:root {
  --bg: #f7fbff;
  --side: #e8f3ff;
  --card: #ffffff;
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --text: #1a2332;
  --muted: #5b6b7c;
  --border: #d6e6f8;
  --ok: #0b8a6e;
  --bad: #c2410c;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--primary); text-decoration: none; }
.wrap { max-width: 980px; margin: 40px auto; padding: 0 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
h1 { font-size: 22px; margin: 0 0 8px; }
.muted { color: var(--muted); font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
input, select, button {
  font-family: inherit;
  font-size: 14px;
}
input, select {
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
  min-width: 180px;
}
button, .btn {
  height: 38px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}
button:hover, .btn:hover { background: var(--primary-hover); }
.btn-ok { background: var(--ok); }
.btn-bad { background: var(--bad); }
.btn-ghost { background: #8a93a3; }
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.tag-ok { color: var(--ok); font-weight: 700; }
.tag-bad { color: var(--bad); font-weight: 700; }
.flash { padding: 10px 12px; border-radius: 8px; margin: 12px 0; background: #e8f3ff; }
.login-box { max-width: 420px; margin: 12vh auto; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
form.inline { display: inline; }