:root {
  --bg: #fafafa;
  --card: #ffffff;
  --fg: #0a0a0a;
  --muted: #71717a;
  --border: #e4e4e7;
  --pri: #18181b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: inherit; text-decoration: none; }
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--card); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: -.01em; }
.user { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 24px 64px; }
.group h2 { font-size: 14px; color: var(--muted); font-weight: 600; margin: 26px 0 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.app {
  display: block; padding: 16px; background: var(--card);
  border: 1px solid var(--border); border-radius: 12px; transition: .12s;
}
.app:hover { border-color: #a1a1aa; transform: translateY(-1px); }
.app-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.tag { font-size: 11px; color: var(--muted); background: #f4f4f5; border-radius: 999px; padding: 2px 8px; }
.muted { color: var(--muted); font-size: 12.5px; }
button {
  border: 1px solid var(--border); background: var(--card); color: var(--fg);
  border-radius: 8px; padding: 7px 12px; cursor: pointer; font: inherit;
}
button:hover { background: #f4f4f5; }
button.primary { width: 100%; background: var(--pri); color: #fff; border-color: var(--pri); margin-top: 6px; }
button.primary:hover { background: #27272a; }
button.ghost { padding: 5px 10px; }
body.auth { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: min(92vw, 360px); background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.login-card .brand { font-size: 20px; margin-bottom: 4px; }
.login-card form { display: grid; gap: 12px; margin-top: 20px; }
.login-card label { display: grid; gap: 6px; font-size: 12.5px; color: var(--muted); }
.login-card input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; font: inherit; color: var(--fg); }
.login-card input:focus { outline: 2px solid #d4d4d8; border-color: #a1a1aa; }
.error { color: #b91c1c; background: #fef2f2; border: 1px solid #fecaca; padding: 8px 10px; border-radius: 8px; font-size: 12.5px; }

/* ---------- admin ---------- */
.admin-wrap { max-width: 1280px; margin: 0 auto; padding: 22px 24px 64px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab { border: 0; background: transparent; color: var(--muted); padding: 10px 14px; border-bottom: 2px solid transparent; border-radius: 0; }
.tab.on { color: var(--fg); border-bottom-color: var(--fg); font-weight: 600; }
.panel { display: none; }
.panel.on { display: block; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.panel-head h2 { font-size: 16px; margin: 0; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 18px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.table-wrap { overflow: auto; background: var(--card); border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 12px; background: #fafafa; }
tr:last-child td { border-bottom: 0; }
.form-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; display: grid; gap: 10px; }
.form-card h3 { margin: 0 0 4px; font-size: 14px; }
.form-card label { display: grid; gap: 5px; color: var(--muted); font-size: 12.5px; }
.form-card input, .form-card select, .filters input {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font: inherit; color: var(--fg); background: #fff;
}
.form-card label.check { display: flex; align-items: center; gap: 8px; color: var(--fg); }
.actions { display: flex; gap: 8px; }
.btn.primary { background: var(--pri); color: #fff; border-color: var(--pri); }
.btn.sm { padding: 4px 8px; font-size: 12px; }
.btn.danger { color: #b91c1c; }
.row-actions { display: flex; gap: 4px; white-space: nowrap; }
.roles { display: grid; gap: 6px; max-height: 260px; overflow: auto; }
.role-row { display: grid; grid-template-columns: 100px 1fr; align-items: center; gap: 8px; }
.role-row > span { color: var(--fg); overflow: hidden; text-overflow: ellipsis; }
.chip { display: inline-block; background: #f4f4f5; border-radius: 999px; padding: 2px 8px; font-size: 11.5px; margin: 1px; }
.ok { color: #15803d; }
.bad { color: #b91c1c; }
.notice { padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border); margin-bottom: 12px; }
.okbox { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.badbox { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filters input { width: 180px; }
.secret { background: #0a0a0a; color: #e4e4e7; padding: 12px; border-radius: 8px; min-height: 34px; overflow: auto; font-size: 12px; white-space: pre-wrap; }
.ghost-link { color: var(--muted); font-size: 13px; }