/* ==========================================================================
   Arteria — Admin-tier layout patterns
   Light theme, desktop-first, office instrument register. Shared primitives
   (buttons, tables, sidebar links) live in components.css.
   ========================================================================== */

.admin-brand { display: flex; align-items: center; gap: 10px; padding: var(--space-3) var(--space-3) var(--space-5); }
.admin-brand-mark {
  width: 30px; height: 30px; border-radius: 9px; background: var(--brand); color: #fff;
  display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 700; font-size: 12px; flex-shrink: 0;
}
.admin-brand-name { font-weight: 700; font-size: 0.9375rem; letter-spacing: -0.01em; }

.admin-city-switch {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--border); font-size: 0.8125rem; font-weight: 600; cursor: pointer;
  margin-bottom: var(--space-4);
}

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); flex-wrap: wrap; }
.page-head-title { font-family: var(--font-display); font-size: 1.75rem; font-weight: 600; letter-spacing: -0.015em; }
.page-head-sub { color: var(--text-muted); font-size: 0.9375rem; margin-top: 4px; }
.page-actions { display: flex; gap: var(--space-3); }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); margin-bottom: var(--space-8); }
.kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border); }
.panel-head-title { font-weight: 600; font-size: 0.9375rem; }
.panel-body { padding: var(--space-5); }
.panel-body.is-flush { padding: 0; }

.toolbar { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.toolbar .input { max-width: 280px; }
.search-input { position: relative; }
.search-input svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-faint); }
.search-input .input { padding-left: 38px; }

.thumb-sm { width: 40px; height: 40px; border-radius: var(--radius-xs); overflow: hidden; flex-shrink: 0; }
.thumb-md { width: 56px; height: 56px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.cell-media { display: flex; align-items: center; gap: var(--space-3); }
.cell-title { font-weight: 600; }
.cell-sub { color: var(--text-muted); font-size: 0.8125rem; margin-top: 2px; }

.tabs-line { display: flex; gap: var(--space-6); border-bottom: 1px solid var(--border); margin-bottom: var(--space-6); }
.tab-link { padding: var(--space-3) 0; color: var(--text-muted); font-weight: 600; font-size: 0.9375rem; border-bottom: 2px solid transparent; cursor: pointer; }
.tab-link.is-active { color: var(--text); border-color: var(--brand); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-grid.is-single { grid-template-columns: 1fr; }
.form-section { margin-bottom: var(--space-8); }
.form-section-title { font-weight: 600; margin-bottom: var(--space-1); }
.form-section-hint { color: var(--text-muted); font-size: 0.8125rem; margin-bottom: var(--space-4); }

.rbac-grid { display: grid; grid-template-columns: 180px repeat(5, 1fr); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.rbac-cell { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); display: flex; align-items: center; }
.rbac-cell:last-child { border-right: none; }
.rbac-grid > .rbac-cell:nth-last-child(-n+6) { border-bottom: none; }
.rbac-head { background: var(--surface-2); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; color: var(--text-muted); justify-content: center; }

.builder-layout { display: grid; grid-template-columns: 1fr 340px; gap: var(--space-5); align-items: start; }
.builder-stop-card { display: flex; gap: var(--space-3); padding: var(--space-4); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: var(--space-3); cursor: grab; }
.builder-stop-handle { color: var(--text-faint); display: flex; align-items: center; cursor: grab; }
.builder-stop-num { width: 26px; height: 26px; border-radius: 50%; background: var(--surface-3); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; flex-shrink: 0; }

.login-shell { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login-art-side { position: relative; overflow: hidden; }
.login-form-side { display: flex; align-items: center; justify-content: center; padding: var(--space-8); }
.login-card { width: 100%; max-width: 380px; }

@media (max-width: 1024px) {
  .form-grid { grid-template-columns: 1fr; }
  .builder-layout { grid-template-columns: 1fr; }
  .rbac-grid { grid-template-columns: 140px repeat(5, 1fr); font-size: 0.8125rem; }
  .login-shell { grid-template-columns: 1fr; }
  .login-art-side { display: none; }
}