:root { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { margin: 0; background: var(--mud-palette-background); color: var(--mud-palette-text-primary); }
.brand-title { margin-left: 10px; font-weight: 700; letter-spacing: -.02em; }
.brand-title span { color: var(--mud-palette-text-secondary); font-weight: 400; }
.nav-brand { display: flex; align-items: center; gap: 12px; padding: 22px 18px 18px; border-bottom: 1px solid var(--mud-palette-divider); }
.nav-brand div { display: grid; gap: 1px; }
.nav-brand-mark { flex: none; width: 40px; height: 40px; border-radius: 10px; }
.login-mark { display: block; width: 56px; height: 56px; border-radius: 14px; }
.nav-brand small { color: var(--mud-palette-text-secondary); }
.side-nav { padding: 12px; }
.nested-nav { padding-left: 30px !important; }
.admin-main { min-height: 100vh; }
.admin-content { max-width: 1440px; padding: 32px clamp(18px, 3vw, 44px); margin: auto; }
.page-title { margin-bottom: 7px; font-weight: 700 !important; letter-spacing: -.03em; }
.page-subtitle { margin-bottom: 24px; }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.heading-actions { display: flex; gap: 10px; }
.panel { padding: 20px; border: 1px solid var(--mud-palette-divider); border-radius: 12px !important; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin-top: 28px; }
.stat-card { display: grid; grid-template-columns: 44px 1fr; align-items: center; column-gap: 12px; padding: 22px; border: 1px solid var(--mud-palette-divider); border-radius: 12px !important; }
.stat-card .mud-icon-root { grid-row: span 2; font-size: 34px; }
.stat-card .mud-typography-h3 { font-weight: 700; }
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.toolbar .mud-input-control { max-width: 420px; flex: 1; }
.detail-grid, .health-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 16px; }
.detail-item, .health-item { display: grid; gap: 5px; min-width: 0; overflow-wrap: anywhere; }
.form-panel { max-width: 760px; display: grid; gap: 18px; margin-top: 18px; }
.settings-panel { display: grid; gap: 14px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px 20px; }
.section-title { margin: 10px 0 2px; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 12px; }
.menu-tree, .menu-tree ul { list-style: none; padding-left: 18px; }
.menu-tree { padding: 4px 0; }
.menu-tree li { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 4px; }
.menu-tree li > ul { flex-basis: 100%; margin-left: 20px; border-left: 1px solid var(--mud-palette-divider); }
.menu-tree li span { color: var(--mud-palette-text-secondary); margin-left: 10px; font-size: .85rem; }
.health-tabs { display: flex; gap: 6px; margin: 18px 0; flex-wrap: wrap; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: min(440px, 100%); padding: 34px; display: flex; flex-direction: column; align-items: center; border: 1px solid var(--mud-palette-divider); border-radius: 16px !important; }
.login-title { margin-top: 18px !important; font-weight: 750 !important; letter-spacing: -.03em; }
.login-form { width: 100%; display: grid; gap: 16px; margin-top: 15px; }
.login-field { display: grid; gap: 7px; width: 100%; color: var(--mud-palette-text-secondary); font-size: .88rem; }
.login-field input { box-sizing: border-box; width: 100%; padding: 12px 13px; color: var(--mud-palette-text-primary); background: var(--mud-palette-surface); border: 1px solid var(--mud-palette-lines-inputs); border-radius: 6px; font: inherit; }
.empty-layout { min-height: 100vh; }
@media (max-width: 650px) {
  .admin-content { padding: 22px 14px; }
  .page-heading { align-items: flex-start; flex-direction: column; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .toolbar .mud-input-control { max-width: none; }
  .panel { padding: 15px; }
  .login-card { padding: 26px 20px; }
}