:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary-color: #64748b;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-surface: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --danger-color: #ef4444;
  --success-color: #10b981;
}

[data-theme="dark"] {
  --primary-color: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: #1e293b;
  --secondary-color: #94a3b8;
  --bg-main: #0f172a;
  --bg-card: #1e293b;
  --bg-surface: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 0.875rem;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Navbar Style */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.5rem;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon-wrapper {
  width: 36px;
  height: 36px;
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.brand-text h1 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
}

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

.nav-tabs {
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  padding: 0.45rem 0.9rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s;
}

.nav-tab:hover {
  background-color: var(--bg-surface);
  color: var(--text-main);
}

.nav-tab.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 600;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.6rem;
  background-color: var(--bg-surface);
  border-radius: 9999px;
}

.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

.user-details {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
}

/* Views & Main Layout */
.main-container {
  flex: 1;
  padding: 1.25rem 1.5rem;
}

.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
}

/* Toolbar Controls */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-box {
  position: relative;
  width: 320px;
}

.search-box input {
  width: 100%;
  padding: 0.45rem 0.75rem 0.45rem 2.2rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-size: 0.85rem;
}

.search-box .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  color: var(--text-muted);
}

.filter-group select {
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-size: 0.825rem;
}

/* DataGrid Table Container */
.table-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
  max-height: calc(100vh - 210px);
}

.datagrid-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.825rem;
  text-align: left;
}

.datagrid-table th, .datagrid-table td {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  white-space: nowrap;
}

.datagrid-table th {
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
  user-select: none;
}

/* Visual Group Header Differentiation */
th.th-group-status { background-color: #e0f2fe; color: #0369a1; }
th.th-group-wd { background-color: #fef3c7; color: #b45309; }
th.th-group-info { background-color: #f3e8ff; color: #6b21a8; }
th.th-group-type { background-color: #dcfce7; color: #15803d; }
th.th-group-remark { background-color: #fce7f3; color: #be185d; }
th.th-group-fae { background-color: #e0e7ff; color: #4338ca; }
th.th-group-inspect { background-color: #fee2e2; color: #b91c1c; }

[data-theme="dark"] th.th-group-status { background-color: #0c4a6e; color: #e0f2fe; }
[data-theme="dark"] th.th-group-wd { background-color: #78350f; color: #fef3c7; }
[data-theme="dark"] th.th-group-info { background-color: #581c87; color: #f3e8ff; }
[data-theme="dark"] th.th-group-type { background-color: #14532d; color: #dcfce7; }
[data-theme="dark"] th.th-group-remark { background-color: #831843; color: #fce7f3; }
[data-theme="dark"] th.th-group-fae { background-color: #312e81; color: #e0e7ff; }
[data-theme="dark"] th.th-group-inspect { background-color: #7f1d1d; color: #fee2e2; }

.datagrid-table tbody tr:hover {
  background-color: var(--primary-light);
}

/* Editable Cell Highlight */
.cell-editable {
  cursor: pointer;
  transition: background-color 0.15s;
}

.cell-editable:hover {
  background-color: rgba(37, 99, 235, 0.08);
  outline: 1px dashed var(--primary-color);
}

.cell-editable.cell-active {
  background-color: var(--primary-light) !important;
  outline: 2px solid var(--primary-color) !important;
}

/* Real-Time Multi-User Pulse Highlight Effect for Remote Cell Update */
@keyframes remoteUpdatePulse {
  0% { background-color: #fef08a; transform: scale(1.02); }
  50% { background-color: #fde047; }
  100% { background-color: transparent; transform: scale(1); }
}

.cell-remote-updated {
  animation: remoteUpdatePulse 1.8s ease-out;
  outline: 2px solid #eab308 !important;
}

/* Multi-User Live Toast Notifications */
#toastContainer {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 360px;
  background-color: var(--bg-card);
  border-left: 4px solid var(--primary-color);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  animation: toastIn 0.25s ease-out;
  font-size: 0.8rem;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-icon {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-top: 0.1rem;
}

.toast-content { flex: 1; }
.toast-title { font-weight: 600; color: var(--text-main); margin-bottom: 0.15rem; }
.toast-msg { color: var(--text-muted); font-size: 0.75rem; }

/* Clean Column Foldable Styling */
.col-wd-collapsed {
  display: none !important;
}

/* Fixed Position Bulletproof Floating Cell Popover Editor */
.cell-editor-popover {
  position: fixed !important;
  z-index: 9999;
  width: 290px;
  background-color: var(--bg-card);
  border: 1px solid var(--primary-color);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.25);
  display: none;
  flex-direction: column;
  animation: popoverFadeIn 0.15s ease-out;
}

.cell-editor-popover.active {
  display: flex;
}

@keyframes popoverFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  background-color: var(--primary-light);
  border-bottom: 1px solid var(--border-color);
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

.popover-header span {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--primary-color);
}

.popover-close {
  background: transparent;
  border: none;
  font-size: 1.1rem;
  color: var(--text-muted);
  cursor: pointer;
}

.popover-body {
  padding: 0.75rem;
}

.popover-body input, .popover-body select, .popover-body textarea {
  width: 100%;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
}

.popover-body input:focus, .popover-body select:focus, .popover-body textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.popover-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

/* Footer & Status */
.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.inline-edit-tip {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--primary-color);
  font-weight: 500;
}

.saved-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--success-color);
}

/* Badges & Buttons */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.725rem;
  font-weight: 500;
}
.badge-admin { background-color: #e0e7ff; color: #3730a3; }
.badge-engineer { background-color: #dbeafe; color: #1e40af; }
.badge-success { background-color: #d1fae5; color: #065f46; }
.badge-danger { background-color: #fee2e2; color: #991b1b; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.825rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
}

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }
.btn-xs { padding: 0.2rem 0.45rem; font-size: 0.725rem; }

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

.btn-secondary { background-color: var(--bg-surface); color: var(--text-main); border-color: var(--border-color); }
.btn-secondary:hover { background-color: var(--border-color); }

.btn-outline { background: transparent; border-color: var(--border-color); color: var(--text-main); }
.btn-outline:hover { background-color: var(--bg-surface); }

.btn-danger-soft { background-color: #fee2e2; color: #b91c1c; }
.btn-danger-soft:hover { background-color: #fca5a5; }

.btn-block { width: 100%; justify-content: center; }

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-md);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
}

/* Mandatory Auth Modal Guard (Enforce Login) */
.modal.modal-mandatory {
  background-color: rgba(15, 23, 42, 0.85) !important;
  backdrop-filter: blur(8px) !important;
}
.modal.modal-mandatory .modal-close {
  display: none !important;
}

/* Modals */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}
.modal.active { display: flex; }

.modal-content {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}
.modal-lg { max-width: 780px; }
.modal-sm { max-width: 420px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.modal-header h3 { font-size: 1rem; font-weight: 600; }
.modal-close { background: transparent; border: none; font-size: 1.25rem; cursor: pointer; color: var(--text-muted); }

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  flex: 1;
}

.grid-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}
.full-width { grid-column: span 2; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.form-group label { font-size: 0.8rem; font-weight: 500; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.85rem;
}

/* Options Cards & Audit Logs */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.option-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  box-shadow: var(--shadow-sm);
}
.option-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-color);
}
.option-card-title { font-weight: 600; font-size: 0.85rem; }
.option-item-list { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.option-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.5rem;
  background-color: var(--bg-surface);
  border-radius: var(--radius-sm);
  font-size: 0.775rem;
}
.option-tag-remove, .option-tag-edit { cursor: pointer; color: var(--text-muted); font-size: 0.7rem; }
.option-tag-remove:hover { color: var(--danger-color); }
.option-tag-edit:hover { color: var(--primary-color); }

.audit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}
.audit-table th, .audit-table td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border-color);
  line-height: 1.35;
}
.audit-table th { background-color: var(--bg-surface); font-weight: 600; }
.log-details-text {
  max-width: 480px;
  white-space: normal;
  word-break: break-all;
}
.log-details-code {
  font-family: 'Fira Code', monospace;
  font-size: 0.725rem;
  background-color: var(--bg-surface);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  max-width: 380px;
  overflow-x: auto;
  white-space: nowrap;
}

/* Hierarchical Tree View & Permission Switch */
.org-tree-hierarchy-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.tree-dept-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.tree-dept-header {
  padding: 0.75rem 1.25rem;
  background-color: var(--primary-light);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tree-dept-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tree-member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.75rem;
  padding: 1rem;
}

.tree-member-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  background-color: var(--bg-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: all 0.15s;
}

.tree-member-card.unauthorized {
  opacity: 0.6;
  background-color: #fee2e2;
  border-color: #fca5a5;
}

/* User Authorization Switch Toggle */
.auth-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 22px;
}

.auth-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.auth-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #cbd5e1;
  transition: .25s;
  border-radius: 22px;
}

.auth-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .25s;
  border-radius: 50%;
}

input:checked + .auth-slider {
  background-color: var(--success-color);
}

input:checked + .auth-slider:before {
  transform: translateX(22px);
}

.loading-td {
  text-align: center;
  padding: 2.5rem !important;
  color: var(--text-muted);
}

/* Windows Active Directory MMC Console Style Layout */
.ad-toolbar-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-card);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  gap: 1rem;
}

.ad-search-box {
  position: relative;
  flex: 1;
  max-width: 550px;
}

.ad-search-box .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.ad-search-box input {
  width: 100%;
  padding: 0.55rem 0.85rem 0.55rem 2.35rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.875rem;
  transition: all 0.2s;
}

.ad-search-box input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.ad-toolbar-stats {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.ad-mmc-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1rem;
  min-height: 620px;
}

.ad-tree-sidebar {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.ad-sidebar-header {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary-color);
  padding-bottom: 0.65rem;
  margin-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.ad-directory-tree {
  flex: 1;
  overflow-y: auto;
  max-height: 600px;
}

.ad-tree-node {
  margin-left: 0.75rem;
}

.ad-tree-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.835rem;
  color: var(--text-main);
  user-select: none;
  transition: all 0.15s;
}

.ad-tree-item:hover {
  background-color: var(--bg-surface);
  color: var(--primary-color);
}

.ad-tree-item.active {
  background-color: #e0e7ff;
  color: var(--primary-color);
  font-weight: 600;
}

.ad-tree-item .folder-icon {
  color: #f59e0b;
}

.ad-tree-item .badge-count {
  margin-left: auto;
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
}

.ad-tree-content {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

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

.ad-breadcrumb {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.ad-dept-batch-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-surface);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.ad-member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.85rem;
  overflow-y: auto;
  max-height: 520px;
  padding-right: 0.35rem;
}

.ad-user-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.95rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.ad-user-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.ad-user-card.unauthorized {
  opacity: 0.65;
  background-color: #fef2f2;
  border-color: #fca5a5;
}

.ad-user-card .user-info-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ad-user-card .user-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-main);
}

.ad-user-card .user-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Sub-tabs Sheet styling */
.sub-tab-group .sub-tab {
  border-bottom: 2px solid transparent !important;
  border-radius: 0 !important;
  color: var(--text-muted) !important;
  background: transparent !important;
  border: none !important;
}
.sub-tab-group .sub-tab:hover {
  color: var(--text-main) !important;
}
.sub-tab-group .sub-tab.active {
  color: var(--primary-color) !important;
  border-bottom: 2px solid var(--primary-color) !important;
}

/* Checkbox List for Data Options */
.checkbox-user-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.checkbox-user-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-size: 0.825rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}
.checkbox-user-item:last-child {
  border-bottom: none;
}
.checkbox-user-item:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}
.checkbox-user-item input[type="checkbox"] {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

/* ==========================================
   Responsive Web Design (RWD) Media Queries
   ========================================== */
@media (max-width: 768px) {
  /* 1. 全域排版與主容器 */
  #app {
    padding: 0.5rem;
  }
  
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem;
  }
  
  .header-actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  /* 2. 搜尋/篩選欄 (Filter Bar) 堆疊與自適應 */
  .filter-bar {
    padding: 0.75rem !important;
    gap: 0.5rem !important;
  }

  /* 讓搜尋表單在小螢幕下自適應排列 */
  .filter-bar form,
  .filter-bar div {
    flex-wrap: wrap;
    width: 100%;
    gap: 0.5rem !important;
  }
  
  .filter-bar input[type="text"],
  .filter-bar select {
    flex: 1 1 120px !important; /* 彈性寬度最小 120px */
    width: auto !important;
    font-size: 0.85rem;
  }

  .filter-bar button {
    flex: 1 1 auto;
    font-size: 0.85rem;
    padding: 0.45rem 0.75rem !important;
    justify-content: center;
  }

  /* 3. 工作紀錄表格與操作日誌 (Responsive Table) */
  .table-card {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
  }

  .audit-table,
  .datagrid-table {
    min-width: 1300px; /* 強制設定表格最小寬度以維持橫向滑動排版 */
  }

  /* 在小螢幕下，固定第一欄 ID 以方便比對 */
  .datagrid-table th.th-col-id,
  .datagrid-table td:nth-child(1) {
    position: sticky;
    left: 0;
    z-index: 10;
    background-color: var(--bg-surface) !important;
    box-shadow: 2px 0 5px rgba(0,0,0,0.08);
  }
  
  /* 4. 後台 Data 設定卡片自適應 */
  .data-options-grid {
    grid-template-columns: 1fr !important; /* 強制堆疊成單列 */
    gap: 1rem !important;
  }

  /* 5. 對話框 (Modals) 與彈出表單 */
  .modal-content {
    width: 95% !important;
    max-height: 92vh !important;
    margin: auto;
  }

  .grid-form {
    grid-template-columns: 1fr !important; /* 表單元素強制單列堆疊 */
    gap: 0.65rem !important;
  }

  .full-width {
    grid-column: span 1 !important;
  }

  .modal-header {
    padding: 0.75rem 1rem !important;
  }

  .modal-body {
    padding: 1rem !important;
  }
  
  /* 頁碼控制自適應 */
  .pagination-container {
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch !important;
    text-align: center;
  }
  
  .pagination-container .btn-group {
    justify-content: center;
  }
}