/* =========================================================
   Enhanced Mobile Responsive Styles (cleaned & consolidated)
   ========================================================= */

/* --- Mobile-first layout for the designer container --- */
@media (max-width: 1024px) {
  .designer-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    height: auto;
    min-height: 100vh;
  }
  .sidebar {
    order: 1;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
    max-height: none;
    overflow-y: visible;
    padding: 0.75rem;
  }
  .design-area {
    order: 2;
    min-height: 60vh;
    padding: 1rem;
  }
  .right-panel {
    order: 3;
    border-left: none;
    border-top: 1px solid #e2e8f0;
  }
}

/* --- Tablet (481–768px) layout tweaks --- */
@media (max-width: 768px) and (min-width: 481px) {
  .tool-grid { grid-template-columns: repeat(4, 1fr); gap: 0.75rem; }
  .tool-btn { padding: 0.75rem 0.5rem; }
  .tool-icon { font-size: 1.25rem; }
  .tool-btn span { font-size: 0.75rem; }
  .product-preview { padding: 1.5rem; }
  .tshirt-container { width: 400px; height: 500px; }
}

/* =========================================================
   Customization Boundary (centered, responsive)
   ========================================================= */

.customization-boundary {
  position: absolute !important;
  left: 50% !important;
  top: 50% !important;
  transform: translate(-50%, -50%) !important;

  /* responsive size defaults */
  width: 45% !important;
  height: 50% !important;
  max-width: 275px !important;
  max-height: 350px !important;
  min-width: 150px !important;
  min-height: 180px !important;

  border: 2px dashed #3b82f6 !important;
  border-radius: 8px !important;
  background-color: rgba(59, 130, 246, 0.05) !important;
  pointer-events: none !important;
  z-index: 5 !important;
}

/* View-specific tweaks (desktop base) */
.customization-boundary[data-view="front"] { top: 40% !important; }
.customization-boundary[data-view="side"]  {
  width: 22% !important;
  height: 25% !important;
  top: 28% !important;
  left: 55% !important;
}
.customization-boundary[data-view="back"]  { height: 55% !important; top: 36% !important; }

/* Label (the inner <div>) */
.customization-boundary > div {
  position: absolute !important;
  top: -25px !important;
  left: 0 !important;
  font-size: 12px !important;
  color: #3b82f6 !important;
  background-color: #fff !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  border: 1px solid #3b82f6 !important;
  white-space: nowrap !important;
}

/* --- Large tablets (769–1024px) --- */
@media (max-width: 1024px) and (min-width: 769px) {
  .customization-boundary { width: 40% !important; height: 45% !important; }
  .customization-boundary[data-view="side"] { width: 20% !important; height: 22% !important; }
}

/* --- Small tablets / large phones (481–768px) --- */
@media (max-width: 768px) and (min-width: 481px) {
  .customization-boundary { width: 48% !important; height: 52% !important; }
  .customization-boundary[data-view="front"] { top: 42% !important; }
  .customization-boundary[data-view="side"]  { width: 24% !important; height: 26% !important; top: 30% !important; left: 57% !important; }
  .customization-boundary[data-view="back"]  { height: 57% !important; top: 40% !important; }
  .customization-boundary > div { font-size: 11px !important; }
}

/* --- Phones (≤480px) --- */
@media (max-width: 480px) {
  .customization-boundary { width: 50% !important; height: 55% !important; border-width: 1px !important; }
  .customization-boundary[data-view="front"] { top: 50% !important; }
  .customization-boundary[data-view="side"]  { width: 25% !important; height: 28% !important; top: 38% !important; left: 58% !important; }
  .customization-boundary[data-view="back"]  { height: 60% !important; top: 48% !important; }

  /* label centered on small phones */
  .customization-boundary > div {
    top: -20px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    font-size: 10px !important;
    padding: 1px 4px !important;
    z-index: 10 !important;
  }

  /* Sidebar & panels */
  .sidebar { padding: 0.5rem; }
  .sidebar-header { margin-bottom: 1rem; display: flex; justify-content: space-between; align-items: center; }
  .tool-section h3 { font-size: 1rem; margin-bottom: 0.75rem; }
  .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
  .tool-btn { padding: 0.75rem 0.25rem; flex-direction: column; gap: 0.25rem; }
  .tool-icon { font-size: 1.5rem; }
  .tool-btn span { font-size: 0.7rem; text-align: center; }

  .panel { margin-top: 0.75rem; padding: 0.75rem; border-radius: 6px; }
  .panel h4 { font-size: 0.9rem; margin-bottom: 0.75rem; }

  /* Upload */
  .upload-area { padding: 1rem; text-align: center; }
  .upload-icon { font-size: 1.5rem; }
  .upload-area p { font-size: 0.8rem; margin: 0.5rem 0; }
  .upload-btn { padding: 0.5rem 0.75rem; font-size: 0.8rem; }

  /* Colors */
  .color-grid { grid-template-columns: repeat(8, 1fr); gap: 0.25rem; max-height: 200px; }
  .color-option { width: 28px; height: 28px; border-radius: 6px; }

  /* Design area */
  .design-area { padding: 0.5rem; min-height: 50vh; }
  .product-preview { padding: 1rem; border-radius: 10px; width: 100%; max-width: 100%; overflow: hidden; }
  .tshirt-container { width: 100%; max-width: 350px; height: 400px; margin: 0 auto; }

  /* Right panel & tabs */
  .right-panel { padding: 0.75rem; }
  .view-tabs { gap: 0.25rem; margin-bottom: 1rem; }
  .view-tab { padding: 0.5rem 0.25rem; font-size: 0.75rem; flex-direction: column; gap: 0.25rem; }
  .view-tab .view-thumb { width: 25px; height: 25px; margin-bottom: 0.25rem; }

  /* Product info & actions */
  .product-info { margin-bottom: 1rem; }
  .product-info h3 { font-size: 1rem; }
  .product-info p { font-size: 0.8rem; }
  .action-buttons { gap: 0.75rem; }
  .save-btn, .price-btn { padding: 0.75rem; font-size: 0.9rem; border-radius: 6px; }

  /* Product selection grid */
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin-top: 1rem; }
  .product-card { padding: 1rem; border-radius: 10px; }
  .product-card img { height: 120px; margin-bottom: 0.75rem; }
  .product-card h3 { font-size: 1.1rem; margin-bottom: 0.25rem; }
  .product-card p { font-size: 1rem; }

  /* Draggables */
  .draggable { min-width: 40px; min-height: 20px; padding: 2px; border-width: 1px; }
  .draggable:hover, .draggable.selected { border-width: 2px; }
  .draggable img { max-width: 80px; max-height: 80px; }
  .draggable.text-element { font-size: 14px !important; }
}

/* --- Very small phones (≤360px) --- */
@media (max-width: 360px) {
  .customization-boundary { width: 52% !important; height: 58% !important; }
  .customization-boundary[data-view="front"] { height: 40% !important; top: 52% !important; }
  .customization-boundary[data-view="side"]  { width: 28% !important; height: 32% !important; top: 40% !important; left: 60% !important; }
  .customization-boundary[data-view="back"]  { height: 62% !important; top: 50% !important; }
  .customization-boundary > div { font-size: 9px !important; top: -18px !important; padding: 1px 4px !important; }

  .container { padding: 1rem; }
  .sidebar { padding: 0.5rem; }
  .tool-grid { gap: 0.25rem; }
  .tool-btn { padding: 0.5rem 0.125rem; }
  .tool-icon { font-size: 1.25rem; }
  .tool-btn span { font-size: 0.65rem; }
  .tshirt-container { max-width: 280px; height: 320px; }
  .product-grid { grid-template-columns: 1fr; gap: 0.5rem; }
  .color-grid { grid-template-columns: repeat(6, 1fr); }
  .color-option { width: 24px; height: 24px; }
  .view-tab .view-thumb { width: 20px; height: 20px; }
  .draggable img { max-width: 60px; max-height: 60px; }
}

/* --- Landscape phones --- */
@media (max-width: 768px) and (orientation: landscape) {
  .designer-container {
    grid-template-columns: 250px 1fr 200px;
    grid-template-rows: 1fr;
    height: 100vh;
  }
  .sidebar {
    order: 1;
    border-right: 1px solid #e2e8f0;
    border-bottom: none;
    overflow-y: auto;
    max-height: 100vh;
  }
  .design-area { order: 2; min-height: auto; }
  .right-panel {
    order: 3;
    border-left: 1px solid #e2e8f0;
    border-top: none;
    overflow-y: auto;
    max-height: 100vh;
  }
  .tshirt-container { width: 300px; height: 350px; }

  /* boundary proportions in landscape */
  .customization-boundary { width: 45% !important; height: 50% !important; }
  .customization-boundary[data-view="side"] { width: 22% !important; height: 25% !important; }
  .customization-boundary[data-view="back"] { height: 55% !important; }
}

/* =========================================================
   Touch / HiDPI / Accessibility / Utilities
   ========================================================= */

/* Touch-specific improvements */
@media (pointer: coarse) {
  .tool-btn { min-height: 44px; min-width: 44px; }
  .color-option { min-width: 32px; min-height: 32px; }
  .view-tab { min-height: 44px; }
  .save-btn, .price-btn, .back-btn { min-height: 44px; padding: 0.75rem 1rem; }
  .upload-btn { min-height: 44px; padding: 0.75rem 1rem; }
  .draggable { min-width: 44px; min-height: 44px; touch-action: manipulation; }
  .tshirt-canvas { touch-action: pan-x pan-y; }
}

/* High DPI tweaks */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .product-card img, .view-thumb {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
  .customization-boundary { border-width: 1px !important; }
}

/* Mobile a11y / focus / visibility */
@media (max-width: 768px) {
  .draggable.selected { border-color: #ef4444; border-width: 3px; box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.5); }
  .draggable:hover { border-color: #3b82f6; border-width: 2px; }

  .tool-btn:focus,
  .view-tab:focus,
  .color-option:focus { outline: 2px solid #3b82f6; outline-offset: 2px; }

  .draggable.text-element { /* ensure readability */ font-size: clamp(12px, 2.8vw, 16px); }
}

/* Loading flag used on mobile */
.mobile-loading { display: none; }
@media (max-width: 768px) {
  .mobile-loading {
    display: block;
    text-align: center;
    padding: 1rem;
    color: #6b7280;
    font-size: 0.9rem;
  }
}

/* Mobile utilities */
@media (max-width: 768px) {
  .mobile-hidden { display: none !important; }
  .mobile-only { display: block !important; }
  .mobile-full-width { width: 100% !important; }
  .mobile-center { text-align: center !important; }

  /* prevent horizontal scroll */
  body, .page, .designer-container { overflow-x: hidden; }

  /* keyboard/viewport adjustments */
  .designer-container { min-height: 100vh; min-height: -webkit-fill-available; }
  .design-area { min-height: 40vh; }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .draggable, .tool-btn, .product-card, .customization-boundary { transition: none !important; animation: none !important; }
}

/* Optional: subtle pulse to highlight the print area on mobile */
@media (max-width: 768px) {
  .customization-boundary { border-style: dashed !important; animation: borderPulse 2s ease-in-out infinite; }
  @keyframes borderPulse { 0%, 100% { opacity: .7; } 50% { opacity: 1; } }
}

/* =========================================================
   Canvas & Layering (kept tidy)
   ========================================================= */

.tshirt-canvas {
  position: relative !important;
  width: 100% !important;
  height: 100% !important;
  contain: layout paint size;
  overflow: hidden;
}

.tshirt-view-image {
  position: absolute !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  pointer-events: none !important;
  z-index: 1 !important;
  opacity: 0.8 !important;
}

.tshirt-color-layer {
  position: absolute !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: 2 !important;
  pointer-events: none !important;
  mix-blend-mode: multiply !important;
  mask-repeat: no-repeat !important;
  mask-position: center !important;
  mask-size: contain !important;
  -webkit-mask-repeat: no-repeat !important;
  -webkit-mask-position: center !important;
  -webkit-mask-size: contain !important;
}