:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --bg: #f4f5f9;
  --card: #ffffff;
  --border: #e2e5ee;
  --text: #1f2430;
  --text-2: #6b7280;
  --topbar: #1e2433;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶栏 ---------- */
.topbar {
  background: var(--topbar);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; }
.brand-logo {
  background: var(--primary); color: #fff; border-radius: 8px;
  width: 30px; height: 30px; display: inline-flex; align-items: center;
  justify-content: center; font-size: 13px; font-weight: 800;
}
.topbar nav { display: flex; gap: 6px; flex: 1; }
.topbar nav a {
  color: #cbd2e0; padding: 6px 12px; border-radius: 6px; font-size: 13.5px;
}
.topbar nav a:hover { background: rgba(255,255,255,.08); color: #fff; text-decoration: none; }
.topbar nav a.active { background: rgba(255,255,255,.14); color: #fff; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar select {
  background: #2a3247; color: #e5e9f2; border: 1px solid #3a4555;
  border-radius: 6px; padding: 6px 8px; font-size: 13px; outline: none;
}
.topbar select:focus { border-color: var(--primary); }

/* ---------- 布局 ---------- */
.container { max-width: 1280px; margin: 24px auto; padding: 0 24px; }
.breadcrumb { margin-bottom: 16px; font-size: 13px; color: var(--text-2); }
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--primary); }
.page-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px 20px; margin-bottom: 18px; box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.card h3 { font-size: 15px; margin-bottom: 12px; }

/* ---------- Flash ---------- */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 13.5px; }
.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: #fff; color: var(--text); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 7px; font-size: 13.5px; cursor: pointer;
  transition: all .15s; text-decoration: none; line-height: 1.4;
}
.btn:hover { background: #f8f9fc; text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; border-radius: 6px; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: #f1f2f7; }

/* ---------- 表单 ---------- */
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 5px; }
.form-row input[type=text], .form-row input[type=password], .form-row input[type=number],
.form-row input[type=date], .form-row input[type=datetime-local], .form-row select,
.form-row textarea, input.input, select.input, textarea.input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 7px;
  font-size: 13.5px; outline: none; background: #fff; color: var(--text);
  font-family: inherit;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus,
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; }
.form-grid .full { grid-column: 1 / -1; }
.col-info { font-size: 12px; color: var(--text-2); margin-left: 6px; font-weight: 400; }
.null-check { font-size: 12.5px; color: var(--text-2); display: flex; align-items: center; gap: 5px; margin-top: 4px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 10px; }
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 9px 12px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.table th { background: #fafbfd; font-weight: 600; color: var(--text-2); position: sticky; top: 56px; }
.table th a { color: var(--text-2); }
.table th a:hover { color: var(--primary); text-decoration: none; }
.table tbody tr:hover { background: #f8f9ff; }
.table .cell-long { max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
.row-actions { display: flex; gap: 6px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11.5px; }
.badge-pk { background: #eef2ff; color: var(--primary-dark); }
.badge-null { background: #f3f4f6; color: var(--text-2); }
.badge-danger { background: #fef2f2; color: var(--danger); }

/* ---------- 筛选 ---------- */
.filter-bar { margin-bottom: 14px; }
.filter-bar details { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; }
.filter-bar summary { cursor: pointer; font-weight: 600; font-size: 13.5px; }
.filter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.filter-actions { margin-top: 12px; display: flex; gap: 8px; }

/* ---------- 分页 ---------- */
.pagination { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 13px; color: var(--text-2); }
.pagination .links { display: flex; gap: 6px; }
.pagination a { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); }
.pagination a:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.pagination .cur { padding: 4px 10px; background: var(--primary); color: #fff; border-radius: 6px; }

/* ---------- 登录页 ---------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #1e2433 0%, #2a3247 100%); }
.login-card { background: #fff; border-radius: 14px; padding: 36px 40px; width: 360px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.login-card .brand { justify-content: center; margin-bottom: 8px; color: var(--text); }
.login-card h1 { text-align: center; font-size: 18px; margin-bottom: 24px; }
.login-card .hint { text-align: center; color: var(--text-2); font-size: 12.5px; margin-bottom: 20px; }

/* ---------- 库卡片 ---------- */
.db-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.db-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; transition: all .15s; }
.db-card:hover { border-color: var(--primary); box-shadow: 0 4px 12px rgba(79,70,229,.12); transform: translateY(-2px); }
.db-card .db-name { font-weight: 700; font-size: 15px; word-break: break-all; }
.db-card .db-meta { color: var(--text-2); font-size: 12.5px; margin-top: 4px; }

/* ---------- 表卡片/列表 ---------- */
.tbl-list { list-style: none; }
.tbl-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.tbl-item:hover { background: #f8f9ff; }
.tbl-item .tbl-name { font-weight: 600; }
.tbl-item .tbl-meta { color: var(--text-2); font-size: 12.5px; margin-left: auto; display: flex; gap: 14px; }

/* ---------- SQL 控制台 ---------- */
.sql-editor { width: 100%; min-height: 180px; font-family: "SFMono-Regular", Consolas, "Courier New", monospace; font-size: 13px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; background: #0f172a; color: #e2e8f0; outline: none; resize: vertical; line-height: 1.7; }
.sql-editor:focus { border-color: var(--primary); }
.sql-bar { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.sql-bar select { width: 220px; }
.exec-row { display: flex; gap: 10px; align-items: flex-start; margin-top: 12px; }

/* ---------- 审计 ---------- */
.mono { font-family: Consolas, monospace; font-size: 12.5px; }
.search-bar { display: flex; gap: 8px; margin-bottom: 14px; }

/* ---------- 其他 ---------- */
.muted { color: var(--text-2); font-size: 12.5px; }
.empty { text-align: center; color: var(--text-2); padding: 40px 0; font-size: 13.5px; }
code.sq { background: #f1f2f7; padding: 1px 5px; border-radius: 4px; font-size: 12px; }
table.schema-table td { white-space: normal; word-break: break-all; }