/* ── Professional Admin Dashboard Styles ─────────────────── */

.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  background: var(--bg-primary);
}

@media (max-width: 900px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
}

/* ── Sidebar Navigation ──────────────────────────── */
.admin-sidebar {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-4);
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 50;
}

@media (max-width: 900px) {
  .admin-sidebar {
    height: auto;
    position: relative;
    padding: var(--space-4);
  }
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-6);
}

.sidebar-logo {
  font-size: 1.6rem;
}

.sidebar-title {
  font-size: var(--font-lg);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.sidebar-subtitle {
  font-size: var(--font-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  user-select: none;
}

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

.nav-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-light);
  border-color: var(--border-accent);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
}

.nav-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  color: var(--text-muted);
}

.sidebar-footer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ── Main Content Area ───────────────────────────── */
.admin-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

.admin-header {
  height: 68px;
  padding: 0 var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-title-group h1 {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.header-title-group p {
  font-size: var(--font-xs);
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.admin-body {
  padding: var(--space-8);
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* ── Tab Views ───────────────────────────────────── */
.tab-view {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

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

/* ── KPI & Stats Cards ───────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
}

.kpi-icon-wrap {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: var(--bg-glass);
}

.kpi-value {
  font-size: var(--font-3xl);
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.02em;
  margin: var(--space-1) 0;
}

.kpi-label {
  font-size: var(--font-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-trend {
  font-size: var(--font-xs);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.kpi-trend.positive { color: var(--success); }
.kpi-trend.neutral { color: var(--text-secondary); }

/* ── Toolbar & Action Header ─────────────────────── */
.view-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  min-width: 260px;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  padding-left: 2.5rem;
  height: 40px;
  font-size: var(--font-sm);
  border-radius: var(--radius-lg);
}

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.filter-btn {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-xs);
  font-weight: 500;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.filter-btn.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--accent);
  color: var(--accent-light);
}

/* ── Modals / Creation Dialogs ───────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal-overlay.visible,
.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease-out;
}

.modal-card {
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-xl), 0 0 40px rgba(99, 102, 241, 0.1);
  animation: scaleIn 0.25s ease-out;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.modal-title {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: var(--space-1);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* ── Form Inputs Inside Modals ── */
.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ── Toggles ── */
.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  display: inline-block;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition-base);
}

.toggle input:checked + .toggle-slider {
  background: rgba(16, 185, 129, 0.25);
  border-color: var(--success);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(18px);
  background: var(--success);
}

.toggle input:disabled + .toggle-slider {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Enhanced Tables ── */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  overflow-y: hidden;
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar for table containers */
.table-container::-webkit-scrollbar {
  height: 6px;
}

.table-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.table-container::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
}

.table-container::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}

table {
  width: 100%;
  min-width: 1100px;
  border-collapse: collapse;
  table-layout: auto;
}

th {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  text-align: left;
  font-size: var(--font-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  font-size: var(--font-sm);
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-success { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.badge-info { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.badge-purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }

.tfn-tag {
  font-family: 'Courier New', monospace;
  font-size: var(--font-xs);
  padding: 2px 6px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-light);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.agent-avatar-sm {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  margin-right: 8px;
  flex-shrink: 0;
}

/* ── CDR Report Filter Card (Flyzytrip Style) ────── */
.cdr-filter-card {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: white;
  margin-bottom: var(--space-6);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

.cdr-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.cdr-input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cdr-input-group label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
}

.cdr-input-group input,
.cdr-input-group select {
  height: 38px;
  background: white;
  color: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  font-size: var(--font-xs);
  font-weight: 500;
  outline: none;
}

.cdr-input-group input:focus,
.cdr-input-group select:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px rgba(147, 197, 253, 0.5);
}

.cdr-filter-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-3);
}

.btn-cdr-filter {
  background: #cbd5e1;
  color: #1e293b;
  font-weight: 700;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-cdr-filter:hover { background: #e2e8f0; }

.btn-cdr-csv {
  background: #10b981;
  color: white;
  font-weight: 700;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}
.btn-cdr-csv:hover { background: #059669; }

.cdr-results-count {
  font-size: var(--font-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

/* ── Supervisor / Extension Detail Card (Image 2) ── */
.supervisor-modal-box {
  background: #0284c7;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  color: white;
  max-width: 480px;
  width: 100%;
}

.supervisor-modal-header {
  background: #0f172a;
  padding: var(--space-3) var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: var(--font-sm);
}

.supervisor-modal-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sup-input-row {
  display: flex;
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  align-items: center;
}

.sup-icon-prefix {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ef4444;
  font-size: 1.1rem;
}

.sup-input-field {
  flex: 1;
  border: none;
  padding: 0 var(--space-3);
  font-size: var(--font-base);
  font-weight: 600;
  color: #1e293b;
  outline: none;
  background: transparent;
}

.sup-action-btn {
  background: #0d9488;
  border: none;
  color: white;
  padding: 0 var(--space-4);
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: opacity 0.2s;
}
.sup-action-btn:hover { opacity: 0.9; }

.sup-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.sup-field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sup-field-group label {
  font-size: var(--font-xs);
  font-weight: 700;
  color: white;
}

.sup-select {
  height: 42px;
  background: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  font-size: var(--font-sm);
  font-weight: 600;
  color: #1e293b;
  outline: none;
}

.supervisor-actions-bar {
  display: flex;
  justify-content: space-around;
  padding-top: var(--space-4);
  margin-top: var(--space-2);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.sup-action-circle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
}

.sup-circle-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: all var(--transition-fast);
}

.sup-action-circle:hover .sup-circle-icon {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.08);
}

.sup-action-label {
  font-size: var(--font-xs);
  font-weight: 600;
}

.overview-split-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: var(--space-6);
}

/* ── 14-Inch Laptop & Compact Display Optimizations (1366px / 1440px / 125% OS scaling) ── */
@media (max-width: 1440px) {
  .overview-split-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-4);
  }

  .admin-layout {
    grid-template-columns: 220px 1fr;
  }

  .admin-sidebar {
    padding: var(--space-4) var(--space-3);
  }

  .sidebar-header {
    padding: 0 var(--space-2) var(--space-4);
    margin-bottom: var(--space-4);
  }

  .sidebar-title {
    font-size: var(--font-base);
  }

  .nav-item {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-xs);
  }

  .nav-icon {
    font-size: 1.05rem;
    width: 20px;
  }

  .admin-header {
    height: 56px;
    padding: 0 var(--space-5);
  }

  .header-title-group h1 {
    font-size: var(--font-lg);
  }

  .admin-body {
    padding: var(--space-5);
    max-width: 100%;
  }

  .kpi-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-5);
  }

  .kpi-card {
    padding: var(--space-4) var(--space-4);
  }

  .kpi-value {
    font-size: var(--font-2xl);
  }

  .kpi-icon-wrap {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    top: var(--space-3);
    right: var(--space-3);
  }

  .view-toolbar {
    margin-bottom: var(--space-4);
    gap: var(--space-3);
  }

  .search-box {
    min-width: 200px;
  }

  table {
    min-width: 850px;
  }

  th, td {
    padding: 8px 12px;
    font-size: var(--font-xs);
  }

  .cdr-filter-card {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
  }

  .cdr-filter-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
  }

  .cdr-input-group input,
  .cdr-input-group select {
    height: 34px;
    font-size: 11px;
  }

  .modal-card {
    max-width: 480px;
    padding: var(--space-6);
    max-height: 88vh;
    overflow-y: auto;
  }

  .supervisor-modal-box {
    max-height: 88vh;
    overflow-y: auto;
  }
}

@media (max-height: 800px) {
  .modal-card,
  .supervisor-modal-box {
    max-height: 90vh;
    overflow-y: auto;
  }

  .modal-card::-webkit-scrollbar,
  .supervisor-modal-box::-webkit-scrollbar {
    width: 4px;
  }

  .modal-card::-webkit-scrollbar-thumb,
  .supervisor-modal-box::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
  }
}

/* ── Toast Notifications System ───────────────────── */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast-msg {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 0 15px rgba(99, 102, 241, 0.2);
  backdrop-filter: blur(16px);
  animation: toastSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.toast-msg.success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.9) 0%, rgba(5, 150, 105, 0.9) 100%);
  border-color: rgba(52, 211, 153, 0.4);
}

.toast-msg.error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.9) 0%, rgba(185, 28, 28, 0.9) 100%);
  border-color: rgba(248, 113, 113, 0.4);
}

.toast-msg.info {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(79, 70, 229, 0.9) 100%);
  border-color: rgba(165, 180, 252, 0.4);
}

.toast-msg.fade-out {
  animation: toastSlideOut 0.3s ease forwards;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(50px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastSlideOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to { opacity: 0; transform: translateX(50px) scale(0.95); }
}

/* ── Modern Table Row & Action Enhancements ─────── */
.table tbody tr {
  transition: all 0.2s ease;
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04) !important;
  transform: translateY(-1px);
}

.btn-action-delete {
  background: rgba(239, 68, 68, 0.12) !important;
  color: #f87171 !important;
  border: 1px solid rgba(239, 68, 68, 0.25) !important;
  border-radius: 8px !important;
  padding: 4px 10px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  transition: all 0.2s ease !important;
}

.btn-action-delete:hover {
  background: rgba(239, 68, 68, 0.8) !important;
  color: #ffffff !important;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.4) !important;
}

.btn-action-control {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
  color: #ffffff !important;
  border: none !important;
  border-radius: 8px !important;
  padding: 4px 10px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3) !important;
  transition: all 0.2s ease !important;
}

.btn-action-control:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.5) !important;
}

/* ── Custom Confirmation Modal Icon Badge ───────── */
.confirm-icon-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 8px;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
}

/* ═════════════════════════════════════════════════════════════════ */
/* 📱 RESPONSIVE MEDIA QUERIES (MOBILE, TABLET, LAPTOP, DESKTOP)     */
/* ═════════════════════════════════════════════════════════════════ */

/* Mobile Backdrop Overlay */
.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-backdrop.active {
  display: block;
  opacity: 1;
}

.mobile-nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  font-size: 20px;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: 12px;
}

/* 💻 Large Screens & Laptops (1024px - 1280px) */
@media (max-width: 1280px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .overview-row {
    grid-template-columns: 1fr;
  }
}

/* 📱 Tablets & Mobile Screens (< 1024px) */
@media (max-width: 1024px) {
  .mobile-nav-toggle {
    display: inline-flex;
  }

  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 260px;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.5);
  }

  .admin-sidebar.open {
    transform: translateX(280px);
  }

  .admin-main {
    width: 100%;
  }

  .admin-header {
    padding: 12px 16px;
  }

  .admin-body {
    padding: 16px;
  }

  .view-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .view-toolbar .search-box {
    width: 100%;
  }

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

  .cdr-filter-card {
    padding: 16px;
  }

  .cdr-filter-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .cdr-filter-actions {
    flex-direction: column;
    width: 100%;
  }

  .cdr-filter-actions button {
    width: 100%;
  }
}

/* 📱 Small Mobile Devices (< 640px) */
@media (max-width: 640px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .header-title-group h1 {
    font-size: 1.25rem;
  }

  .header-title-group p {
    font-size: 0.75rem;
  }

  .modal-card, .supervisor-modal-box {
    width: 95vw !important;
    max-width: 95vw !important;
    padding: 16px !important;
    margin: 10px !important;
  }

  .table-container {
    border-radius: 8px;
    margin: 0 -4px;
    width: calc(100% + 8px);
  }

  table th, table td {
    padding: 8px 10px;
    font-size: 11px;
  }
}

/* ── Glassmorphic Cards Grid View ───────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.entity-card {
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-4);
}

.entity-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.2);
  transform: translateY(-2px);
}

.entity-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--space-3);
}

.entity-card-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.entity-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--font-sm);
}

.entity-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
}

.entity-card-label {
  font-size: var(--font-xs);
  color: var(--text-muted);
}

.entity-card-value {
  font-weight: 600;
  color: var(--text-primary);
  font-family: monospace;
}

.entity-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
  gap: 8px;
}