:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #1f2933;
  --muted: #7b8794;
  --primary: #3b5bdb;
  --primary-d: #2f49b0;
  --danger: #e03131;
  --ok: #2f9e44;
  --border: #e4e8f0;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px; line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef1f7; padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.muted { color: var(--muted); }

/* 顶栏 */
.topbar {
  display: flex; align-items: center; gap: 24px;
  background: var(--card); padding: 12px 24px; border-bottom: 1px solid var(--border);
}
.brand a { font-weight: 700; font-size: 16px; color: var(--ink); }
.nav { display: flex; gap: 18px; flex: 1; }
.nav a { color: var(--ink); }
.user { display: flex; align-items: center; gap: 12px; }
.user em { color: var(--primary); font-style: normal; font-size: 12px; }

.container { max-width: 1080px; margin: 24px auto; padding: 0 24px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 28px 0 10px; }

/* 横幅 */
.banner { padding: 10px 14px; border-radius: 8px; margin: 12px 0; }
.banner.ok { background: #ebfbee; color: var(--ok); border: 1px solid #b2f2bb; }
.banner.err { background: #fff5f5; color: var(--danger); border: 1px solid #ffc9c9; }

/* 卡片 */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; margin: 16px 0;
}
.card summary { cursor: pointer; font-weight: 600; }

/* 网格（项目卡片）*/
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 16px; }
.project-card { text-align: center; }
.project-icon { font-size: 36px; }
.project-card h3 { margin: 8px 0 4px; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: #f8fafc; font-weight: 600; }
.table tr:last-child td { border-bottom: none; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.inline { display: inline; margin: 0; }

/* 表单 */
.form-grid { display: grid; gap: 12px; margin-top: 12px; max-width: 520px; }
.form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.form-grid label, .form-row label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
input, select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff; }
.checkbox { flex-direction: row !important; align-items: center; gap: 8px; }
.perms { border: 1px solid var(--border); border-radius: 8px; padding: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.perms legend { padding: 0 6px; color: var(--muted); }

/* 按钮 */
button { cursor: pointer; font-family: inherit; }
.btn-primary { background: var(--primary); color: #fff; border: none; padding: 9px 16px; border-radius: 8px; font-size: 14px; }
.btn-primary:hover { background: var(--primary-d); }
.btn-sm { background: #eef1f7; color: var(--ink); border: 1px solid var(--border); padding: 4px 10px; border-radius: 6px; font-size: 12px; }
.btn-sm.danger { background: #fff5f5; color: var(--danger); border-color: #ffc9c9; }

/* 标签 */
.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: #eef1f7; color: var(--muted); }
.tag.ok { background: #ebfbee; color: var(--ok); }
.tag.off { background: #f1f3f5; color: var(--muted); }
.tag.super { background: #edf2ff; color: var(--primary); }

.empty { padding: 40px; text-align: center; color: var(--muted); background: var(--card); border: 1px dashed var(--border); border-radius: 10px; }

/* 登录页 */
.login-wrap { min-height: 80vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 32px; width: 360px; box-shadow: 0 8px 30px rgba(0,0,0,.06); }
.login-card h1 { text-align: center; }
.login-card p { text-align: center; margin-top: 0; }
.login-card form { display: grid; gap: 14px; margin-top: 18px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; }
.login-card .btn-primary { width: 100%; padding: 11px; }