/* 自建版基础样式：够用、清爽、手机可看。不引外部字体/图标，避免额外请求与 CSP 麻烦 */
:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1f2430;
  --text2: #6b7280;
  --line: #e4e8ef;
  --brand: #2f6fd0;
  --ok: #17864a;
  --bad: #c02b2b;
  --warn: #b26a00;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; }
.tag { font-weight: 400; font-size: 12px; color: var(--text2); margin-left: 6px; }
.who { font-size: 13px; color: var(--text2); }
.wrap { max-width: 980px; margin: 18px auto; padding: 0 14px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px; margin-bottom: 16px;
}
.card.narrow { max-width: 380px; margin: 8vh auto; }
h1 { font-size: 17px; margin: 0 0 12px; }
.hint { color: var(--text2); font-size: 13px; }
label { display: block; margin: 10px 0; font-size: 13px; color: var(--text2); }
input, select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 9px 10px;
  border: 1px solid var(--line); border-radius: 8px; font: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: 2px solid #cfe0f8; border-color: var(--brand); }
button {
  font: inherit; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; cursor: pointer;
}
button.primary { background: var(--brand); border-color: var(--brand); color: #fff; width: 100%; margin-top: 12px; }
button.primary.inline { width: auto; margin-top: 0; }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button:disabled { opacity: .6; cursor: default; }
button.link { border: 0; background: none; color: var(--brand); padding: 0 6px 0 0; }
button.link.danger { color: var(--bad); }

/* 顶部导航 */
.nav {
  display: flex; gap: 4px; padding: 8px 18px; background: var(--card);
  border-bottom: 1px solid var(--line); position: sticky; top: 49px; z-index: 9;
}
.nav a {
  padding: 5px 12px; border-radius: 8px; text-decoration: none;
  color: var(--text2); font-size: 14px;
}
.nav a:hover { background: #eef2f8; color: var(--text); }
.nav a.on { background: #e6effc; color: var(--brand); font-weight: 600; }

/* 工具条与表格 */
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 10px 0; }
.row > select, .row > input { width: auto; min-width: 150px; margin-top: 0; }
.row > input#q { flex: 1 1 200px; }
a.btn {
  display: inline-block; padding: 9px 14px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; color: var(--text); text-decoration: none; font-size: 15px;
}
.tbl td, .tbl th { vertical-align: middle; }
.tbl .nowrap { white-space: nowrap; }
.chip {
  display: inline-block; background: #eef2f8; border: 1px solid var(--line); border-radius: 999px;
  padding: 1px 8px; font-size: 12px; color: var(--text2); margin: 1px 2px 1px 0;
}
.chip.ok-chip { background: #e7f6ee; border-color: #bfe3ce; color: var(--ok); }
.alert ul.errs { margin: 6px 0 0; padding-left: 18px; }
.alert ul.errs li { margin: 2px 0; }
.wraptext { word-break: break-all; }

/* 弹窗 */
.overlay {
  position: fixed; inset: 0; background: rgba(20, 26, 36, .45);
  display: flex; align-items: flex-start; justify-content: center; padding: 5vh 12px; z-index: 50;
  overflow: auto;
}
.modal { background: var(--card); border-radius: 12px; padding: 18px; width: 100%; max-width: 620px; }
.modal h2 { font-size: 16px; margin: 0 0 12px; }
.modal h3 { font-size: 13px; margin: 0 0 6px; color: var(--text2); }
.modal .mbody { max-height: 62vh; overflow: auto; }
.modal .mfoot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.modal .mfoot button { width: auto; margin-top: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 620px) { .grid2 { grid-template-columns: 1fr; } }
.alert { background: #fff6e5; border: 1px solid #f0d9a8; color: var(--warn); padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 12px; }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--text2); font-weight: 500; }
.routes { display: flex; flex-wrap: wrap; gap: 6px; }
.routes code { background: #eef2f8; border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px; font-size: 12.5px; }
.foot { text-align: center; color: var(--text2); font-size: 12px; padding: 18px; }
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  background: #222a37; color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 14px; z-index: 99;
}
.toast.warn { background: var(--warn); }
@media (max-width: 560px) {
  .wrap { margin: 10px auto; }
  .card { padding: 14px; }
}