/* ================================================ */
/* MOBILE RESPONSIVE STYLES FOR INFRAVISION AI     */
/* ================================================ */

/* Mobile Breakpoints:
   - Small (< 480px): Phones
   - Medium (480-768px): Tablets (portrait)
   - Large (768-1024px): Tablets (landscape)
   - XL (> 1024px): Desktop
*/

/* ================================================ */
/* SMALL DEVICES (< 480px) - PHONES                */
/* ================================================ */

@media (max-width: 479px) {
  /* Base Adjustments */
  html {
    font-size: 14px;
  }

  body {
    overflow-x: hidden;
  }

  /* App Container */
  .app-container {
    padding: 0;
  }

  /* Hero Section */
  .hero-section {
    min-height: auto;
    padding: 1rem 0;
    background-size: 20px 20px, 20px 20px, 15px 15px, 15px 15px;
    display: flex;
    align-items: stretch;
    justify-content: center;
  }

  .hero-overlay {
    display: none;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1rem;
    max-width: 100%;
    width: 100%;
    overflow: hidden;
  }

  .hero-title {
    font-size: 2rem;
    gap: 0.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.4;
  }

  .hero-features {
    gap: 1rem;
  }

  .hero-feature {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    overflow: visible;
  }

  .hero-feature h3 {
    font-size: 1rem;
    margin: 0 0 0.25rem 0;
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.2;
  }

  .hero-feature p {
    font-size: 0.85rem;
    margin: 0;
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.3;
  }

  .feature-icon {
    min-width: 32px;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }
  
  .feature-icon svg {
    width: 32px;
    height: 32px;
  }

  .hero-visual {
    display: none;
  }

  /* Status Bar */
  .status-bar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem;
    width: 100%;
    overflow: visible;
  }

  .status-item {
    font-size: 0.75rem;
    padding: 0.75rem;
    word-wrap: break-word;
    word-break: break-word;
    white-space: normal;
    overflow: visible;
  }

  /* Content Area */
  .content-area {
    padding: 1rem;
  }

  .content-area h1,
  .content-area h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .content-area h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
  }

  /* Tab Navigation */
  .tab-navigation {
    padding: 0.5rem;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab-button {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Metric Cards */
  .metric-card {
    padding: 1rem;
    gap: 0.75rem;
  }

  .metric-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
  }

  .metric-icon svg {
    width: 18px;
    height: 18px;
  }

  .metric-content {
    gap: 0.25rem;
  }

  .metric-title {
    font-size: 0.8rem;
  }

  .metric-value {
    font-size: 0.95rem;
  }

  .metric-subtitle {
    font-size: 0.75rem;
  }

  /* Metric Grid */
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* Buttons */
  .btn,
  .btn-primary,
  .btn-secondary {
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    width: 100%;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group > button {
    width: 100%;
  }

  /* Forms */
  .form-group {
    margin-bottom: 1rem;
  }

  label {
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
  }

  input,
  select,
  textarea {
    padding: 0.65rem;
    font-size: 0.9rem;
  }

  /* Image Preview */
  .image-preview,
  .preview-container {
    max-width: 100%;
    height: auto;
    max-height: 300px;
  }

  /* Upload Area */
  .upload-area {
    padding: 1.5rem 1rem;
    gap: 1rem;
  }

  .upload-icon {
    font-size: 36px;
  }

  .upload-text-main {
    font-size: 0.95rem;
  }

  .upload-text-sub {
    font-size: 0.75rem;
  }

  /* Alert Messages */
  .alert {
    padding: 0.75rem;
    font-size: 0.85rem;
  }

  /* Badge */
  .badge {
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
  }

  /* Image Grid */
  .image-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .image-card {
    max-height: 300px;
  }

  /* Settings Panel */
  .settings-panel {
    padding: 1rem;
  }

  .setting-item {
    margin-bottom: 1rem;
  }

  /* 3D Canvas */
  .canvas-container {
    height: 300px;
    border-radius: 8px;
    margin: 1rem 0;
  }

  /* Model Info */
  .model-info-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-top: 1rem;
  }

  /* Dropdowns and Menus */
  .dropdown-menu {
    position: fixed;
    left: 0;
    right: 0;
    max-height: 50vh;
    border-radius: 12px 12px 0 0;
  }

  /* Modals */
  .modal {
    padding: 1rem;
    max-width: 95vw;
  }

  .modal-header {
    font-size: 1.25rem;
  }

  .modal-body {
    font-size: 0.9rem;
  }

  /* Charts and Data Viz */
  .chart-container {
    height: 250px;
  }

  svg {
    max-width: 100%;
    height: auto;
  }

  /* Loader */
  .loader {
    width: 30px;
    height: 30px;
  }

  /* Animations - Reduce on mobile for performance */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
}

/* ================================================ */
/* MEDIUM DEVICES (480px - 768px) - TABLETS        */
/* ================================================ */

@media (min-width: 480px) and (max-width: 767px) {
  /* Base Adjustments */
  html {
    font-size: 15px;
  }

  /* App Container */
  .app-container {
    padding: 0;
  }

  /* Hero Section */
  .hero-section {
    min-height: auto;
    padding: 2rem 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.5rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
  }

  .hero-visual {
    display: none;
  }

  .floating-elements {
    display: none;
  }

  /* Content Area */
  .content-area {
    padding: 1.5rem;
  }

  .content-area h1,
  .content-area h2 {
    font-size: 1.75rem;
  }

  .content-area h3 {
    font-size: 1.2rem;
  }

  /* Tab Navigation */
  .tab-navigation {
    padding: 0.75rem;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab-button {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    white-space: nowrap;
  }

  /* Metric Cards */
  .metric-card {
    padding: 1.25rem;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  /* Forms */
  input,
  select,
  textarea {
    font-size: 1rem;
    padding: 0.75rem;
  }

  /* Image Preview */
  .image-preview,
  .preview-container {
    max-height: 400px;
  }

  /* Image Grid */
  .image-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  /* 3D Canvas */
  .canvas-container {
    height: 400px;
  }

  /* Model Info */
  .model-info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  /* Buttons */
  .btn,
  .btn-primary,
  .btn-secondary {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }
}

/* ================================================ */
/* LARGE DEVICES (768px - 1024px) - LANDSCAPE TAB  */
/* ================================================ */

@media (min-width: 768px) and (max-width: 1023px) {
  /* Hero Content */
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .floating-elements {
    height: 300px;
  }

  /* Content Area */
  .content-area {
    padding: 2rem;
  }

  /* Metric Cards - 3 columns on tablet landscape */
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  /* Image Grid */
  .image-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  /* 3D Canvas */
  .canvas-container {
    height: 500px;
  }

  .model-info-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  /* Buttons */
  .btn,
  .btn-primary,
  .btn-secondary {
    padding: 0.75rem 2rem;
    font-size: 0.95rem;
  }
}

/* ================================================ */
/* XL DEVICES (1024px+) - DESKTOP                  */
/* ================================================ */

@media (min-width: 1024px) {
  /* Desktop styles - mostly keep defaults */
  
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .hero-title {
    font-size: 4.5rem;
  }

  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }

  .image-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .canvas-container {
    height: 700px;
  }

  .model-info-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

/* ================================================ */
/* TOUCH DEVICE OPTIMIZATIONS                      */
/* ================================================ */

@media (hover: none) and (pointer: coarse) {
  /* Increase touch target sizes */
  button,
  .btn,
  .tab-button,
  input[type="button"],
  input[type="submit"] {
    min-height: 44px;
    min-width: 44px;
  }

  /* Reduce hover effects on touch devices */
  .metric-card:hover,
  .hero-feature:hover,
  .floating-card:hover {
    transform: none;
  }

  /* Better spacing for touch */
  .tab-navigation {
    gap: 0.75rem;
  }

  /* Optimize scrolling */
  .content-area {
    -webkit-touch-callout: none;
  }
}

/* ================================================ */
/* LANDSCAPE MODE OPTIMIZATIONS                    */
/* ================================================ */

@media (orientation: landscape) and (max-height: 600px) {
  .hero-section {
    min-height: auto;
    padding: 1rem 0;
  }

  .hero-content {
    gap: 1rem;
    padding: 1rem;
  }

  .hero-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
  }

  .hero-features {
    display: none;
  }

  .floating-elements {
    display: none;
  }

  .content-area {
    padding: 1rem;
  }

  .canvas-container {
    height: 300px;
  }

  .metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
  }
}

/* ================================================ */
/* MODERN VIEWPORT OPTIMIZATION                    */
/* ================================================ */

@supports (viewport-fit: cover) {
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* ================================================ */
/* KEYBOARD SAFE AREAS (Mobile Keyboards)          */
/* ================================================ */

@media (max-height: 500px) and (orientation: landscape) {
  input,
  textarea,
  select {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

/* ================================================ */
/* 9-IMAGE UNIFIED GRID RESPONSIVE STYLES          */
/* ================================================ */

/* Mobile Phones (< 480px) - Single Column */
@media (max-width: 479px) {
  .image-grid-unified {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .image-card img {
    height: 200px !important;
  }
}

/* Tablets Portrait (480-768px) - 2 Columns */
@media (min-width: 480px) and (max-width: 767px) {
  .image-grid-unified {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1.25rem !important;
  }

  .image-card img {
    height: 250px !important;
  }
}

/* Tablets Landscape (768-1024px) - 3 Columns */
@media (min-width: 768px) and (max-width: 1023px) {
  .image-grid-unified {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.5rem !important;
  }

  .image-card img {
    height: 280px !important;
  }
}

/* Desktop (> 1024px) - 3 Columns */
@media (min-width: 1024px) {
  .image-grid-unified {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.5rem !important;
  }

  .image-card img {
    height: 300px !important;
  }
}

/* Image Card Responsive Adjustments */
.image-card-title {
  font-size: 0.95rem;
  word-wrap: break-word;
  word-break: break-word;
  line-height: 1.3;
}

@media (max-width: 479px) {
  .image-card {
    padding: 0.75rem !important;
  }

  .image-card-title {
    font-size: 0.85rem;
    margin-bottom: 0.75rem !important;
  }

  .image-card img {
    border-radius: var(--border-radius) !important;
  }
}

/* ================================================ */
/* PRINT STYLES                                    */
/* ================================================ */

@media print {
  .tab-navigation,
  .floating-elements,
  .hero-visual {
    display: none;
  }

  .content-area {
    padding: 0;
    box-shadow: none;
  }

  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }
}