:root {
  --fg: #1a1a1a;
  --muted: #666;
  --bg: #fafafa;
  --card: #fff;
  --border: #ddd;
  --accent: #b0001a;
  --error: #b00;
  --flash: #2a7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 700; color: var(--accent); }
.topbar nav { flex: 1; display: flex; gap: 1rem; }
.topbar nav a { color: var(--fg); text-decoration: none; }
.topbar nav a:hover { text-decoration: underline; }
.topbar .logout { display: flex; align-items: center; gap: 0.5rem; margin: 0; }
.topbar .logout span { color: var(--muted); }
main { padding: 1.5rem; max-width: 1200px; margin: 0 auto; }
.card, .auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
}
.auth-card { max-width: 320px; margin: 4rem auto; }
.auth-card h1 { margin-top: 0; color: var(--accent); }
.auth-card form { display: flex; flex-direction: column; gap: 0.75rem; }
.auth-card label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; color: var(--muted); }
input, select, button { font: inherit; padding: 0.4rem 0.6rem; border: 1px solid var(--border); border-radius: 4px; background: #fff; }
button { background: var(--fg); color: #fff; border-color: var(--fg); cursor: pointer; }
button:hover { background: var(--accent); border-color: var(--accent); }
.error { color: var(--error); margin: 0.5rem 0; }
.flash { color: var(--flash); margin: 0.5rem 0; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin: 1rem 0; }
.inline { display: inline-flex; gap: 0.25rem; align-items: center; margin: 0; }
table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
th, td { padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: #f3f3f3; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
td.actions { white-space: nowrap; }
td.actions input { width: 9rem; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.bar h1 { margin: 0; }
.btn, a.btn { display: inline-block; padding: 0.4rem 0.8rem; background: var(--fg); color: #fff; border-radius: 4px; text-decoration: none; }
.btn:hover, a.btn:hover { background: var(--accent); }
.stack { display: flex; flex-direction: column; gap: 0.75rem; max-width: 720px; }
.stack label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; color: var(--muted); }
.stack input, .stack textarea, .stack select { font-size: 1rem; }
.stack textarea { font-family: ui-sans-serif, system-ui, sans-serif; }
.req { color: var(--error); }
.muted { color: var(--muted); }
fieldset { border: 0; padding: 0; margin: 0; }
fieldset[disabled] input, fieldset[disabled] textarea, fieldset[disabled] select { background: #f5f5f5; }
.actions-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.actions-row form { margin: 0; }
.actions-row input { width: 12rem; }