:root { --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      transition: background-color 0.15s ease, border-color 0.15s ease, color 0.1s ease;
    }

    html, body {
      font-family: var(--font-sans);
      background-color: var(--bg-app);
      background-image: none !important;
      color: var(--text-primary);
    }

    .app-sidebar, .card-elevated, .stat-card, .table-container, .detail-panel {
      backdrop-filter: none !important;
      -webkit-backdrop-filter: none !important;
    }

    .font-mono {
      font-family: 'JetBrains Mono', monospace;
    }


    .app-layout {
      width: 100%;
      min-width: 0;
      height: 100vh;
      height: 100dvh;
      display: flex;
      overflow: hidden;
    }


    .sidebar {
      width: 250px;
      height: 100%;
      background: var(--bg-sidebar);
      border-right: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      flex-shrink: 0;
      z-index: 50;
    }

    .sidebar-header {
      height: 70px;
      padding: 0 22px;
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid var(--border-color);
    }

    .brand-icon-box {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--btn-primary-bg);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--btn-primary-text);
      font-size: 18px;
      font-weight: 800;
      box-shadow: none; border: 1px solid var(--border-color);
    }

    .brand-title {
      font-size: 15px;
      font-weight: 800;
      letter-spacing: -0.4px;
      color: var(--text-primary);
      line-height: 1.2;
    }

    .brand-subtitle {
      font-size: 11px;
      font-weight: 600;
      color: var(--text-secondary);
      letter-spacing: 0.2px;
    }

    .sidebar-nav {
      flex: 1;
      padding: 20px 14px;
      display: flex;
      flex-direction: column;
      gap: 6px;
      overflow-y: auto;
    }

    .nav-section-label {
      font-size: 10.5px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: var(--text-muted);
      padding: 10px 12px 4px;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 14px;
      border-radius: 12px;
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-secondary);
      background: transparent;
      border: none;
      cursor: pointer;
      width: 100%;
      text-align: left;
      font-family: inherit;
      transition: all 0.15s ease;
      position: relative;
    }

    .nav-item:hover {
      color: var(--text-primary);
      background: var(--bg-card-subtle);
    }

    .nav-item.active {
      color: var(--btn-primary-text);
      background: var(--btn-primary-bg);
      border: 1px solid var(--btn-primary-border);
      font-weight: 700;
      box-shadow: none;
    }

    .nav-icon {
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 20px;
    }

    .nav-badge {
      margin-left: auto;
      background: var(--accent-amber);
      color: var(--accent-amber-contrast);
      font-size: 10px;
      font-weight: 800;
      padding: 2px 7px;
      border-radius: 9999px;
    }

    .sidebar-footer {
      padding: 16px 14px;
      border-top: 1px solid var(--border-color);
    }

    .logout-btn {
      color: var(--accent-rose);
    }

    .logout-btn:hover {
      background: var(--accent-rose-light);
      color: var(--accent-rose);
    }


    .main-wrapper {
      flex: 1;
      height: 100%;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      background: var(--bg-app);
    }


    .topbar {
      height: 70px;
      padding: 0 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      background: var(--bg-sidebar);
      flex-shrink: 0;
      gap: 16px;
    }

    .search-pill-box {
      display: flex;
      align-items: center;
      gap: 10px;
      background: var(--bg-input);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 8px 16px;
      width: 360px;
      max-width: 100%;
    }

    .search-pill-box input {
      border: none;
      background: transparent;
      outline: none;
      color: var(--text-primary);
      font-family: inherit;
      font-size: 13px;
      width: 100%;
    }

    .topbar-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .geofence-status-pill {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 14px;
      border-radius: 9999px;
      background: var(--accent-emerald-light);
      border: 1px solid color-mix(in srgb, var(--accent-emerald) 30%, transparent);
      color: var(--accent-emerald);
      font-size: 11.5px;
      font-weight: 700;
    }

    .pulse-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent-emerald);
      box-shadow: 0 0 8px var(--accent-emerald);
    }

    .theme-toggle-btn {
      background: var(--bg-card-subtle);
      border: 1px solid var(--border-color);
      color: var(--text-primary);
      border-radius: 12px;
      padding: 7px 14px;
      font-size: 12px;
      font-weight: 700;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .theme-toggle-btn:hover {
      border-color: var(--border-focus);
    }

    .admin-profile-pill {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 5px 12px;
      background: var(--bg-card-subtle);
      border: 1px solid var(--border-color);
      border-radius: 12px;
    }

    .avatar-initial-box {
      width: 30px;
      height: 30px;
      border-radius: 8px;
      background: var(--text-primary);
      color: var(--bg-card);
      font-weight: 800;
      font-size: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .admin-profile-meta {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .admin-name {
      font-size: 12.5px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .admin-role {
      font-size: 10.5px;
      color: var(--text-secondary);
    }


    .content-area {
      flex: 1;
      overflow-y: auto;
      padding: 28px;
    }


    .page-header-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .page-title {
      font-size: 24px;
      font-weight: 800;
      letter-spacing: -0.6px;
      color: var(--text-primary);
    }

    .page-subtitle {
      font-size: 13px;
      color: var(--text-secondary);
      margin-top: 4px;
    }


    .metric-cards-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-bottom: 24px;
    }

    @media (max-width: 1200px) {
      .metric-cards-row { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 700px) {
      .metric-cards-row { grid-template-columns: 1fr; }
    }

    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 20px 22px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .metric-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }

    .metric-icon-square {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--bg-card-subtle);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }

    .metric-tag-pill {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 9999px;
    }

    .metric-tag-pill.green {
      background: var(--accent-emerald-light);
      color: var(--accent-emerald);
    }

    .metric-tag-pill.blue {
      background: var(--accent-blue-light);
      color: var(--accent-blue);
    }

    .metric-tag-pill.purple {
      background: var(--accent-purple-light);
      color: var(--accent-purple);
    }

    .metric-card-label {
      font-size: 12.5px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 4px;
    }

    .metric-card-number {
      font-size: 34px;
      font-weight: 800;
      letter-spacing: -1px;
      color: var(--text-primary);
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-card-foot {
      font-size: 11.5px;
      color: var(--text-secondary);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 4px;
    }


    .dashboard-grid-2 {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 20px;
      margin-bottom: 24px;
    }

    @media (max-width: 1100px) {
      .dashboard-grid-2 { grid-template-columns: 1fr; }
    }

    .panel-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 18px;
      padding: 24px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
    }

    .panel-card-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 20px;
    }

    .panel-card-title {
      font-size: 16px;
      font-weight: 800;
      letter-spacing: -0.3px;
      color: var(--text-primary);
    }

    .panel-card-desc {
      font-size: 12px;
      color: var(--text-secondary);
      margin-top: 3px;
    }


    .spot-bars-box {
      display: flex;
      align-items: flex-end;
      gap: 14px;
      height: 200px;
      padding: 20px 4px 34px;
      position: relative;
    }

    .spot-bar-col {
      flex: 1;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-end;
      position: relative;
    }

    .spot-bar-fill {
      width: 100%;
      max-width: 38px;
      background: var(--bg-card-subtle);
      border: 1px solid var(--border-color);
      border-radius: 8px 8px 3px 3px;
      transition: height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      cursor: pointer;
      position: relative;
    }

    .spot-bar-fill:hover {
      background: var(--accent-blue);
      border-color: var(--accent-blue);
    }

    .spot-bar-fill.peak {
      background: var(--accent-amber);
      border-color: var(--accent-amber);
      box-shadow: var(--card-shadow);
    }

    .spot-tooltip {
      position: absolute;
      top: -34px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--bg-surface-elevated);
      color: var(--text-primary);
      font-size: 11px;
      font-weight: 700;
      padding: 4px 8px;
      border-radius: 6px;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.15s;
      z-index: 10;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    }

    .spot-bar-col:hover .spot-tooltip {
      opacity: 1;
    }

    .spot-col-label {
      position: absolute;
      bottom: -28px;
      font-size: 11px;
      font-weight: 700;
      color: var(--text-secondary);
      white-space: nowrap;
      text-overflow: ellipsis;
      max-width: 100%;
      overflow: hidden;
      text-align: center;
    }


    .donut-chart-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 10px 0;
    }

    .donut-svg-wrap {
      position: relative;
      width: 160px;
      height: 160px;
      margin-bottom: 18px;
    }

    .donut-center-text {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .donut-center-num {
      font-size: 26px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-primary);
      line-height: 1;
    }

    .donut-center-sub {
      font-size: 10.5px;
      color: var(--text-secondary);
      font-weight: 600;
      margin-top: 4px;
    }

    .donut-legend-list {
      width: 100%;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .donut-legend-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12.5px;
      font-weight: 600;
    }

    .donut-legend-left {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .legend-color-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
    }


    .table-container-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 18px;
      padding: 24px;
      box-shadow: var(--card-shadow);
    }

    .table-actions-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 20px;
    }

    .table-filters-left {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .filter-select {
      background: var(--bg-card-subtle);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 8px 14px;
      font-family: inherit;
      font-size: 12.5px;
      font-weight: 600;
      color: var(--text-primary);
      cursor: pointer;
      outline: none;
    }

    .btn-action-primary {
      background: var(--btn-primary-bg);
      color: var(--btn-primary-text);
      border: 1px solid var(--btn-primary-border);
      border-radius: 10px;
      padding: 9px 18px;
      font-family: inherit;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.15s ease;
      box-shadow: none;
    }

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

    .btn-action-outline {
      background: var(--bg-card-subtle);
      color: var(--text-primary);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 8px 15px;
      font-family: inherit;
      font-size: 12.5px;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.15s ease;
    }

    .btn-action-outline:hover {
      border-color: var(--border-focus);
      background: var(--bg-input);
    }

    .btn-action-secondary {
      background: var(--bg-card-subtle);
      color: var(--text-primary);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 10px 18px;
      font-family: inherit;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.15s ease;
      box-sizing: border-box;
    }

    .btn-action-secondary:hover {
      border-color: var(--border-focus);
      background: var(--bg-input);
      transform: translateY(-1px);
    }

    .btn-action-secondary:focus-visible,
    .btn-action-primary:focus-visible,
    .btn-action-outline:focus-visible,
    .btn-action-danger:focus-visible {
      outline: 2px solid var(--accent-blue) !important;
      outline-offset: 2px !important;
    }

    .data-table-wrap {
      width: 100%;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      overscroll-behavior-x: contain;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .figma-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 13px;
    }

    .figma-table th {
      padding: 12px 18px;
      font-size: 11px;
      font-weight: 800;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.6px;
      background: var(--bg-card-subtle);
      border-bottom: 1px solid var(--border-color);
      white-space: nowrap;
    }

    .figma-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
      color: var(--text-primary);
      vertical-align: middle;
    }

    .figma-table tr:nth-child(even) td {
      background: var(--table-stripe);
    }

    .figma-table tr:hover td {
      background: var(--table-hover);
    }

    .user-avatar-pill {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--accent-blue-light);
      color: var(--accent-blue);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 12px;
      margin-right: 10px;
      flex-shrink: 0;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 3px 10px;
      border-radius: 9999px;
      font-size: 11.5px;
      font-weight: 700;
    }

    .status-pill.active {
      background: var(--accent-emerald-light);
      color: var(--accent-emerald);
    }

    .status-pill.pending {
      background: var(--accent-rose-light);
      color: var(--accent-rose);
    }

    .row-icon-btn {
      width: 30px;
      height: 30px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      background: var(--bg-card-subtle);
      color: var(--text-primary);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      transition: all 0.15s ease;
    }

    .row-icon-btn:hover {
      border-color: var(--border-focus);
      background: var(--bg-input);
    }

    .row-icon-btn.delete {
      color: var(--accent-rose);
    }

    .row-icon-btn.delete:hover {
      background: var(--accent-rose-light);
      border-color: var(--accent-rose);
    }

    .pagination-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 16px;
      margin-top: 8px;
      font-size: 12.5px;
      color: var(--text-secondary);
      flex-wrap: wrap;
      gap: 12px;
    }


    .admin-modal-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(21, 21, 21, 0.85);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      z-index: 1000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .admin-modal-backdrop.active {
      display: flex;
    }

    .admin-modal-box {
      width: 100%;
      max-width: 480px;
      background: var(--bg-modal);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 30px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }

    .notice-active-control {
      display: flex;
      align-items: center;
      gap: 9px;
      color: var(--text-secondary);
      font-size: 13px;
      cursor: pointer;
    }
    .notice-active-control input { accent-color: var(--accent-blue); }
    .notice-preview-card {
      margin-top: 16px;
      padding: 12px 14px;
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      background: var(--bg-surface);
      overflow: hidden;
    }
    .notice-preview-label {
      display: block;
      margin-bottom: 7px;
      color: var(--text-muted);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: .07em;
      text-transform: uppercase;
    }
    .notice-preview-line {
      display: flex;
      align-items: baseline;
      gap: 7px;
      min-width: 0;
      color: var(--text-primary);
      font-size: 13px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .notice-preview-line strong { color: var(--accent-blue); }

    .form-row-2col {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .infra-status-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .student-subnav, .student-filter-grid { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
    .student-subnav { margin: 0 0 16px; }
    .student-filter-grid { padding: 16px; border-bottom: 1px solid var(--border-color); }
    .student-filter-grid .form-input, .student-filter-grid .filter-select { min-width: 150px; }
    .student-search-field { flex: 1 1 280px; min-width: 220px; }
    .student-page-status { min-height: 24px; padding: 0 16px; color: var(--text-secondary); font-size: 12px; }
    .student-management-table { min-width: 1160px; }
    .student-open-profile { color: var(--accent-blue); font-weight: 700; background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
    .status-pill.suspended { color: var(--accent-rose); background: var(--accent-rose-light); }
    .student-profile-box { max-width: 980px; max-height: min(92dvh, 900px); display: flex; flex-direction: column; overflow: hidden; padding: 0; }
    .student-profile-head { padding: 22px 26px; border-bottom: 1px solid var(--border-color); display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
    .student-profile-body { overflow: auto; overscroll-behavior: contain; padding: 22px 26px; }
    .student-profile-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
    .student-profile-field, .student-profile-panel { border: 1px solid var(--border-color); background: var(--bg-card-subtle); border-radius: 12px; padding: 12px; min-width: 0; }
    .student-profile-field small { display: block; color: var(--text-secondary); margin-bottom: 5px; }
    .student-profile-field strong { overflow-wrap: anywhere; }
    .student-profile-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; margin-top: 16px; }
    .student-profile-panel h3 { font-size: 14px; margin: 0 0 10px; }
    .student-report-item, .student-activity-item { padding: 10px 0; border-top: 1px solid var(--border-color); font-size: 12.5px; }
    .student-report-item:first-of-type, .student-activity-item:first-of-type { border-top: 0; }
    .student-timeline { list-style: none; margin: 0; padding: 0; }
    .student-account-actions { display: flex; gap: 8px; align-items: center; }
    #reportsTableBody tr[data-highlighted="true"] { background: var(--bg-surface-elevated); }
    .report-filter-grid { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 10px; padding: 16px; border-bottom: 1px solid var(--border-color); }
    .report-search-field { grid-column: span 2; }
    .report-investigation-table { min-width: 1280px; }
    .report-investigation-box { max-width: 1080px; max-height: min(92dvh, 920px); display: flex; flex-direction: column; overflow: hidden; padding: 0; }
    .report-investigation-body { overflow: auto; overscroll-behavior: contain; padding: 20px 24px; }
    .report-investigation-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .report-identity-card, .report-investigation-panel { border: 1px solid var(--border-color); background: var(--bg-card-subtle); border-radius: 12px; padding: 14px; min-width: 0; overflow-wrap: anywhere; }
    .report-investigation-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
    .report-history-list { list-style: none; padding: 0; margin: 0; }
    .report-history-list li { padding: 10px 0; border-top: 1px solid var(--border-color); white-space: pre-wrap; overflow-wrap: anywhere; }
    .report-resolution-row { display: flex; gap: 8px; align-items: flex-end; }
    .report-resolution-row .form-group { flex: 1; margin: 0; }
    .report-identity-status { font-size: 11px; color: var(--text-secondary); }

    @media (max-width: 1100px) {
      .student-management-table { min-width: 100%; width: 100%; table-layout: fixed; }
      .student-management-table .student-col-email, .student-management-table .student-col-pseudo { display: none; }
    }
    @media (max-width: 700px) {
      .form-row-2col,
      .infra-status-grid {
        grid-template-columns: 1fr !important;
      }
      .student-filter-grid { align-items: stretch; }
      .student-filter-grid .form-input, .student-filter-grid .filter-select, .student-search-field { flex: 1 1 100%; width: 100% !important; }
      .report-filter-grid { grid-template-columns: 1fr; padding: 12px; }
      .report-search-field { grid-column: auto; }
      .report-investigation-backdrop { padding: 8px; align-items: stretch; }
      .report-investigation-box { max-height: 100%; height: 100%; border-radius: 14px; }
      .report-investigation-body { padding: 14px; }
      .report-investigation-grid, .report-investigation-controls { grid-template-columns: 1fr; }
      .report-resolution-row { align-items: stretch; flex-direction: column; }
      .student-profile-backdrop { padding: 8px; align-items: stretch; }
      .student-profile-box { max-height: 100%; height: 100%; border-radius: 14px; }
      .student-profile-head, .student-profile-body { padding: 16px; }
      .student-profile-grid, .student-profile-columns { grid-template-columns: 1fr; }
      .student-management-table { min-width: 100%; width: 100%; }
      .student-management-table .student-col-date, .student-management-table .student-col-year { display: none; }
    }

    .modal-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.4px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 16px;
    }

    .form-group label {
      font-size: 11.5px;
      font-weight: 700;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .form-input {
      padding: 10px 14px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      background: var(--bg-input);
      font-family: inherit;
      font-size: 13.5px;
      color: var(--text-primary);
      outline: none;
    }

    .form-input:focus {
      border-color: var(--border-focus);
    }


    .security-gate-wrap {
      width: 100%;
      height: 100vh;
      height: 100dvh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-app);
      padding: 20px;
    }

    .security-gate-card {
      max-width: 420px;
      width: 100%;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 24px;
      padding: 36px 32px;
      box-shadow: var(--card-shadow);
      text-align: center;
    }

    @media print {
      body { background: #ffffff !important; color: #000000 !important; }
      .sidebar, .topbar, .table-actions-row, .pagination-bar, .row-icon-btn, .btn-action-primary, .btn-action-outline { display: none !important; }
      .table-container-card { border: none !important; box-shadow: none !important; padding: 0 !important; }
      .content-area { padding: 0 !important; }
    }


    .platform-settings-card { margin-bottom: 22px; }
    .platform-setting-control { min-width: 0; border: 1px solid var(--border-subtle); border-radius: 12px; padding: 16px; background: var(--bg-card-subtle); }
    .platform-setting-control p { margin: 7px 0 13px; color: var(--text-secondary); font-size: 12px; line-height: 1.5; }
    .platform-setting-control .form-input { margin-top: 9px; }
    .platform-toggle-label { display: flex; align-items: center; gap: 9px; min-height: 42px; cursor: pointer; font-size: 13px; }
    .platform-toggle-label input { width: 18px; height: 18px; accent-color: var(--accent-blue); }
    .platform-feature-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 14px; }
    .platform-feature-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-width: 0; border: 1px solid var(--border-subtle); border-radius: 10px; padding: 10px 12px; }
    .platform-feature-row span { min-width: 0; overflow-wrap: anywhere; font-size: 12px; font-weight: 650; }
    .platform-feature-row select { width: 145px; max-width: 48%; }
    .platform-history-wrap { margin-top: 24px; border-top: 1px solid var(--border-subtle); padding-top: 16px; }
    .platform-history-wrap h4 { margin: 0 0 10px; }
    .platform-settings-history { margin: 0; padding-left: 20px; color: var(--text-secondary); font-size: 12px; line-height: 1.7; }
    @media (max-width: 768px) {
      .platform-feature-controls { grid-template-columns: 1fr; }
      .platform-feature-row { align-items: stretch; flex-direction: column; }
      .platform-feature-row select { width: 100%; max-width: none; min-height: 42px; }
    }
    .admin-ui-enhancements {}
    .nav-item:focus-visible {
      outline: 2px solid var(--accent-blue) !important;
      outline-offset: 2px !important;
    }
    .nav-item.active {
      border-left: 3px solid var(--btn-primary-text) !important;
    }


    .skip-to-main {
      position: fixed;
      top: -100px;
      left: 16px;
      z-index: 99999;
      background: var(--accent-blue);
      color: var(--btn-primary-text) !important;
      padding: 10px 20px;
      border-radius: 8px;
      font-weight: 700;
      font-size: 13px;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
      transition: top 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .skip-to-main:focus,
    .skip-to-main:focus-visible {
      top: 16px;
      outline: 2px solid var(--border-focus);
      outline-offset: 2px;
    }


    @media (min-width: 769px) and (max-width: 1024px) {
      .sidebar {
        width: 210px;
        min-width: 210px;
      }
    }


    @media (max-width: 768px) {
      .app-layout {
        flex-direction: column;
        height: 100vh;
        height: 100dvh;
        overflow: hidden;
      }
      .admin-modal-backdrop {
        padding: max(12px, env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-right, 0px)) max(12px, env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
      }
      .admin-modal-box {
        max-height: calc(100vh - 24px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
        max-height: calc(100dvh - 24px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        padding: 20px 16px;
      }
      .sidebar {
        width: 100% !important;
        height: auto !important;
        flex-shrink: 0;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
      }
      .sidebar-header {
        height: auto;
        min-height: 52px;
        padding: max(10px, env(safe-area-inset-top, 0px)) 16px 10px;
      }
      .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 8px 12px;
        gap: 8px;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
      }
      .nav-section-label {
        display: none;
      }
      .nav-item {
        width: auto !important;
        padding: 8px 14px;
        flex-shrink: 0;
        font-size: 13px;
      }
      .sidebar-footer {
        display: none;
      }
      .topbar {
        height: auto;
        padding: 10px 16px;
        flex-wrap: wrap;
        gap: 10px;
      }
      .main-wrapper {
        flex: 1;
        height: auto;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
      }
      .content-area {
        padding: 16px 12px !important;
        overflow-x: hidden;
      }
      .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      .form-input,
      .filter-select,
      .search-pill-box input,
      .quick-search-box input,
      #adminLoginEmail,
      #adminLoginPass,
      #globalAdminSearch,
      #studentSearchInput,
      #studentDeptFilter {
        font-size: 16px !important;
      }
    }

    @media (hover: none) and (pointer: coarse) {
      .form-input,
      .filter-select,
      .search-pill-box input,
      .quick-search-box input {
        font-size: 16px !important;
        touch-action: manipulation;
      }
      .btn-action,
      .btn-primary,
      .nav-item {
        min-height: 44px;
        touch-action: manipulation;
      }
    }