@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;700&display=swap');

:root {
  --bg-primary: #121214;
  --bg-secondary: #1a1a1e;
  --card-bg: #222227;
  --card-border: #2e2e35;
  --card-border-focus: #4b5563;
  --text-primary: #f3f4f6;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  --accent-primary: #3b82f6; /* Clean, professional royal blue */
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --success: #10b981;
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --sidebar-width: 380px;
  --header-height: 60px;
}

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

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

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background-color: #3f3f46;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background-color: #52525b;
}

/* Header */
header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.logo-svg {
  display: block;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-left: 1px solid var(--card-border);
  padding-left: 0.75rem;
  margin-left: 0.75rem;
  font-weight: 400;
  font-family: var(--font-body);
  letter-spacing: 0;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 0.15rem;
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  padding: 3px;
  border-radius: 6px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  letter-spacing: 0.03em;
}

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

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}


.header-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.15s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.header-links a:hover {
  color: var(--text-primary);
}

/* App Containers */
.app-container {
  display: flex;
  flex: 1;
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  position: relative;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  height: 100%;
  z-index: 5;
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  padding-bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Viewport Canvas */
.viewport-container {
  flex: 1;
  position: relative;
  height: 100%;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
}

#canvas-container {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
}

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

/* Panel Design (Figma-like solid panels) */
.panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1rem;
}

.panel-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: 0.4rem;
}

/* File Upload drag area */
.upload-zone {
  border: 1.5px dashed var(--card-border);
  border-radius: 6px;
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.01);
  transition: all 0.15s ease;
}

.upload-zone:hover {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.02);
}

.upload-zone.dragover {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

.upload-icon-svg {
  margin: 0 auto 0.5rem auto;
  color: var(--text-secondary);
}

.upload-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.upload-text strong {
  color: var(--text-primary);
}

.upload-subtext {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.preview-thumbnail-container {
  display: none;
  margin-top: 0.75rem;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  aspect-ratio: 1;
}

.preview-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.remove-image-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(18, 18, 20, 0.8);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  transition: all 0.15s ease;
  z-index: 10;
}

.remove-image-btn:hover {
  background: var(--danger);
  border-color: var(--danger);
}

/* Inputs & Form styling */
.control-group {
  margin-bottom: 0.75rem;
}

.control-group:last-child {
  margin-bottom: 0;
}

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* Custom styled inputs & Fixed dropdown select */
select, input[type="number"], input[type="text"] {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s ease;
}

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

/* Fixed select dropdown menu options readability */
select {
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 0.85em;
  padding-right: 2.25rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

/* Explicit styling to fix white background reading issue */
select option {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  padding: 0.5rem;
}

/* Checkbox Color Palette Grid */
.color-palette-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.palette-actions {
  display: flex;
  gap: 0.4rem;
}

.text-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.15s ease;
}

.text-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
  gap: 0.4rem;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 2px;
}

.color-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 4px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.1s ease;
  border: 1px solid rgba(255,255,255,0.05);
}

.color-item:hover {
  transform: scale(1.08);
}

.color-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.color-item .checkmark {
  font-size: 0.7rem;
  font-weight: bold;
  opacity: 0;
  pointer-events: none;
}

.color-item input:checked ~ .checkmark {
  opacity: 1;
}

.color-item.checked {
  outline: 1.5px solid var(--text-primary);
  outline-offset: 1px;
}

.delete-color-btn {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--danger);
  border: none;
  color: white;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  font-size: 8px;
  font-weight: bold;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  transition: background 0.1s ease;
}

.delete-color-btn:hover {
  background: #dc2626;
}

.color-item:hover .delete-color-btn {
  display: flex;
}

/* Custom Color Picker input area */
.add-color-container {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.75rem;
  border-top: 1px solid var(--card-border);
  padding-top: 0.6rem;
}

.add-color-picker {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 32px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.add-color-picker::-webkit-color-swatch {
  border-radius: 4px;
  border: 1px solid var(--card-border);
}

.add-color-picker::-moz-color-swatch {
  border-radius: 4px;
  border: 1px solid var(--card-border);
}

.add-color-btn {
  background: var(--accent-primary);
  border: none;
  color: white;
  padding: 0 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}

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

/* Sliders */
.range-container {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 0.6rem;
}

.range-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: #3f3f46;
  border-radius: 2px;
  outline: none;
  margin: 8px 0;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  cursor: pointer;
  transition: transform 0.1s;
  border: 1.5px solid var(--bg-primary);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--accent-primary);
}

/* Material List Card */
.material-panel {
  max-height: 280px;
  display: flex;
  flex-direction: column;
}

.material-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-right: 2px;
}

.material-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255,255,255,0.01);
  border-radius: 4px;
  font-size: 0.8rem;
  transition: opacity 0.2s ease;
}

.material-item.dimmed {
  opacity: 0.35;
}

/* Switch toggle container */
.switch {
  position: relative;
  display: inline-block;
  width: 24px;
  height: 14px;
  flex-shrink: 0;
}

/* Hide default HTML checkbox */
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

/* The slider */
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #3f3f46;
  transition: .2s;
  border-radius: 14px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 10px;
  width: 10px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-primary);
}

input:checked + .slider:before {
  transform: translateX(10px);
}

.material-color-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.material-info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.material-name {
  font-weight: 500;
  color: var(--text-primary);
}

.material-count-badge {
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
  font-family: monospace;
  font-size: 0.75rem;
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(18, 18, 20, 0.8);
  z-index: 15;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.loading-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255,255,255,0.1);
  border-left-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Viewport Actions (2D / 3D Toggle) */
.view-toggle {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  display: flex;
  padding: 3px;
  z-index: 4;
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.toggle-btn.active {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

/* Floating Action buttons */
.viewport-actions {
  position: absolute;
  bottom: 1.25rem;
  right: 1.5rem;
  display: flex;
  gap: 0.5rem;
  z-index: 4;
}

.floating-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: 6px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.15s ease;
}

.floating-btn:hover {
  background: var(--card-bg);
  color: var(--text-primary);
  border-color: var(--card-border-focus);
}

.viewport-hints {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  padding: 0.4rem 0.75rem;
  border-radius: 20px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  z-index: 4;
}

/* Mobile Toggler */
.sidebar-toggle-btn {
  display: none;
}

/* Responsive Grid Adjustments */
@media (max-width: 991px) {
  .app-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-top: 1px solid var(--card-border);
    max-height: 45%;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .sidebar.open {
    transform: translateY(0);
  }

  .viewport-container {
    height: 100%;
  }

  .sidebar-toggle-btn {
    display: grid;
    place-items: center;
    position: absolute;
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
    left: 1.5rem;
    background: var(--accent-primary);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 8;
    border: none;
    transition: transform 0.1s ease;
  }

  .sidebar-toggle-btn:active {
    transform: scale(0.92);
  }

  .viewport-actions {
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  }
}

/* WYSIWYG Crop Editor and Modal styles */
.preview-thumbnail-container {
  position: relative;
}

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(18, 18, 20, 0.65);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease;
  z-index: 1;
}

.preview-thumbnail-container:hover .preview-overlay {
  opacity: 1;
}

.edit-image-btn {
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  transition: background 0.15s ease, transform 0.15s ease;
}

.edit-image-btn:hover {
  background: var(--accent-hover);
  transform: scale(1.05);
}

.edit-image-btn:active {
  transform: scale(0.95);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 13, 22, 0.75);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  width: 440px;
  max-width: 90vw;
  max-height: 90vh;
  max-height: 90dvh;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalEnter 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 0;
}

.close-modal-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  transition: color 0.15s ease;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}

.close-modal-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  overflow-y: auto;
  flex: 1;
}

.editor-canvas-container {
  background: #090d16;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 4px 12px rgba(0,0,0,0.4);
}

#editor-canvas {
  cursor: move;
  display: block;
}

.editor-hint {
  font-size: 0.72rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.02);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.03);
}

.modal-controls {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modal-actions-row {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.modal-secondary-btn {
  flex: 1;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.modal-secondary-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  border-color: var(--card-border-focus);
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: flex-end;
}

.modal-primary-btn {
  background: var(--accent-primary);
  border: none;
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.modal-primary-btn:hover {
  background: var(--accent-hover);
}

/* Hide print area by default in normal screen view */
#print-area {
  display: none;
}

/* Print Layout */
@media print {
  /* Completely hide all screen elements to ensure they don't occupy layout space */
  body > *:not(#print-area) {
    display: none !important;
  }
  
  #print-area {
    display: block !important;
    position: relative !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: auto !important;
  }
  
  #print-area, #print-area * {
    visibility: visible !important;
  }

  .print-page {
    page-break-after: always;
    color: #111111;
    background: #ffffff;
    padding: 1cm;
    box-sizing: border-box;
  }
  
  .print-page:last-child {
    page-break-after: avoid;
  }
}