body.admin { background: var(--color-bg-admin); display: flex; min-height: 100vh; }

.admin-sidebar { width: var(--sidebar-w); background: var(--color-primary-dark); color: rgba(255,252,248,0.85); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 200; }
.admin-sidebar-brand { padding: var(--space-lg); border-bottom: 1px solid rgba(255,255,255,0.1); }
.admin-sidebar-brand h2 { font-family: var(--font-display); font-size: 18px; color: #fff; display: flex; align-items: center; gap: var(--space-sm); }
.admin-sidebar-brand small { display: block; font-size: 11px; color: rgba(255,252,248,0.5); margin-top: 2px; font-weight: 400; }
.admin-nav { flex: 1; padding: var(--space-md) 0; overflow-y: auto; }
.admin-nav-section { padding: var(--space-sm) var(--space-lg); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,252,248,0.35); margin-top: var(--space-sm); }
.admin-nav a { display: flex; align-items: center; gap: var(--space-sm); padding: 10px var(--space-lg); color: rgba(255,252,248,0.7); text-decoration: none; font-weight: 500; transition: all var(--transition); border-left: 3px solid transparent; }
.admin-nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.admin-nav a.active { background: rgba(255,255,255,0.12); color: #fff; border-left-color: var(--color-primary); }
.admin-nav a .nav-icon { width: 20px; text-align: center; font-size: 16px; }
.admin-sidebar-footer { padding: var(--space-md) var(--space-lg); border-top: 1px solid rgba(255,255,255,0.1); }
.admin-user-info { display: flex; align-items: center; gap: var(--space-sm); }
.admin-user-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: 14px; }
.admin-user-name { font-size: var(--fs-caption); font-weight: 600; color: #fff; }
.admin-user-role { font-size: 11px; color: rgba(255,252,248,0.5); }

.admin-main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.admin-topbar { height: var(--header-h); background: var(--color-surface); border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--space-lg); position: sticky; top: 0; z-index: 50; }
.admin-topbar-left { display: flex; align-items: center; gap: var(--space-md); min-width: 0; }
.admin-topbar h1 { font-size: var(--fs-h2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.admin-menu-toggle {
  display: none; width: 44px; height: 44px; border: 1.5px solid var(--color-border);
  background: var(--color-surface); border-radius: var(--radius-md); font-size: 20px; cursor: pointer; flex-shrink: 0;
}
.admin-sidebar-overlay {
  display: none; position: fixed; inset: 0; background: rgba(43,33,24,0.45); z-index: 199;
}
.admin-sidebar-overlay.open { display: block; }

.admin-nav a.nav-disabled { opacity: 0.45; pointer-events: none; cursor: default; }

.admin-module-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-md); margin-bottom: var(--space-xl);
}
.admin-module-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  padding: var(--space-md); background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); text-decoration: none; color: var(--color-text);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.admin-module-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--color-primary); color: var(--color-text); }
.admin-module-icon { font-size: 28px; }
.admin-module-label { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-body); }
.admin-module-desc { font-size: var(--fs-caption); color: var(--color-text-muted); line-height: 1.4; }
.admin-content { padding: var(--space-lg); flex: 1; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-md); margin-bottom: var(--space-lg); }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-lg); }
.stat-card-label { font-size: var(--fs-caption); color: var(--color-text-muted); font-weight: 500; }
.stat-card-value { font-family: var(--font-mono); font-size: 28px; font-weight: 500; line-height: 1.2; margin: 4px 0; }
.stat-card-change { font-size: var(--fs-caption); font-weight: 600; }
.stat-card-change.up { color: var(--color-secondary); }
.stat-card-change.down { color: var(--color-danger); }
.stat-card-icon { width: 40px; height: 40px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: var(--space-sm); }
.stat-card-icon.orange { background: rgba(242,115,29,0.12); }
.stat-card-icon.green  { background: rgba(76,139,74,0.12); }
.stat-card-icon.red    { background: rgba(214,69,69,0.12); }
.stat-card-icon.yellow { background: rgba(224,167,46,0.15); }

.alert-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.alert-item { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-md); border-radius: var(--radius-md); font-size: var(--fs-caption); }
.alert-item.warning { background: rgba(224,167,46,0.1); border: 1px solid rgba(224,167,46,0.3); color: #7A5800; }
.alert-item.danger { background: rgba(214,69,69,0.08); border: 1px solid rgba(214,69,69,0.25); color: var(--color-danger); }
.alert-item-icon { font-size: 18px; }
.alert-item-text { flex: 1; }

.page-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-lg); gap: var(--space-md); flex-wrap: wrap; }
.page-toolbar-filters { display: flex; align-items: center; gap: var(--space-sm); flex-wrap: wrap; }
.page-toolbar-filters .form-input, .page-toolbar-filters .form-select { width: auto; min-width: 160px; padding: 8px 12px; font-size: var(--fs-caption); }

.admin-login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--color-primary-dark), #8B3A0A); padding: var(--space-lg); }
.admin-login-card { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-xl); width: 100%; max-width: 420px; box-shadow: var(--shadow-lg); }
.admin-login-card h1 { text-align: center; margin-bottom: var(--space-xs); }
.admin-login-card .subtitle { text-align: center; color: var(--color-text-muted); font-size: var(--fs-caption); margin-bottom: var(--space-lg); }
.admin-login-logo { text-align: center; font-size: 48px; margin-bottom: var(--space-md); }

.amount-thu { color: var(--color-secondary); }
.amount-chi { color: var(--color-danger); }
.amount-balance { color: var(--color-text); font-weight: 600; }

.table-finance tfoot td { background: var(--color-bg-admin); font-weight: 600; }
.table-summary-row td { border-top: 2px solid var(--color-border); padding-top: 16px; }

.admin-tabs { display: flex; gap: var(--space-sm); margin-bottom: var(--space-md); flex-wrap: wrap; }
.admin-tab {
  padding: 10px 18px; border: 1.5px solid var(--color-border); background: var(--color-surface);
  border-radius: var(--radius-md); font-family: var(--font-body); font-size: var(--fs-caption);
  font-weight: 600; color: var(--color-text-muted); cursor: pointer; transition: all var(--transition);
}
.admin-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }
.admin-tab.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.admin-tab-panel { display: none; }
.admin-tab-panel.active { display: block; }

.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); margin-top: var(--space-lg); }
.summary-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.summary-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--color-border); font-size: var(--fs-caption); }
.summary-row.total { border-bottom: none; padding-top: var(--space-md); font-size: var(--fs-body); }

.admin-modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(43,33,24,0.5); z-index: 500;
  align-items: center; justify-content: center; padding: var(--space-md);
}
.admin-modal-overlay.open { display: flex; }
.admin-modal {
  background: var(--color-surface); border-radius: var(--radius-lg); width: 100%; max-width: 520px;
  max-height: 90vh; overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-lg);
}
.admin-modal-head { display: flex; align-items: center; justify-content: space-between; padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--color-border); }
.admin-modal-head h3 { font-size: var(--fs-h3); margin: 0; }
.admin-modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--color-text-muted); width: 36px; height: 36px; }
.admin-modal-body { padding: var(--space-lg); overflow-y: auto; flex: 1; }
.admin-modal-foot { display: flex; justify-content: flex-end; gap: var(--space-sm); padding: var(--space-md) var(--space-lg); border-top: 1px solid var(--color-border); }
.admin-toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 600; background: var(--color-text); color: #fff;
  padding: 12px 20px; border-radius: var(--radius-md); font-size: var(--fs-caption); font-weight: 600;
  opacity: 0; transform: translateY(12px); transition: all 0.25s ease; pointer-events: none;
}
.admin-toast.show { opacity: 1; transform: translateY(0); }
.admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.admin-form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .admin-form-grid { grid-template-columns: 1fr; } }

.search-dropdown { position: relative; }
.search-dropdown-wrap { position: relative; }
.search-dropdown-wrap .search-dropdown-icon {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  pointer-events: none; color: var(--color-text-muted); font-size: 14px;
}
.search-dropdown-input { padding-right: 36px; width: 100%; }
.search-dropdown-list {
  display: none; position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 10;
  max-height: 220px; overflow-y: auto; margin: 0; padding: 4px 0; list-style: none;
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
}
.search-dropdown-list.open { display: block; }
.search-dropdown-item {
  padding: 10px 14px; cursor: pointer; font-size: var(--fs-body);
  transition: background var(--transition);
}
.search-dropdown-item:hover, .search-dropdown-item.active { background: rgba(242,115,29,0.1); color: var(--color-primary-dark); }
.search-dropdown-empty { padding: 12px 14px; color: var(--color-text-muted); font-size: var(--fs-caption); }
.search-dropdown-selected {
  margin-top: 6px; font-size: var(--fs-caption); color: var(--color-success);
}
.form-input:disabled, .form-input[readonly] {
  background: var(--color-bg-admin, #f5f5f5);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.85;
}
.search-dropdown-new { color: var(--color-primary-dark); font-weight: 600; }
.customer-new-name { margin-top: 10px; }

@media (max-width: 900px) {
  .admin-menu-toggle { display: flex; align-items: center; justify-content: center; }
  .admin-sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .report-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr !important; }
  .page-toolbar { flex-direction: column; align-items: stretch; }
  .page-toolbar-filters { flex-direction: column; }
  .page-toolbar-filters .form-input, .page-toolbar-filters .form-select { width: 100%; min-width: 0; }
  .admin-module-grid { grid-template-columns: repeat(2, 1fr); }
}