/*
 * Blueprint3D Modern UI
 * A clean, professional real-estate floor planner theme
 */

/* ============================================
   CSS VARIABLES - Design Tokens
   ============================================ */
@import url("https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800;900&family=Vidaloka&display=swap");

:root {
  /* Font Family (match 360Ghar site) */
  --heading-font: "Vidaloka", serif;
  --body-font: "Jost", sans-serif;
  --poppins-font: "Poppins", sans-serif;

  /* Primary Colors (match 360Ghar main) */
  --primary: #ff6b00;
  --primary-hover: #cc5500;
  --primary-light: rgba(255, 107, 0, 0.12);
  --main-gradient: linear-gradient(90deg, #ff6b00 0.04%, #f56a00 28.67%, #e86200 54.05%, #cc5500 78.11%, #cc5500 100.04%);
  --main-gradient-rev: linear-gradient(270deg, #ff6b00 0.04%, #f56a00 28.67%, #e86200 54.05%, #cc5500 78.11%, #cc5500 100.04%);

  /* Neutral Colors */
  --surface: #ffffff;
  --background: #f8f8f8;
  --border: #e0e0e0;
  --border-light: #f8f8f8;

  /* Text Colors */
  --text-primary: #181616;
  --text-secondary: #777777;
  --text-muted: rgba(119, 119, 119, 0.6);

  /* Semantic Colors */
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;

  /* WhatsApp Green */
  --whatsapp: #25d366;
  --whatsapp-hover: #128c7e;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
  box-sizing: border-box;
}

html {
  overflow: hidden;
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 100%;
  font-family: var(--body-font), -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

div {
  margin: 0;
  padding: 0;
}

/* ============================================
   LAYOUT - Main Grid
   ============================================ */
.container-fluid {
  padding: 0 !important;
}

.main-row {
  padding: 0;
  display: flex;
  height: 100vh;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  width: 280px;
  min-width: 280px;
  padding: var(--space-5);
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--surface);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow);
  z-index: 10;
}

/* Custom Scrollbar */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

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

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ============================================
   NAVIGATION TABS
   ============================================ */
.nav-sidebar {
  margin: 0 0 var(--space-5) 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.nav-sidebar>li {
  margin: 0;
}

.nav-sidebar>li>a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.nav-sidebar>li>a:hover {
  background-color: var(--background);
  color: var(--text-primary);
}

.nav-sidebar>.active>a,
.nav-sidebar>.active>a:hover,
.nav-sidebar>.active>a:focus {
  background: var(--main-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--shadow);
}

.nav-sidebar>li>a .glyphicon {
  font-size: 12px;
  opacity: 0.7;
}

/* ============================================
   CONTEXT MENU (Item Controls)
   ============================================ */
#context-menu {
  display: none;
  padding: var(--space-4);
  background: var(--background);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}

#context-menu-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

#context-menu-delete {
  margin-top: var(--space-3);
}

/* Panel Styling */
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: none;
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.panel-default {
  border-color: var(--border);
}

.panel-heading {
  background: var(--background) !important;
  border-bottom: 1px solid var(--border);
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.panel-body {
  padding: var(--space-4);
  background: var(--surface);
}

/* Form Controls */
.form-control {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: 14px;
  transition: all var(--transition);
  background: var(--surface);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  outline: none;
}

.control-label {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Checkbox styling */
#context-menu label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
}

#context-menu input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

/* ============================================
   TEXTURE PANELS
   ============================================ */
#floorTexturesDiv,
#wallTextures {
  padding: 0 !important;
  margin-top: var(--space-4);
}

.texture-select-thumbnail {
  display: block;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  padding: 0 !important;
  margin: 0 !important;
}

.texture-select-thumbnail:hover {
  border-color: var(--primary);
  transform: scale(1.02);
}

.texture-select-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.main {
  flex: 1;
  padding: 0;
  position: relative;
  overflow: hidden;
  background: var(--background);
}

/* ============================================
   3D VIEWER
   ============================================ */
#viewer {
  display: none;
  position: relative;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #e2e8f0 0%, #cbd5e1 100%);
}

/* ============================================
   MAIN CONTROLS (Top Left)
   ============================================ */
#main-controls {
  position: absolute;
  top: var(--space-5);
  left: var(--space-5);
  display: flex;
  gap: var(--space-2);
  background: var(--surface);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

#main-controls .btn {
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

#main-controls .btn:hover {
  background: var(--background);
  border-color: var(--primary);
  color: var(--primary);
}

/* ============================================
   CAMERA CONTROLS (Bottom Right)
   ============================================ */
#camera-controls {
  position: absolute;
  bottom: var(--space-5);
  right: var(--space-5);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  background: var(--surface);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

#camera-controls .btn {
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  transition: all var(--transition);
}

#camera-controls .btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  transform: scale(1.05);
}

#camera-controls .btn-group-vertical {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#camera-controls .btn-group-vertical .btn {
  border-radius: var(--radius-sm);
}

/* Separator in camera controls */
#camera-controls>span:not(.btn-group-vertical) {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 var(--space-2);
}

/* ============================================
   LOADING MODAL
   ============================================ */
#loading-modal {
  position: absolute;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
}

#loading-modal h1 {
  color: #ffffff;
  font-size: 24px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

#loading-modal h1::before {
  content: '';
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================
   FLOORPLANNER (2D Editor)
   ============================================ */
#floorplanner {
  display: none;
  position: relative;
  width: 100%;
  height: 100%;
  background: #ffffff;
}

#floorplanner-canvas {
  display: block;
}

/* ============================================
   FLOORPLANNER CONTROLS
   ============================================ */
#floorplanner-controls {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 100%);
  z-index: 100;
}

#floorplanner-controls .btn {
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
}

#floorplanner-controls .btn:hover {
  background: var(--background);
  color: var(--text-primary);
}

#floorplanner-controls .btn.btn-primary,
#floorplanner-controls .btn.btn-primary.disabled {
  background: var(--main-gradient);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow);
}

#floorplanner-controls .btn.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

#floorplanner-controls .pull-right {
  margin-left: auto;
}

#update-floorplan {
  padding: var(--space-2) var(--space-6) !important;
  font-weight: 600 !important;
}

/* Draw Walls Hint */
#draw-walls-hint {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  background: var(--text-primary);
  color: #ffffff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  z-index: 100;
  display: none;
  box-shadow: var(--shadow-lg);
}

/* ============================================
   ADD ITEMS (Furniture Panel)
   ============================================ */
#add-items {
  display: none;
  padding: var(--space-5);
  overflow-y: auto;
  background: var(--background);
}

#add-items::-webkit-scrollbar {
  width: 8px;
}

#add-items::-webkit-scrollbar-track {
  background: transparent;
}

#add-items::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

#items-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-4);
  margin: 0;
}

#items-wrapper>div {
  width: auto !important;
  padding: 0 !important;
  float: none !important;
}

/* Furniture Item Card */
.furniture-item-wrapper {
  width: 100%;
}

.add-item {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none !important;
  color: var(--text-primary) !important;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.add-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.item-image-container {
  width: 100%;
  height: 120px;
  overflow: hidden;
  background: var(--background);
}

.item-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.add-item:hover .item-image-container img {
  transform: scale(1.05);
}

.item-name {
  padding: var(--space-3);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  color: var(--text-primary);
  border-top: 1px solid var(--border-light);
}

/* Legacy thumbnail styling (override Bootstrap) */
.thumbnail {
  margin: 0;
  padding: 0;
  border: none !important;
  background: none !important;
}

/* ============================================
   BUTTONS - Global Styles
   ============================================ */
.btn {
  font-family: var(--body-font), sans-serif;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-light);
}

.btn-default {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-primary);
}

.btn-default:hover {
  background: var(--background);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-primary {
  background: var(--main-gradient);
  border-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--main-gradient-rev);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
  border-color: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, var(--danger) 100%);
}

/* Success Button */
.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  border-color: var(--success);
  color: #ffffff;
}

/* WhatsApp Button */
.btn-whatsapp {
  background: linear-gradient(135deg, var(--whatsapp) 0%, var(--whatsapp-hover) 100%);
  border-color: var(--whatsapp);
  color: #ffffff;
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, var(--whatsapp-hover) 0%, var(--whatsapp) 100%);
  color: #ffffff;
}

/* ============================================
   FILE INPUT BUTTON
   ============================================ */
.btn-file {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-file input[type=file] {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 100%;
  min-height: 100%;
  opacity: 0;
  cursor: inherit;
}

/* ============================================
   HORIZONTAL RULE
   ============================================ */
hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: var(--space-4) 0;
}

/* ============================================
   EXTRA CONTROLS (Download, Share)
   ============================================ */
#extra-controls {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  display: flex;
  gap: var(--space-2);
  z-index: 100;
}

#extra-controls .btn {
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow);
}

/* ============================================
   VIEW MODE TOGGLE
   ============================================ */
#view-toggle {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  background: var(--surface);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

#view-toggle .btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
}

#view-toggle .btn.active {
  background: var(--primary);
  color: #ffffff;
}

/* ============================================
   TOOLTIPS
   ============================================ */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--space-2) var(--space-3);
  background: var(--text-primary);
  color: #ffffff;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
  z-index: 1000;
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    width: 240px;
    min-width: 240px;
    padding: var(--space-4);
  }

  #items-wrapper {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  #main-controls,
  #camera-controls,
  #extra-controls {
    padding: var(--space-1);
  }

  #main-controls .btn,
  #camera-controls .btn,
  #extra-controls .btn {
    padding: var(--space-2);
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
  display: none !important;
}

.text-muted {
  color: var(--text-muted) !important;
  font-size: 12px;
}

.lead {
  font-size: 16px;
  font-weight: 600;
}