<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Prompt:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">

<style>
  /* Feather Icon Mapping via FontAwesome */
  .feather {
    font-family: 'Font Awesome 5 Free' !important;
    font-weight: 900 !important;
    font-style: normal;
    display: inline-block;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
  }
  .feather.icon-award::before { content: "\f559"; }
  .feather.icon-home::before { content: "\f015"; }
  .feather.icon-edit-3::before, .feather.icon-edit::before, .feather.icon-edit-2::before { content: "\f044"; }
  .feather.icon-pie-chart::before { content: "\f201"; }
  .feather.icon-users::before { content: "\f0c0"; }
  .feather.icon-map::before { content: "\f5a0"; }
  .feather.icon-menu::before { content: "\f0c9"; }
  .feather.icon-star::before { content: "\f005"; }
  .feather.icon-check-circle::before, .feather.icon-check::before { content: "\f058"; }
  .feather.icon-trending-up::before { content: "\f201"; }
  .feather.icon-search::before { content: "\f002"; }
  .feather.icon-book-open::before { content: "\f518"; }
  .feather.icon-list::before { content: "\f03a"; }
  .feather.icon-save::before { content: "\f0c7"; }
  .feather.icon-minus-circle::before, .feather.icon-minus::before { content: "\f056"; }
  .feather.icon-clipboard::before { content: "\f328"; }
  .feather.icon-trash-2::before { content: "\f2ed"; }
  .feather.icon-grid::before { content: "\f00a"; }
  .feather.icon-layers::before { content: "\f5fd"; }
  .feather.icon-info::before { content: "\f05a"; }
  .feather.icon-git-merge::before { content: "\f126"; }
  .feather.icon-plus::before { content: "\f067"; }
  .feather.icon-plus-circle::before { content: "\f055"; }
  .feather.icon-settings::before { content: "\f013"; }
  .feather.icon-file-text::before { content: "\f15c"; }
  .feather.icon-alert-triangle::before, .feather.icon-alert-circle::before { content: "\f071"; }
  .feather.icon-sliders::before { content: "\f1de"; }
  .feather.icon-download::before { content: "\f019"; }
  .feather.icon-user-plus::before { content: "\f234"; }
  .feather.icon-refresh-cw::before { content: "\f021"; }

  :root {
    /* Primary Academic Slate / Indigo Palette */
    --primary: #1e40af;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    
    --brand-dark: #0f172a;
    --brand-accent: #0284c7;
    
    /* Semantic OBE Status Badges (Contrast Floor >= 4.5:1) */
    --obe-exceed-bg: #ecfdf5;
    --obe-exceed-text: #065f46;
    --obe-exceed-border: #a7f3d0;
    
    --obe-meet-bg: #f0f9ff;
    --obe-meet-text: #075985;
    --obe-meet-border: #bae6fd;
    
    --obe-risk-bg: #fff1f2;
    --obe-risk-text: #9f1239;
    --obe-risk-border: #fecdd3;
    
    --obe-remedial-bg: #fffbeb;
    --obe-remedial-text: #92400e;
    --obe-remedial-border: #fde68a;

    --success: #059669;
    --success-light: #ecfdf5;
    --danger: #e11d48;
    --danger-light: #fff1f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --info: #0284c7;
    --info-light: #f0f9ff;
    
    /* Neutral Surfaces */
    --body-bg: #f8fafc;
    --card-bg: #ffffff;
    --card-header-bg: #ffffff;
    --surface-secondary: #f1f5f9;
    --border-color: #e2e8f0;
    --border-subtle: #f8fafc;
    
    --text-color: #334155;
    --text-primary: #0f172a;
    --text-heading: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    /* Shadows & Elevation */
    --shadow-subtle: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --shadow-elevated: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
    
    --sidebar-width: 270px;
    --navbar-height: 64px;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
  }

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

  body {
    font-family: 'Plus Jakarta Sans', 'Prompt', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.9375rem;
    background-color: var(--body-bg);
    color: var(--text-color);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
  }

  /* Tabular Figures for Numbers & Codes */
  .tabular-nums, .font-mono, .score-input, td[data-score], .score-cell, .row-total-pct {
    font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
    font-variant-numeric: tabular-nums !important;
  }

  h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
  }

  a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.15s ease;
  }

  a:hover {
    color: var(--primary-hover);
    text-decoration: none;
  }

  /* Focus Visibility */
  button:focus-visible, select:focus-visible, input:focus-visible, a:focus-visible {
    outline: 2px solid var(--brand-accent) !important;
    outline-offset: 2px !important;
  }

  /* Layout Structure */
  #app-container {
    display: flex;
    min-height: 100vh;
  }

  /* Sidebar styling */
  #sidebar {
    width: var(--sidebar-width);
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1030;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), margin-left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 2px 0 8px rgba(15, 23, 42, 0.03);
  }

  #sidebar.collapsed {
    margin-left: calc(-1 * var(--sidebar-width));
  }

  .sidebar-header {
    padding: 1.25rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: #ffffff;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--brand-dark);
  }

  .brand-logo .brand-badge {
    background: var(--primary);
    color: #ffffff;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.5px;
  }

  .sidebar-menu {
    list-style: none;
    padding: 0.75rem 0.5rem;
    flex-grow: 1;
    overflow-y: auto;
  }

  .menu-header {
    padding: 0.75rem 0.75rem 0.35rem 0.75rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    color: var(--text-light);
    font-weight: 700;
  }

  .menu-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.885rem;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
    margin-bottom: 2px;
  }

  .menu-item a:hover {
    color: var(--primary);
    background-color: var(--primary-light);
    text-decoration: none;
  }

  .menu-item.active a {
    color: var(--primary);
    background-color: var(--primary-light);
    font-weight: 600;
  }

  .menu-item i,
  .menu-item svg {
    width: 1.2rem;
    height: 1.2rem;
    text-align: center;
    color: inherit;
    flex-shrink: 0;
  }

  /* Feather Icon SVG Styles */
  svg.feather, i.feather {
    width: 1.15em;
    height: 1.15em;
    vertical-align: -0.15em;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: inline-block;
    flex-shrink: 0;
  }

  .mr-1 { margin-right: 0.25rem; }
  .mr-2 { margin-right: 0.5rem; }
  .ml-1 { margin-left: 0.25rem; }
  .ml-2 { margin-left: 0.5rem; }

  /* Main Content Area */
  #main-content {
    flex-grow: 1;
    margin-left: var(--sidebar-width);
    padding: 1.5rem 2rem 3rem 2rem;
    transition: margin-left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    min-width: 0;
  }

  #main-content.expanded {
    margin-left: 0;
  }

  /* Top Navigation Bar */
  #navbar {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.65rem 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: sticky;
    top: 1rem;
    z-index: 1020;
  }

  .nav-left {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    flex-wrap: wrap;
  }

  .menu-toggle-btn {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
  }

  .menu-toggle-btn:hover {
    background-color: var(--surface-secondary);
    color: var(--primary);
    border-color: var(--primary-border);
  }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .user-profile {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding-left: 0.75rem;
    border-left: 1px solid var(--border-color);
  }

  .user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid var(--primary-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
  }

  .user-info {
    text-align: left;
    line-height: 1.2;
  }

  .user-name {
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.825rem;
    display: block;
  }

  .user-role {
    font-size: 0.725rem;
    color: var(--text-muted);
    display: block;
  }

  /* Page Structure */
  .page-header {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .page-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.2rem;
  }

  .breadcrumb {
    font-size: 0.825rem;
    color: var(--text-muted);
    background: transparent;
    padding: 0;
    margin-bottom: 0;
  }

  /* Components: Cards (Distilled, Non-Fatigued) */
  .card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: 1.5rem;
    overflow: hidden;
  }

  .card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-header-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0;
    display: flex;
    align-items: center;
  }

  .card-body {
    padding: 1.25rem;
  }

  /* Grid Utilities */
  .row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -0.625rem;
    margin-left: -0.625rem;
  }

  .col-12 { width: 100%; padding: 0 0.625rem; }
  .col-md-6 { width: 50%; padding: 0 0.625rem; }
  .col-md-4 { width: 33.333%; padding: 0 0.625rem; }
  .col-md-3 { width: 25%; padding: 0 0.625rem; }
  .col-md-8 { width: 66.666%; padding: 0 0.625rem; }
  .col-md-5 { width: 41.666%; padding: 0 0.625rem; }
  .col-md-7 { width: 58.333%; padding: 0 0.625rem; }

  @media (max-width: 991px) {
    .col-md-6, .col-md-4, .col-md-3, .col-md-8, .col-md-5, .col-md-7 {
      width: 100%;
    }
    #main-content {
      margin-left: 0;
      padding: 1rem 1rem 2rem 1rem;
    }
    #sidebar {
      margin-left: calc(-1 * var(--sidebar-width));
      box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    }
    #sidebar.show {
      margin-left: 0;
    }
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-weight: 600;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    line-height: 1.4;
    border-radius: var(--radius-md);
    transition: all 0.15s ease-in-out;
    cursor: pointer;
  }

  .btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
  }

  .btn-primary {
    color: #fff;
    background-color: var(--primary);
    border-color: var(--primary);
  }

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

  .btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary-border);
    background-color: #fff;
  }

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

  .btn-outline-success {
    color: var(--success);
    border-color: #a7f3d0;
    background-color: #fff;
  }

  .btn-outline-success:hover {
    background-color: var(--success-light);
    border-color: var(--success);
    color: var(--success);
  }

  .btn-outline-warning {
    color: #b45309;
    border-color: #fde68a;
    background-color: #fff;
  }

  .btn-outline-warning:hover {
    background-color: var(--warning-light);
    border-color: var(--warning);
    color: #92400e;
  }

  .btn-outline-danger {
    color: var(--danger);
    border-color: #fecdd3;
    background-color: #fff;
  }

  .btn-outline-danger:hover {
    background-color: var(--danger-light);
    border-color: var(--danger);
    color: var(--danger);
  }

  .btn-outline-info {
    color: var(--info);
    border-color: #bae6fd;
    background-color: #fff;
  }

  .btn-outline-info:hover {
    background-color: #f0f9ff;
    border-color: var(--info);
    color: var(--info);
  }

  .btn-success {
    color: #fff;
    background-color: var(--success);
    border-color: var(--success);
  }

  .btn-warning {
    color: #fff;
    background-color: var(--warning);
    border-color: var(--warning);
  }

  .btn-danger {
    color: #fff;
    background-color: var(--danger);
    border-color: var(--danger);
  }

  .btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-color);
    background-color: #fff;
  }

  .btn-outline-secondary:hover {
    background-color: var(--surface-secondary);
    color: var(--text-heading);
  }

  .btn-block {
    display: flex;
    width: 100%;
  }

  .btn-circle {
    border-radius: 50%;
    width: 32px;
    height: 32px;
    padding: 0;
  }

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

  .form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.85rem;
  }

  .form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.875rem;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.4;
    color: var(--text-heading);
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  }

  .form-control:focus {
    color: var(--text-heading);
    background-color: #fff;
    border-color: var(--brand-accent);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
  }

  .form-control-sm {
    padding: 0.35rem 0.65rem;
    font-size: 0.825rem;
  }

  /* Tables & Sticky Headers */
  .table-responsive {
    overflow-x: auto;
    width: 100%;
  }

  .table {
    width: 100%;
    margin-bottom: 0;
    color: var(--text-color);
    border-collapse: collapse;
  }

  .table th, .table td {
    padding: 0.65rem 0.875rem;
    vertical-align: middle;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
  }

  .table th {
    background-color: #f8fafc;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
  }

  .table-sticky-header thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: #f8fafc;
    box-shadow: 0 1px 0 var(--border-color);
  }

  .table-bordered {
    border: 1px solid var(--border-color);
  }

  .table-bordered th, .table-bordered td {
    border: 1px solid var(--border-color);
  }

  .table-striped tbody tr:nth-of-type(odd) {
    background-color: #fcfdfe;
  }

  .table-hover tbody tr:hover {
    background-color: #f1f5f9;
  }

  /* OBE Status Badges (Contrast Floor Floor >= 4.5:1) */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
  }

  .badge-light-primary {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-border);
  }

  .badge-light-info {
    background-color: var(--info-light);
    color: var(--info);
    border-color: #bae6fd;
  }

  .badge-light-success, .badge-exceed {
    background-color: var(--obe-exceed-bg);
    color: var(--obe-exceed-text);
    border-color: var(--obe-exceed-border);
  }

  .badge-light-warning, .badge-meet {
    background-color: var(--obe-meet-bg);
    color: var(--obe-meet-text);
    border-color: var(--obe-meet-border);
  }

  .badge-light-danger, .badge-risk {
    background-color: var(--obe-risk-bg);
    color: var(--obe-risk-text);
    border-color: var(--obe-risk-border);
  }

  .badge-remedial {
    background-color: var(--obe-remedial-bg);
    color: var(--obe-remedial-text);
    border-color: var(--obe-remedial-border);
  }

  .badge-light-secondary {
    background-color: var(--surface-secondary);
    color: var(--text-muted);
    border-color: var(--border-color);
  }

  /* Alerts */
  .alert {
    padding: 0.875rem 1.25rem;
    margin-bottom: 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
  }

  .alert-primary {
    background-color: var(--primary-light);
    border-color: var(--primary-border);
    color: var(--primary);
  }

  .alert-success {
    background-color: var(--success-light);
    border-color: #a7f3d0;
    color: var(--success);
  }

  .alert-danger {
    background-color: var(--danger-light);
    border-color: #fecdd3;
    color: var(--danger);
  }

  .alert-warning {
    background-color: var(--warning-light);
    border-color: #fde68a;
    color: var(--warning);
  }

  /* Page View Entrance Animation */
  .page-view {
    animation: viewFadeIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  @keyframes viewFadeIn {
    from {
      opacity: 0;
      transform: translateY(5px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Score Pulse Animation for Real-Time Recalculation */
  @keyframes scorePulse {
    0% { background-color: var(--primary-light); color: var(--primary); }
    100% { background-color: transparent; }
  }

  .score-updated {
    animation: scorePulse 0.35s ease-out;
  }

  /* Custom Loading Indicator with Blur */
  .loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s ease, visibility 0.2s ease;
  }

  .loading-overlay.show {
    visibility: visible;
    opacity: 1;
  }

  .loading-overlay .loading-card,
  .loading-overlay > div {
    transform: scale(0.96) translateY(8px);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .loading-overlay.show .loading-card,
  .loading-overlay.show > div {
    transform: scale(1) translateY(0);
  }

  .loading-card {
    background: #ffffff;
    padding: 1.5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .spinner {
    width: 42px;
    height: 42px;
    border: 3.5px solid var(--border-color);
    border-top: 3.5px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
  }

  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

  /* Skeleton Shimmer Loading States (Core Web Vitals & CLS Protection) */
  @keyframes skeleton-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
  }
  .skeleton-shimmer {
    background: linear-gradient(90deg, #f8fafc 25%, #e2e8f0 50%, #f8fafc 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
    display: inline-block;
  }
  .skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius-sm);
  }
  .skeleton-box {
    width: 100%;
    min-height: 120px;
    border-radius: var(--radius-md);
  }
  .skeleton-chart {
    width: 100%;
    height: 320px;
    border-radius: var(--radius-md);
  }

  /* Ribbon Metric Boxes */
  .stats-ribbon {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .stat-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.875rem 1rem;
    box-shadow: var(--shadow-card);
  }

  .stat-card-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
  }

  .stat-card-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    font-family: 'JetBrains Mono', monospace;
  }

  /* Empty State Components */
  .empty-state {
    padding: 2.5rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .empty-state-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--surface-secondary);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .empty-state-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.35rem;
  }

  .empty-state-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    max-width: 360px;
    margin-bottom: 1rem;
  }

  /* Matrix mapping styles */
  .matrix-cell {
    text-align: center;
    font-weight: bold;
    font-size: 1.05rem;
    color: var(--primary);
  }

  /* ==========================================================================
     ADAPTATION STYLES: Mobile, Tablet, Touch, and Print (Impeccable Adapt)
     ========================================================================== */

  /* Touch Target Enhancements (Mobile/Tablet) */
  @media (pointer: coarse), (max-width: 768px) {
    .btn, .form-control, .custom-select {
      min-height: 42px;
    }
    .btn-sm {
      min-height: 38px;
      padding: 0.4rem 0.85rem;
    }
    .score-input {
      min-height: 38px;
      font-size: 1rem !important; /* Prevents auto-zoom in iOS Safari */
    }
    .sidebar-menu .menu-item a {
      padding: 0.75rem 1rem;
      min-height: 44px;
    }
    .stats-ribbon {
      grid-template-columns: repeat(2, 1fr);
      gap: 0.5rem;
    }
  }

  @media (max-width: 576px) {
    .main-header {
      padding: 0.75rem;
      flex-direction: column;
      align-items: stretch;
      gap: 0.75rem;
    }
    .main-header > div {
      justify-content: space-between;
      width: 100%;
    }
    .stats-ribbon {
      grid-template-columns: 1fr;
    }
    .card-header {
      flex-direction: column;
      align-items: flex-start;
      gap: 0.75rem;
    }
    .card-header .btn {
      width: 100%;
    }
    .table-responsive {
      -webkit-overflow-scrolling: touch;
      border-radius: var(--radius-md);
    }
  }

  /* Print Media Adaptation (SAR, Reports & Matrix Printing) */
  @media print {
    *, *::before, *::after {
      background: transparent !important;
      color: #000 !important;
      box-shadow: none !important;
      text-shadow: none !important;
    }
    body {
      background: #fff !important;
      font-size: 12pt;
      color: #000;
    }
    #sidebar,
    .main-header,
    .btn,
    .menu-toggle-btn,
    .loading-overlay,
    .nav-tabs,
    .form-group:has(select),
    .form-group:has(button) {
      display: none !important;
    }
    #main-content {
      margin-left: 0 !important;
      padding: 0 !important;
      width: 100% !important;
    }
    .card {
      border: 1px solid #ccc !important;
      box-shadow: none !important;
      page-break-inside: avoid;
      margin-bottom: 1.5rem !important;
    }
    .card-header {
      border-bottom: 2px solid #333 !important;
      background: #f5f5f5 !important;
    }
    .table {
      width: 100% !important;
      border-collapse: collapse !important;
    }
    .table th, .table td {
      border: 1px solid #ddd !important;
      padding: 6px 8px !important;
    }
    .table thead th {
      background-color: #eee !important;
    }
    .stats-ribbon {
      display: flex !important;
      flex-wrap: wrap !important;
      gap: 10px !important;
    }
    .stat-card {
      border: 1px solid #ccc !important;
      flex: 1 !important;
    }
    .badge {
      border: 1px solid #666 !important;
      font-weight: 600 !important;
    }
    @page {
      margin: 1.5cm;
      size: A4 portrait;
    }
  }

  /* Performance Optimization: Content Visibility & Layout Containment */
  .table-responsive {
    contain: paint layout;
  }
  .score-input {
    will-change: border-color, background-color;
  }

  /* Accessibility: Prefers Reduced Motion */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
    .page-view {
      animation: none !important;
    }
  }
