:root {
  --bg: #111827;
  --surface: #1f2937;
  --border: #374151;
  --text: #f9fafb;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --accent-hover: #3b82f6;
  --danger: #f87171;
  --sidebar: #0b1220;
  --radius: 12px;
  --font: ui-sans-serif, system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font);
  line-height: 1.5;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { min-width: 320px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip-link:focus { left: 8px; background: var(--surface); padding: 8px; }

.public-shell { min-height: 100vh; }
.public-brand {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 24px;
  background: var(--sidebar);
  border-bottom: 1px solid var(--border);
}
.public-brand .brand-title { margin: 0; font-size: 1.25rem; font-weight: 700; }
.public-main { display: grid; place-items: start center; padding: 48px 16px; }
.auth-card {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.eyebrow {
  margin: 0 0 4px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
h1, h2, h3 { margin: 0 0 12px; }
.muted { color: var(--muted); }
.stack { display: grid; gap: 12px; max-width: 480px; }
label { display: grid; gap: 4px; font-size: 0.9rem; }
input, select, textarea, button, summary {
  font: inherit;
  color: inherit;
}
input, select, textarea {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
.button, a.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #0b1220;
  border: 0;
  border-radius: 8px;
  padding: 8px 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.button.secondary, a.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.button-row, .inline-form { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.notice {
  padding: 10px 12px;
  border-radius: 8px;
  background: #1e3a5f;
  margin-bottom: 12px;
}
.notice.error { background: #3f1d1d; color: var(--danger); }
.advanced-config { margin-top: 16px; color: var(--muted); }

.ops-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sidebar-kicker { margin: 0; font-size: 0.75rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; }
.sidebar-name { margin: 4px 0 0; font-weight: 700; }
.sidebar-nav { display: grid; gap: 4px; }
.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
}
.nav-link.is-active, .nav-link:hover { background: #1e293b; color: var(--text); }
.sign-out { margin-top: auto; }
.ops-frame { display: flex; flex-direction: column; min-width: 0; }
.topbar { padding: 20px 24px 0; }
.ops-content { padding: 16px 24px 40px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
a { color: var(--accent); }
.meta-list { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; }
.meta-list dt { color: var(--muted); margin: 0; }
.meta-list dd { margin: 0; }
.empty { color: var(--muted); padding: 16px; }

@media (max-width: 800px) {
  .ops-shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sign-out { margin-top: 0; }
}

.role-fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  display: grid;
  gap: 6px;
}
.role-fieldset label {
  display: flex;
  align-items: center;
  gap: 8px;
}
.button-compact {
  padding: 4px 10px;
  font-size: 0.85rem;
}
.tenant-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 16px 0 28px;
}
.tenant-actions .inline-form { margin: 0; }
.tenant-advanced {
  margin-top: 32px;
  max-width: 520px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.tenant-advanced summary {
  cursor: pointer;
  font-weight: 600;
}
.tenant-advanced .stack { margin-top: 12px; }
.field-hint {
  margin: -4px 0 8px;
  font-size: 0.8rem;
  color: var(--muted);
}
.tenant-users { margin-top: 8px; }
.tenant-users .table-wrap { margin: 12px 0; overflow-x: auto; }