:hover {
  transform: translate(-50%, -50%) scale(1.15);
}

.editor-ruler-point:active {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(0.95);
  background: #1d4ed8;
}

/* Rectangle de recadrage */
.editor-crop-box {
  position: absolute;
  border: 2px dashed #facc15; /* Jaune vif */
  background-color: rgba(250, 204, 21, 0.12);
  box-shadow: 0 0 0 9999px rgba(15, 23, 42, 0.6); /* Masquer le reste de l'image */
  pointer-events: auto;
  cursor: move;
  z-index: 5;
  box-sizing: border-box;
}

/* Poignées du rectangle de recadrage */
.crop-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #facc15;
  border: 1px solid #000;
  box-sizing: border-box;
}

.handle-tl { top: -5px; left: -5px; cursor: nwse-resize; }
.handle-tr { top: -5px; right: -5px; cursor: nesw-resize; }
.handle-bl { bottom: -5px; left: -5px; cursor: nesw-resize; }
.handle-br { bottom: -5px; right: -5px; cursor: nwse-resize; }
.handle-t  { top: -5px; left: calc(50% - 5px); cursor: ns-resize; }
.handle-b  { bottom: -5px; left: calc(50% - 5px); cursor: ns-resize; }
.handle-l  { top: calc(50% - 5px); left: -5px; cursor: ew-resize; }
.handle-r  { top: calc(50% - 5px); right: -5px; cursor: ew-resize; }

/* Barre latérale de droite */
.editor-sidebar {
  width: 320px;
  border-left: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  overflow-y: auto;
}

.editor-sidebar h4 {
  font-family: 'Outfit', sans-serif;
  margin: 0 0 6px 0;
  font-size: 1rem;
  color: var(--text-main);
}

.editor-tip {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.editor-step {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
}

.step-badge {
  background: var(--bg-tertiary);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.8rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

.step-content h5 {
  font-family: 'Outfit', sans-serif;
  margin: 0 0 4px 0;
  font-size: 0.78rem;
  color: var(--text-main);
}

.step-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.3;
}

.editor-stats {
  margin-top: 10px;
  background: #f0fdf4; /* Teinte verte pour l'état */
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 20px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #166534;
}

.stat-row strong {
  font-size: 0.85rem;
  font-weight: 700;
}

.editor-actions {
  margin-top: auto; /* Pousse les actions vers le bas */
}

/* Poignées du polygone de détourage */
.editor-poly-handle {
  position: absolute;
  width: 12px;
  height: 12px;
  background-color: #facc15; /* Jaune */
  border: 1.5px solid #000000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  cursor: pointer;
  pointer-events: auto;
  transform: translate(-50%, -50%);
  z-index: 12;
  transition: transform 0.1s ease, background-color 0.1s ease;
}

.editor-poly-handle:hover {
  transform: translate(-50%, -50%) scale(1.3);
  background-color: #eab308;
}

.editor-poly-handle:active {
  transform: translate(-50%, -50%) scale(0.95);
  cursor: grabbing;
}

/* Poignées spéciales pour la ligne de sol (niveau 0) en rouge */
.editor-poly-handle.ground-handle {
  background-color: #ef4444; /* Rouge vif (Slate Red) */
  border-color: #000000;
  box-shadow: 0 2px 5px rgba(239, 68, 68, 0.4);
}

.editor-poly-handle.ground-handle:hover {
  background-color: #dc2626;
  transform: translate(-50%, -50%) scale(1.3);
}

/* Règle point A/B : empêcher les sous-éléments d'intercepter les clics */
.editor-ruler-point span {
  pointer-events: none;
}

/* Boîte de saisie de distance flottante pour l'outil Crayon */
.pencil-distance-box {
  position: absolute;
  background-color: #ffffff;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  pointer-events: auto;
}

.pencil-distance-box input {
  width: 75px;
  border: none;
  background: transparent;
  outline: none;
  font-weight: 700;
  color: var(--text-main);
  text-align: right;
  font-size: 0.9rem;
}

/* Retirer les flèches d'incrément sur les inputs de type number */
.pencil-distance-box input::-webkit-outer-spin-button,
.pencil-distance-box input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.pencil-distance-box input[type=number] {
  -moz-appearance: textfield;
}

.pencil-distance-box .unit {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: lowercase;
}

/* Indicateur de magnétisme (Snapping cursor) */
.pencil-snap-indicator {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid #22c55e; /* Vert brillant */
  background-color: rgba(34, 197, 94, 0.25);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

/* Barre d'options de tracé crayon */
.pencil-options-bar {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 4px 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  z-index: 10000;
  pointer-events: auto;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pencil-options-bar.hidden {
  opacity: 0;
  transform: translate(-50%, -10px);
  pointer-events: none;
}

.pencil-options-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0 8px 0 12px;
}

.btn-pencil-option {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.btn-pencil-option:hover {
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.04);
}

.btn-pencil-option.active {
  background: var(--accent-blue);
  color: white;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

/* Bannière de sélection de trait */
.pencil-selection-banner {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.95); /* Dark Slate */
  backdrop-filter: blur(8px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 30px;
  padding: 8px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  z-index: 10001;
  pointer-events: auto;
  transition: all 0.3s ease;
  font-size: 0.85rem;
  font-weight: 500;
}

.pencil-selection-banner.hidden {
  opacity: 0;
  transform: translate(-50%, -10px);
  pointer-events: none;
}

/* Styles pour l'Éditeur de Section Composée */
#composite-canvas {
  background-color: #1a1a1a;
  border-radius: 4px;
  box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.9);
}

.comp-sub-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: var(--bg-secondary, #1e293b);
  border: 1px solid var(--border-color, #334155);
  border-radius: 4px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 0.75rem;
  color: var(--text-main, #f8fafc);
}

.comp-sub-card:hover {
  background: var(--bg-tertiary, #334155);
  border-color: var(--text-muted, #64748b);
}

.comp-sub-card.selected {
  border-color: #3b82f6; /* Bleu accent */
  background: rgba(59, 130, 246, 0.12);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
}

.comp-sub-card-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.comp-sub-card-name {
  font-weight: 600;
}

.comp-sub-card-details {
  font-size: 0.65rem;
  color: var(--text-muted, #94a3b8);
}

.comp-sub-card-del {
  background: transparent;
  border: none;
  color: #ef4444;
  cursor: pointer;
  padding: 4px;
  font-size: 0.8rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.comp-sub-card-del:hover {
  background: rgba(239, 68, 68, 0.15);
}

.form-group-small {
  margin-bottom: 6px;
}

/* Styles pour le catalogue de maisons du terrain */
.terrain-house-section-disabled {
  opacity: 0.45;
  pointer-events: none;
  filter: grayscale(0.8);
}

.house-preset-card {
  padding: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}

.house-preset-card:hover {
  border-color: var(--accent-blue);
  background-color: rgba(37, 99, 235, 0.03);
  transform: translateY(-1px);
}

.house-preset-card.selected {
  border-color: var(--accent-blue);
  background-color: rgba(37, 99, 235, 0.08);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.house-preset-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-main);
}

.house-preset-style {
  font-size: 0.62rem;
  color: var(--accent-blue, #3b82f6);
  font-weight: 500;
}

.house-preset-desc {
  font-size: 0.58rem;
  color: var(--text-muted);
  line-height: 1.2;
}

/* Étiquettes de mesure 3D */
.measure-label {
  position: absolute;
  transform: translate(-50%, -50%);
  background: rgba(15, 23, 42, 0.85); /* Slate 900 */
  color: #ffffff;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  pointer-events: none;
  z-index: 10000;
  font-family: 'Outfit', sans-serif;
  transition: opacity 0.1s ease;
}

/* Drag and Drop style in Hierarchy list */
.hierarchy-item.drag-over {
  border: 1px dashed var(--primary-color, #2563eb) !important;
  background-color: rgba(37, 99, 235, 0.08) !important;
}

/* Boutons de sélection rapide de hauteur */
.height-presets-container {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.btn-height-preset {
  flex: 1;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  transition: var(--transition-fast);
}

.btn-height-preset:hover {
  border-color: #94a3b8;
  color: var(--text-main);
  background-color: var(--bg-card);
}

.btn-height-preset.active {
  color: #fff !important;
  background-color: var(--accent-blue) !important;
  border-color: var(--accent-blue) !important;
  box-shadow: 0 2px 6px var(--border-glow);
}

/* ==========================================================================
   Éditeur de séquence personnalisé (Panachage de lames)
   ========================================================================== */
.sequence-editor-container {
  margin-top: 12px;
  padding: 10px;
  background-color: var(--bg-tertiary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}

.sequence-row {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 6px;
  background: var(--bg-card, #ffffff);
  padding: 4px;
  border-radius: 4px;
  border: 1px solid var(--border-color, #e2e8f0);
}

.sequence-select {
  flex: 1;
  padding: 3px 6px;
  font-size: 0.72rem;
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 4px;
  background-color: #fff;
  color: var(--text-main, #0f172a);
}

.sequence-btn {
  background: var(--bg-tertiary, #f1f5f9);
  border: 1px solid var(--border-color, #cbd5e1);
  color: var(--text-muted, #475569);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 0.65rem;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  min-width: 20px;
}

.sequence-btn:hover:not(:disabled) {
  background: var(--border-color, #cbd5e1);
  color: var(--text-main, #0f172a);
}

.sequence-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.sequence-btn.btn-delete {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.2);
}

.sequence-btn.btn-delete:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

.sequence-btn-add {
  width: 100%;
  padding: 6px;
  background-color: var(--bg-card, #ffffff);
  border: 1px dashed var(--border-color, #cbd5e1);
  color: var(--accent-blue, #2563eb);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 4px;
  transition: all 0.15s ease;
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.sequence-btn-add:hover {
  background-color: rgba(37, 99, 235, 0.04);
  border-color: var(--accent-blue, #2563eb);
  border-style: solid;
}/* ==========================================================================
   Notice et animation de montage 3D
   ========================================================================== */
#studio-montage-player-panel button:hover {
  transform: scale(1.1);
}
#studio-montage-player-panel button:active {
  transform: scale(0.95);
}
#studio-montage-player-panel #btn-montage-play:hover {
  background: #0ea5e9;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.6);
}
#studio-montage-player-panel #btn-montage-close:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
  transform: scale(1.05);
}
.montage-dot:hover {
  transform: scale(1.3);
  background: #38bdf8 !important;
}
.montage-dot.active {
  width: 24px !important;
  border-radius: 4px !important;
  background: #38bdf8 !important;
}

/* Empecher le retrecissement des elements dans les sidebars du studio pour permettre le scroll */
.studio-folder-details,
#studio-models-folders-container > *,
#studio-properties-scroll-container > *,
#studio-accessory-scroll-container > *,
#studio-sidebar-left div[style*="overflow-y"] > * {
  flex-shrink: 0;
}

/* ==========================================================================
   Styles d'Authentification et d'Administration (Supabase Rôles)
   ========================================================================== */
.login-card input:focus {
  border-color: #3b82f6 !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
  background: rgba(0, 0, 0, 0.4) !important;
}

.user-account-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
  transition: all 0.2s ease;
  font-family: 'Outfit', sans-serif;
}

.user-account-item:hover {
  border-color: var(--text-muted);
  background: var(--bg-tertiary);
}

.user-badge-role {
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.user-role-admin { background: rgba(239, 68, 68, 0.15); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }
.user-role-manager { background: rgba(59, 130, 246, 0.15); color: #3b82f6; border: 1px solid rgba(59, 130, 246, 0.3); }
.user-role-commercial { background: rgba(249, 115, 22, 0.15); color: #f97316; border: 1px solid rgba(249, 115, 22, 0.3); }
.user-role-technicien { background: rgba(16, 185, 129, 0.15); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.user-role-ouvrier { background: rgba(100, 116, 139, 0.15); color: #64748b; border: 1px solid rgba(100, 116, 139, 0.3); }
.user-role-assembleur { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; border: 1px solid rgba(139, 92, 246, 0.3); }

.project-cloud-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Outfit', sans-serif;
  margin-bottom: 8px;
}

.project-cloud-card:hover {
  border-color: var(--accent-blue);
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

.project-cloud-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-cloud-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-main);
}

.project-cloud-date {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.project-cloud-details {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.project-cloud-actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  border-top: 1px solid var(--border-color);
  padding-top: 8px;
}

/* ==========================================================================
   Thème Sombre Premium (Thème Nuit)
   ========================================================================== */
body.theme-dark {
  --bg-primary: #0f172a;     /* Slate 900 - fond studio */
  --bg-secondary: #1e293b;   /* Slate 800 - barres latérales */
  --bg-tertiary: #0f172a;    /* Slate 900 - entrées de formulaires */
  --bg-card: #334155;        /* Slate 700 - boutons d'éléments */
  
  --border-color: #334155;   /* Slate 700 - séparations */
  --border-active: #3b82f6;  /* Bleu roi professionnel */
  --border-glow: rgba(59, 130, 246, 0.25);
  
  --text-main: #f8fafc;      /* Slate 50 - lisibilité maximale */
  --text-muted: #94a3b8;     /* Slate 400 - secondaire */
  --text-active: #3b82f6;
  
  --accent-blue: #3b82f6;
  --accent-blue-hover: #60a5fa;
  --accent-green: #10b981;
  --accent-green-hover: #34d399;
  --accent-red: #ef4444;
  --accent-red-hover: #f87171;
  --accent-yellow: #f59e0b;
}

/* Assurer que les entrées de texte/sélections s'adaptent bien au thème sombre */
body.theme-dark input,
body.theme-dark select,
body.theme-dark textarea {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--border-color);
}

body.theme-dark .tab-btn.active,
body.theme-dark .tab-btn-right.active {
  background-color: var(--bg-secondary);
}

body.theme-dark .modal-card,
body.theme-dark .login-card {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-main);
}

body.theme-dark .logo-area h1 {
  color: #f8fafc !important;
}

/* ==========================================================================
   Barres Latérales Pliables (Collapsible Sidebars)
   ========================================================================== */
.sidebar {
  position: relative;
  transition: flex-basis 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.sidebar.collapsed,
#sidebar-right.collapsed {
  flex-basis: 0;
  width: 0;
  min-width: 0;
  padding: 0;
  border-left: none;
  border-right: none;
  box-shadow: none;
  overflow: hidden;
  z-index: 5;
}

.sidebar.collapsed > * {
  visibility: hidden;
  pointer-events: none;
  opacity: 0;
}

.sidebar-toggle-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 50px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  font-weight: bold;
  outline: none;
  pointer-events: auto !important;
}

.sidebar.hidden + .sidebar-toggle-btn {
  display: none !important;
}

.sidebar-toggle-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-active);
}

.left-toggle {
  left: 330px;
  border-left: none;
  border-radius: 0 10px 10px 0;
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.left-toggle.collapsed {
  left: 0;
}

.right-toggle {
  right: 350px;
  border-right: none;
  border-radius: 10px 0 0 10px;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.right-toggle.collapsed {
  right: 0;
}

/* ==========================================================================
   Dashboard / Portail d'Accueil
   ========================================================================== */
#dashboard-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
  overflow-y: auto;
  background-color: var(--bg-tertiary);
  padding: 40px;
  box-sizing: border-box;
  transition: background-color 0.3s ease;
}

.dashboard-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.dashboard-header-bar h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.dashboard-module-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
  position: relative;
  overflow: hidden;
}

.dashboard-module-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.module-card-icon {
  font-size: 2.5rem;
  display: block;
}

.module-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.module-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

.module-card-link {
  margin-top: auto;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.dashboard-module-card:hover .module-card-link {
  gap: 8px;
}

.dashboard-feeds-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 10px;
}

@media (max-width: 900px) {
  .dashboard-feeds-layout {
    grid-template-columns: 1fr;
  }
}

.dashboard-feed-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dashboard-feed-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.dashboard-feed-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 350px;
  overflow-y: auto;
}

/* ==========================================================================
   Dashboard Subviews Layout
   ========================================================================== */
#subview-projects-container,
#subview-library-container,
#subview-users-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
  overflow-y: auto;
  background-color: var(--bg-tertiary);
  padding: 40px;
  box-sizing: border-box;
}

.subview-header-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}

.subview-card-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

/* Floating Viewport Toolbar glassmorphism look */
.viewport-toolbar {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08) !important;
}

body.theme-dark .viewport-toolbar {
  background: rgba(30, 41, 59, 0.7) !important;
  border: 1px solid rgba(255, 255, 255, 0.05) !important;
  color: var(--text-main);
}

/* Mode Plan / Technique (Fond blanc uni) */
body.technical-mode:not(.photo-mode-active) #viewport-container {
  background: #ffffff !important;
  background-image: none !important;
}
body.technical-mode .viewport-toolbar {
  background: rgba(255, 255, 255, 0.85) !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}
body.technical-mode .viewport-toolbar .btn-mode {
  color: #0f172a !important;
}
body.technical-mode .viewport-toolbar .btn-mode:hover {
  background-color: rgba(0, 0, 0, 0.05) !important;
}
body.technical-mode .viewport-toolbar .btn-mode.active {
  background-color: var(--accent-blue) !important;
  color: #ffffff !important;
}

/* ==========================================================================
   Styles d'Impression pour Signature Client (PDF)
   ========================================================================== */
@media print {
  /* Cacher les barres d'outils, menus et formulaires */
  #main-header,
  #sidebar-left,
  #sidebar-right,
  .viewport-toolbar,
  .project-actions,
  .logo-area,
  .sidebar-tabs,
  button,
  .form-group,
  input,
  select,
  .tabs-right-container,
  .panel-subtitle,
  h2 {
    display: none !important;
  }

  /* Ajuster le conteneur principal */
  #app-container {
    height: 100vh !important;
    width: 100vw !important;
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  /* Rendre le viewport plein écran sur la feuille */
  #viewport-container {
    width: 100vw !important;
    height: 100vh !important;
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    background-color: #ffffff !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  body {
    background: #ffffff !important;
  }
}

/* ==========================================================================
   Styles pour la Galerie PDF Flottante (V4.40)
   ========================================================================== */
#btn-toggle-gallery:hover {
  background: rgba(30, 41, 59, 0.95) !important;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -5px rgba(0, 0, 0, 0.4) !important;
}

#btn-toggle-gallery:active {
  transform: translateY(0);
}

#btn-gallery-generate-pdf:hover:not(:disabled) {
  background: #2563eb !important;
}

#btn-gallery-clear:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.25) !important;
}

#gallery-thumbnails img:hover {
  border-color: #3b82f6 !important;
  transform: scale(1.02);
}

#gallery-thumbnails::-webkit-scrollbar {
  height: 6px;
}
#gallery-thumbnails::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.1);
  border-radius: 4px;
}
#gallery-thumbnails::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}
#gallery-thumbnails::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.3);
}

/* Cacher le bouton de la galerie à l'impression */
@media print {
  #pdf-gallery-panel-container {
    display: none !important;
  }
}

/* ==========================================================================
   Design System Réactif & Responsive (Mobile, Tablette, Iframe & Desktop)
   ========================================================================== */

/* Écrans Moyens & Laptops (1024px - 1366px) */
@media (max-width: 1366px) {
  #sidebar-left {
    width: 290px;
    min-width: 290px;
    flex-basis: 290px;
  }
  #sidebar-right {
    width: 300px;
    min-width: 300px;
    flex-basis: 300px;
  }
  .left-toggle {
    left: 290px;
  }
  .right-toggle {
    right: 300px;
  }
}

/* Tablettes & Vues Intégrées / Iframes (< 1024px) */
@media (max-width: 1024px) {
  #app-container {
    position: relative;
    overflow: hidden;
  }

  #sidebar-left,
  #sidebar-right {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 120;
    width: 320px !important;
    max-width: 88vw !important;
    min-width: 0 !important;
    flex-basis: auto !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    background-color: var(--bg-secondary);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  }

  #sidebar-left {
    left: 0;
    border-right: 1px solid var(--border-color);
  }

  #sidebar-right {
    right: 0;
    border-left: 1px solid var(--border-color);
  }

  #sidebar-left.collapsed {
    transform: translateX(-100%) !important;
    width: 320px !important;
    flex-basis: auto !important;
    opacity: 0;
    pointer-events: none;
  }

  #sidebar-right.collapsed {
    transform: translateX(100%) !important;
    width: 320px !important;
    flex-basis: auto !important;
    opacity: 0;
    pointer-events: none;
  }

  .left-toggle {
    left: 320px;
    z-index: 130;
    width: 30px;
    height: 60px;
    border-radius: 0 12px 12px 0;
    font-size: 0.85rem;
    box-shadow: 2px 4px 12px rgba(0,0,0,0.15);
  }

  .left-toggle.collapsed {
    left: 0 !important;
  }

  .right-toggle {
    right: 320px;
    z-index: 130;
    width: 30px;
    height: 60px;
    border-radius: 12px 0 0 12px;
    font-size: 0.85rem;
    box-shadow: -2px 4px 12px rgba(0,0,0,0.15);
  }

  .right-toggle.collapsed {
    right: 0 !important;
  }

  .project-actions {
    overflow-x: auto;
    max-width: 100%;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }

  .project-actions .btn {
    padding: 5px 10px;
    font-size: 0.78rem;
    flex-shrink: 0;
  }
}

/* Smart Mobile & Petits Écrans (< 768px) */
@media (max-width: 768px) {
  #main-header {
    height: auto;
    min-height: 52px;
    padding: 6px 12px;
    flex-wrap: wrap;
    gap: 6px;
  }

  .logo-area {
    gap: 6px;
  }

  .logo-area h1 {
    font-size: 0.92rem;
  }

  #btn-go-to-dashboard {
    margin-left: 5px !important;
    padding: 4px 10px !important;
    font-size: 0.75rem !important;
  }

  .project-actions {
    width: 100%;
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    gap: 6px;
    padding: 2px 0;
  }

  .project-actions .btn {
    padding: 4px 8px;
    font-size: 0.75rem;
    flex-shrink: 0;
  }

  .viewport-toolbar {
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 96vw;
    padding: 4px 8px;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 18px;
  }

  .viewport-toolbar .btn-mode {
    padding: 4px 8px;
    font-size: 0.72rem;
  }

  #sidebar-left,
  #sidebar-right {
    width: 90vw !important;
    max-width: 380px !important;
  }

  .modal-content,
  .editor-modal,
  .profile-creator-modal {
    max-width: 96vw !important;
    max-height: 92vh !important;
    padding: 16px !important;
    margin: auto !important;
  }

  .form-group.inline {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .form-group.inline label {
    width: 100% !important;
  }

  .grid-2col,
  .grid-3col {
    grid-template-columns: 1fr !important;
  }
}