/* ========== Admin Layout ========== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* ========== Sidebar ========== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-base);
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  height: var(--header-height);
  padding: 0 var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
}
.sidebar-logo-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: #fff;
}
.sidebar-logo-version {
  font-size: 10px;
  color: var(--text-sidebar);
  background: var(--bg-sidebar-hover);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  margin-left: auto;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-md) var(--space-sm);
  overflow-y: auto;
}
.sidebar-section-label {
  padding: var(--space-sm) var(--space-md);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-sidebar);
  opacity: 0.5;
  margin-top: var(--space-md);
}
.sidebar-section-label:first-child {
  margin-top: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 16px;
  margin: 2px 0;
  color: var(--text-sidebar);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
}
.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
}
.nav-item.active {
  background: var(--bg-sidebar-active);
  color: var(--text-sidebar-active);
}
.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.nav-item .nav-badge {
  margin-left: auto;
  background: rgba(255,255,255,0.15);
  color: var(--text-sidebar);
  padding: 1px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
}
.nav-item.active .nav-badge {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

.sidebar-footer {
  padding: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.sidebar-user:hover {
  background: var(--bg-sidebar-hover);
}
.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 600;
}
.sidebar-user-info {
  flex: 1;
  min-width: 0;
}
.sidebar-user-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: #fff;
}
.sidebar-user-role {
  font-size: var(--font-size-xs);
  color: var(--text-sidebar);
}
.sidebar-logout {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm);
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-sidebar);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.sidebar-logout:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}
.sidebar-logout svg {
  flex-shrink: 0;
}

/* ========== Main Content ========== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-secondary);
}

/* ========== Header ========== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--space-lg);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-primary);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.header-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  border: 1px solid var(--border-primary);
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.header-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.header-toggle:active {
  transform: scale(0.95);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}
.breadcrumb a {
  color: var(--text-secondary);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb span {
  color: var(--text-primary);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.header-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.header-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ========== Page Content ========== */
.page-content {
  padding: var(--space-lg);
}
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}
.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
}
.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ========== Stats Cards ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon svg {
  width: 22px;
  height: 22px;
}
.stat-icon-blue { background: var(--color-primary-light); color: var(--color-primary); }
.stat-icon-green { background: var(--color-success-light); color: var(--color-success); }
.stat-icon-yellow { background: var(--color-warning-light); color: var(--color-warning); }
.stat-icon-purple { background: var(--color-info-light); color: var(--color-info); }

.stat-info { flex: 1; min-width: 0; }
.stat-label { font-size: var(--font-size-sm); color: var(--text-secondary); margin-bottom: 4px; }
.stat-value { font-size: var(--font-size-2xl); font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.stat-change {
  font-size: var(--font-size-xs);
  margin-top: 4px;
}
.stat-change.up { color: var(--color-success); }
.stat-change.down { color: var(--color-danger); }

/* ========== Action Bar ========== */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.action-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.action-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.search-box {
  position: relative;
}
.search-box input {
  padding: 8px 12px 8px 36px;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast);
  width: 240px;
}
.search-box input:focus {
  border-color: var(--color-primary);
}
.search-box svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
}

/* ========== Custom Select Component ========== */
.custom-select {
  position: relative;
  display: inline-block;
  min-width: 140px;
}
.custom-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  text-align: left;
  line-height: 1.4;
  min-height: 36px;
}
.custom-select-trigger:hover {
  border-color: var(--color-primary);
  background: var(--bg-card);
}
.custom-select-trigger.open {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.custom-select-trigger.placeholder {
  color: var(--text-tertiary);
}
.custom-select-value {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.custom-select-arrow {
  width: 14px;
  height: 14px;
  color: var(--text-tertiary);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.custom-select-trigger.open .custom-select-arrow {
  transform: rotate(180deg);
}
.custom-select-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  max-height: 280px;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  padding: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}
.custom-select-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.custom-select-dropdown.right-align {
  left: auto;
  right: 0;
}
.custom-select-option {
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.custom-select-option:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.custom-select-option.selected {
  background: var(--color-primary);
  color: #fff;
}
.custom-select-option.selected:hover {
  background: var(--color-primary-hover);
}
/* custom select scrollbar */
.custom-select-dropdown::-webkit-scrollbar {
  width: 5px;
}
.custom-select-dropdown::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: var(--radius-full);
}
.custom-select-dropdown::-webkit-scrollbar-track {
  background: transparent;
}
.custom-select-dropdown {
  scrollbar-width: thin;
  scrollbar-color: var(--border-secondary) transparent;
}

/* Dark theme */
[data-theme="dark"] .custom-select-trigger {
  background: var(--bg-input);
}
[data-theme="dark"] .custom-select-trigger:hover {
  background: var(--bg-tertiary);
}
[data-theme="dark"] .custom-select-option:hover {
  background: var(--color-primary-light);
}

/* ========== Login Page ========== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  padding: var(--space-md);
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: var(--space-xl);
}
.login-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.login-logo {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: #fff;
  font-size: 28px;
  font-weight: 700;
}
.login-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
}
.login-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: 4px;
}
.login-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--space-lg);
}
.login-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.login-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}
.login-form {
  display: block;
}
.login-form.hidden {
  display: none;
}
.login-form .btn {
  width: 100%;
  margin-top: var(--space-sm);
}
.login-footer {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}



/* ========== Password Grid ========== */
.password-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

/* ========== Settings Page ========== */
.settings-section {
  margin-bottom: var(--space-xl);
}
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
.settings-grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.settings-section-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-primary);
}
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-primary);
}
.settings-row:last-child {
  border-bottom: none;
}
.settings-row-label {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: 500;
}
.settings-row-desc {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  cursor: pointer;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition-base);
}
.toggle-switch input:checked + .toggle-slider {
  background: var(--color-primary);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ========== Dashboard Charts ========== */
.chart-placeholder {
  width: 100%;
  height: 260px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

/* ========== Recent Activity ========== */
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-primary);
}
.activity-item:last-child {
  border-bottom: none;
}
.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}
.activity-dot-blue { background: var(--color-primary); }
.activity-dot-green { background: var(--color-success); }
.activity-dot-yellow { background: var(--color-warning); }
.activity-dot-red { background: var(--color-danger); }

.activity-content {
  flex: 1;
  min-width: 0;
}
.activity-text {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}
.activity-time {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ========== Confirm Dialog ========== */
.confirm-dialog .modal {
  max-width: 400px;
  text-align: center;
}
.confirm-dialog .modal-body {
  padding: var(--space-xl);
}
.confirm-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.confirm-icon-danger {
  background: var(--color-danger-light);
  color: var(--color-danger);
}
.confirm-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.confirm-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}
.confirm-dialog .modal-footer {
  justify-content: center;
  gap: var(--space-md);
}

/* ========== Inline Actions ========== */
.action-btns {
  display: flex;
  align-items: center;
  gap: 4px;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.action-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.action-btn-edit:hover { color: var(--color-primary); background: var(--color-primary-light); }
.action-btn-delete:hover { color: var(--color-danger); background: var(--color-danger-light); }
.action-btn-approve:hover { color: var(--color-success); background: var(--color-success-light); }
.action-btn-reject:hover { color: var(--color-danger); background: var(--color-danger-light); }
.action-btn svg {
  width: 16px;
  height: 16px;
}

/* ========== Pagination ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: var(--space-lg);
}
.pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.pagination-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.pagination-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========== Form Row ========== */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* ========== Avatar upload placeholder ========== */
.avatar-upload {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.avatar-preview {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 600;
}
.avatar-preview img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
}
.avatar-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.avatar-actions .btn {
  width: fit-content;
}
.avatar-hint {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ========== Image upload ========== */
.image-upload {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}
.image-preview {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border-primary);
  flex-shrink: 0;
}
.image-preview img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  object-fit: contain;
}
.image-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.image-upload-btn {
  cursor: pointer;
}
.image-file-input {
  display: none;
}
.image-hint {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ========== Link Avatar ========== */
.link-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--bg-tertiary);
}

/* ========== Admin Sidebar Overlay (Mobile / Tablet) ========== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 90;
  -webkit-tap-highlight-color: transparent;
}
.sidebar-overlay.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

body.admin-sidebar-open {
  overflow: hidden;
  touch-action: none;
}

/* ========================================================
   Admin Responsive - iPad landscape & Tablet (~1024px)
   ======================================================== */
@media (max-width: 1024px) {
  .sidebar {
    width: 85vw;
    max-width: 320px;
    min-width: 260px;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
  }
  .sidebar.open {
    transform: translateX(0);
  }

  .header-toggle {
    display: flex;
  }

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

  .header {
    padding-left: max(var(--space-md), env(safe-area-inset-left, 0));
    padding-right: max(var(--space-md), env(safe-area-inset-right, 0));
  }

  .page-content {
    padding-left: max(var(--space-lg), env(safe-area-inset-left, 0));
    padding-right: max(var(--space-lg), env(safe-area-inset-right, 0));
  }
}

/* ========================================================
   Admin Responsive - iPad portrait & Mobile (~768px)
   ======================================================== */
@media (max-width: 768px) {
  /* --- Header compact --- */
  .card-header {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  .header {
    padding-top: 0;
    padding-bottom: 0;
    padding-left: max(var(--space-md), env(safe-area-inset-left, 0));
    padding-right: max(var(--space-md), env(safe-area-inset-right, 0));
    height: var(--header-height);
  }
  .header-left {
    gap: var(--space-sm);
    flex: 1;
    min-width: 0;
  }
  .header-right {
    gap: var(--space-xs);
  }
  .header-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
  }

  /* --- Breadcrumb --- */
  .breadcrumb {
    font-size: 12px;
    gap: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* --- Page content --- */
  .page-content {
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
    padding-left: max(var(--space-md), env(safe-area-inset-left, 0));
    padding-right: max(var(--space-md), env(safe-area-inset-right, 0));
  }
  .page-header {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
  }
  .page-title {
    font-size: var(--font-size-xl);
  }

  /* --- Stats grid: 2 columns --- */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
  }
  .stat-card {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  .stat-icon {
    width: 40px;
    height: 40px;
  }
  .stat-icon svg {
    width: 20px;
    height: 20px;
  }
  .stat-value {
    font-size: var(--font-size-xl);
  }

  /* --- Action bar --- */
  .action-bar {
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    margin-top: var(--space-md);
  }
  .action-bar-left,
  .action-bar-right {
    gap: var(--space-xs);
    flex-wrap: wrap;
  }
  .search-box input {
    width: 160px;
    min-height: 40px;
    font-size: 14px;
  }

  /* --- Password grid: 2 columns --- */
  .password-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  /* --- Settings grid: 1 column --- */
  .settings-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-top: var(--space-md);
  }
  .settings-grid-three {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  .settings-section {
    margin-bottom: var(--space-lg);
  }
  .settings-row {
    padding: var(--space-sm) 0;
    gap: var(--space-sm);
    flex-wrap: wrap;
    align-items: flex-start;
  }

  /* --- Form row: 1 column --- */
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  /* --- Buttons/inputs touch friendly --- */
  .btn,
  button {
    min-height: 40px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  input,
  textarea,
  select {
    min-height: 44px;
    font-size: 16px !important;
    -webkit-text-size-adjust: 100%;
  }

  /* --- Custom select --- */
  .custom-select-trigger {
    min-height: 40px;
  }
  .custom-select-option {
    padding: 10px 12px;
    min-height: 40px;
    display: flex;
    align-items: center;
  }

  /* --- Pagination --- */
  .pagination-btn {
    min-width: 38px;
    height: 38px;
    min-height: 38px;
  }

  /* --- Action buttons --- */
  .action-btn {
    width: 34px;
    height: 34px;
    min-width: 34px;
    min-height: 34px;
  }
  .action-btn svg {
    width: 15px;
    height: 15px;
  }

  /* --- Table: enable horizontal scroll --- */
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  th, td {
    padding: 10px 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  /* --- Modal: bottom sheet style --- */
  .modal-overlay {
    align-items: flex-end;
    justify-content: center;
  }
  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    animation: slideUpModal 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  @keyframes slideUpModal {
    from { transform: translateY(100%); opacity: 1; }
    to { transform: translateY(0); opacity: 1; }
  }
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--space-md);
  }
  .modal-footer {
    flex-direction: column-reverse;
    gap: var(--space-sm);
  }
  .modal-footer .btn {
    width: 100%;
  }

  /* --- Toast --- */
  .toast-container {
    top: auto;
    bottom: 20px;
    left: 16px;
    right: 16px;
    gap: var(--space-xs);
  }
  .toast {
    min-width: auto;
    width: 100%;
    box-sizing: border-box;
  }

  /* --- Login page --- */
  .login-page {
    padding: var(--space-md);
  }
  .login-card {
    padding: var(--space-xl) var(--space-lg);
  }

  /* --- Toggle switch --- */
  .toggle-switch {
    width: 48px;
    height: 28px;
    flex-shrink: 0;
  }
  .toggle-slider::before {
    width: 22px;
    height: 22px;
  }
  .toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
  }
}

/* ========================================================
   Admin Responsive - Small Mobile phones (~480px)
   ======================================================== */
@media (max-width: 480px) {
  /* --- Header even tighter --- */
  .header {
    padding-top: 0;
    padding-bottom: 0;
    padding-left: max(var(--space-sm), env(safe-area-inset-left, 0));
    padding-right: max(var(--space-sm), env(safe-area-inset-right, 0));
  }
  .breadcrumb {
    display: none;
  }

  /* --- Page content tight padding --- */
  .page-content {
    padding-top: var(--space-sm);
    padding-bottom: var(--space-sm);
    padding-left: max(var(--space-sm), env(safe-area-inset-left, 0));
    padding-right: max(var(--space-sm), env(safe-area-inset-right, 0));
  }
  .page-title {
    font-size: var(--font-size-lg);
  }
  .page-subtitle {
    font-size: 12px;
  }

  /* --- Stats grid: 1 column --- */
  .stats-grid {
    grid-template-rows: repeat(2, 1fr);
    gap: var(--space-sm);
  }
  .stat-card {
    padding: var(--space-sm);
  }

  /* --- Page header button full width --- */
  .page-header > .btn,
  .page-header > div:last-child .btn {
    /* width: 100%; */
  }

  /* --- Action bar stack vertically --- */
  .action-bar {
    flex-direction: row;
    align-items: stretch;
    gap: var(--space-xs);
  }
  .action-bar-left,
  .action-bar-right {
    justify-content: space-between;
  }
  .search-box {
    flex: 1;
  }
  .search-box input {
    box-sizing: border-box;
  }

  /* --- Password grid: 1 column --- */
  .password-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  /* --- Settings grid: 1 column --- */
  .settings-grid-three {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  /* --- Card / table compact --- */
  .card-header,
  .card-body {
    padding: var(--space-sm);
  }
  .card-header + .card-body {
    padding-top: var(--space-sm);
  }

  /* --- Table even more compact --- */
  th, td {
    padding: 8px 10px;
    font-size: 12px;
  }

  /* --- Pagination compact --- */
  .pagination {
    gap: 2px;
  }
  .pagination-btn {
    min-width: 34px;
    height: 34px;
    min-height: 34px;
    font-size: 12px;
    padding: 0 6px;
  }

  /* --- Avatar / Image upload --- */
  .avatar-upload,
  .image-upload {
    flex-direction: column;
    gap: var(--space-sm);
  }
  .avatar-actions,
  .image-actions {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  /* --- Login card --- */
  .login-card {
    padding: var(--space-lg) var(--space-md);
  }
  .login-title {
    font-size: var(--font-size-xl);
  }
  .login-logo {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  /* --- Toggle switch --- */
  .toggle-switch {
    width: 44px;
    height: 26px;
  }
  .toggle-slider::before {
    width: 20px;
    height: 20px;
  }
  .toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(18px);
  }
}

/* ========================================================
   Admin Responsive - Extra small phones (~360px)
   ======================================================== */
@media (max-width: 360px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .header-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
  }
  .header-btn svg {
    width: 16px;
    height: 16px;
  }
  .action-bar-left .btn,
  .action-bar-right .btn {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* ========== Dashboard Trend Switch ========== */
.trend-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
}
.trend-switch button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: 4px 10px;
  border-radius: calc(var(--radius-md) - 2px);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.5;
  touch-action: manipulation;
}
.trend-switch button:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}
.trend-switch button.trend-switch-active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(59, 130, 246, 0.3);
}
.trend-switch button.trend-switch-active:hover {
  background: var(--color-primary);
  color: #fff;
  filter: brightness(1.05);
}

@media (max-width: 768px) {
  .trend-switch {
    gap: 1px;
    padding: 2px;
  }
  .trend-switch button {
    font-size: 11px;
    padding: 4px 8px;
  }
}

@media (max-width: 480px) {
  .trend-switch button {
    padding: 5px 7px;
    font-size: 11px;
  }
}

.dashboard-charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
}
.dashboard-charts-grid > * {
  min-width: 0 !important;
  max-width: 100% !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
.dashboard-trend-card {
  min-width: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  overflow: hidden;
}
.dashboard-trend-card .card-header,
.dashboard-trend-card .card-body {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
}
.dashboard-trend-body {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  overflow-x: hidden !important;
  overflow-y: visible !important;
}
#trend-chart {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  height: 260px !important;
  max-height: 260px !important;
  display: block !important;
  box-sizing: border-box !important;
}

@media (max-width: 1024px) {
  .dashboard-charts-grid {
    grid-template-columns: 1fr !important;
  }
}