:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e3e6ea;
  --text: #1f2329;
  --text-2: #646a73;
  --text-3: #8f959e;
  --primary: #185fa5;
  --primary-light: #e6f1fb;
  --danger: #c0332b;
  --danger-light: #fcebeb;
  --warn: #b26a00;
  --warn-light: #faeeda;
  --ok: #2f7d32;
  --ok-light: #eaf3de;
  --radius: 8px;
}

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

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

button { font-family: inherit; font-size: 13px; cursor: pointer; }
input, select, textarea {
  font-family: inherit; font-size: 13px; padding: 7px 10px;
  border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
a { color: var(--primary); text-decoration: none; }

/* ---------- 登录 ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}
.login-box {
  width: 360px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 32px 28px;
}
.login-box h1 { font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.login-box p.sub { color: var(--text-3); font-size: 13px; margin-bottom: 22px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 5px; }
.field input { width: 100%; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 7px 14px; border-radius: 6px; font-weight: 500;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #0f4c85; color: #fff; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-light); }
.btn-block { width: 100%; justify-content: center; padding: 9px; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.login-tip { margin-top: 14px; font-size: 12px; color: var(--text-3); text-align: center; }

/* ---------- 布局 ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 200px; background: var(--panel); border-right: 1px solid var(--border);
  padding: 18px 10px; flex-shrink: 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { font-size: 16px; font-weight: 600; padding: 4px 10px 16px; color: var(--text); }
.brand small { display: block; font-size: 11px; color: var(--text-3); font-weight: 400; margin-top: 2px; }
.nav-item {
  display: block; padding: 9px 12px; border-radius: 6px; color: var(--text-2);
  font-size: 13px; cursor: pointer; margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 500; }
.main { flex: 1; padding: 22px 26px; min-width: 0; }
.page-title { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.page-desc { color: var(--text-3); font-size: 13px; margin-bottom: 18px; }

/* ---------- 卡片与表格 ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 16px;
}
.card-title { font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-2); font-weight: 500; background: #fafbfc; white-space: nowrap; }
tr:hover td { background: #fafbfc; }
td.num { font-variant-numeric: tabular-nums; }
.empty { text-align: center; color: var(--text-3); padding: 36px 0; }

/* ---------- 状态标签 ---------- */
.tag {
  display: inline-block; padding: 2px 9px; border-radius: 20px;
  font-size: 12px; font-weight: 500; white-space: nowrap;
}
.tag-normal { background: var(--ok-light); color: var(--ok); }
.tag-blocked { background: var(--danger-light); color: var(--danger); }
.tag-risk { background: var(--warn-light); color: var(--warn); }
.tag-unknown { background: #eff1f3; color: var(--text-3); }
.tag-ok { background: var(--ok-light); color: var(--ok); }
.tag-off { background: #eff1f3; color: var(--text-3); }

/* ---------- 统计卡 ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px;
}
.stat .label { font-size: 12px; color: var(--text-3); }
.stat .value { font-size: 24px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat.danger .value { color: var(--danger); }
.stat.warn .value { color: var(--warn); }
.stat.ok .value { color: var(--ok); }

/* ---------- 弹窗 ---------- */
.mask {
  position: fixed; inset: 0; background: rgba(15, 20, 25, 0.45);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.modal {
  background: var(--panel); border-radius: 12px; width: 560px; max-width: 100%;
  max-height: 88vh; overflow-y: auto; padding: 22px 24px;
}
.modal h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ---------- 开关 ---------- */
.switch { position: relative; display: inline-block; width: 38px; height: 20px; }
.switch input { display: none; }
.switch slider {
  position: absolute; inset: 0; background: #d3d6db; border-radius: 20px; transition: .2s;
}
.switch slider:before {
  content: ""; position: absolute; width: 16px; height: 16px; left: 2px; top: 2px;
  background: #fff; border-radius: 50%; transition: .2s;
}
.switch input:checked + slider { background: var(--primary); }
.switch input:checked + slider:before { transform: translateX(18px); }

/* ---------- 其他 ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 14px; color: var(--text-2); font-size: 13px; }
.checks { display: flex; flex-wrap: wrap; gap: 10px; }
.checks label { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; cursor: pointer; }
.toast {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  background: #1f2329; color: #fff; padding: 9px 18px; border-radius: 6px;
  font-size: 13px; z-index: 99; box-shadow: 0 4px 14px rgba(0,0,0,.18);
}
@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; display: flex; flex-wrap: wrap; }
  .brand { width: 100%; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .main { padding: 16px; }
}