/* 后台和登录页共用的样式，配色与官网一致 */
:root {
  --bg: #F3F6F2;
  --surface: #FFFFFF;
  --sunken: #E8EEE8;
  --ink: #13201A;
  --muted: #56685E;
  --line: #D3DDD5;
  --accent: #1E7A52;
  --accent-ink: #FFFFFF;
  --accent-soft: #DCEFE4;
  --warn: #A4660F;
  --warn-soft: #F6EAD3;
  --bad: #B3261E;
  --bad-soft: #F8E1DE;

  --font-display: "Songti SC", "STSong", "Noto Serif SC", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "JetBrains Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0D1411; --surface: #151F1A; --sunken: #1B2721; --ink: #E4EDE7; --muted: #92A498;
    --line: #26342C; --accent: #4BC189; --accent-ink: #08130D; --accent-soft: #173426;
    --warn: #E0A54A; --warn-soft: #33270F; --bad: #F2867D; --bad-soft: #3A1714;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink); font-family: var(--font-body);
  font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); margin: 0; line-height: 1.3; text-wrap: balance; }
p { margin: 0; }
code, .mono { font-family: var(--font-mono); font-size: 0.875em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink); font: inherit; font-weight: 600; font-size: 14px; cursor: pointer; text-decoration: none;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-danger { color: var(--bad); }
.btn-danger:hover { border-color: var(--bad); }
.btn-sm { padding: 4px 10px; font-size: 13px; }

input[type=text], input[type=email], input[type=password], input[type=number], input[type=url] {
  width: 100%; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font: inherit;
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.check { display: flex; align-items: center; gap: 8px; color: var(--ink); }

.msg { font-size: 14px; padding: 10px 12px; border-radius: 8px; }
.msg.err { background: var(--bad-soft); color: var(--bad); }
.msg.ok { background: var(--accent-soft); color: var(--accent); }
.msg.warn { background: var(--warn-soft); color: var(--warn); }

/* ---- 登录页 ---- */
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 32px 16px; }
.auth-card {
  width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 32px; display: grid; gap: 20px;
}
.auth-card form { display: grid; gap: 14px; }
.auth-card .btn { width: 100%; padding: 11px; }
.auth-switch { font-size: 14px; color: var(--muted); text-align: center; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand svg { width: 28px; height: 28px; }
.brand b { font-family: var(--font-display); font-size: 18px; }

/* ---- 后台 ---- */
.topbar { border-bottom: 1px solid var(--line); background: var(--surface); }
.topbar .inner {
  max-width: 1080px; margin: 0 auto; padding: 0 16px; height: 60px;
  display: flex; align-items: center; gap: 24px;
}
.tabs { display: flex; gap: 4px; margin-left: 8px; overflow-x: auto; }
.tab {
  padding: 6px 12px; border-radius: 6px; color: var(--muted); text-decoration: none; font-size: 14px;
  border: 0; background: none; font: inherit; cursor: pointer; white-space: nowrap;
}
.tab[aria-current=page] { background: var(--sunken); color: var(--ink); font-weight: 600; }
.who { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); min-width: 0; }
.who span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

main.app { max-width: 1080px; margin: 0 auto; padding: 32px 16px 64px; display: grid; gap: 24px; }
.page-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 12px; }
.page-head h1 { font-size: 26px; }
.page-head p { color: var(--muted); font-size: 14px; }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.panel-body { padding: 20px; display: grid; gap: 14px; }
.panel h2 { font-size: 18px; }

.add-form { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; }

/* 站点列表 */
.site-list { list-style: none; margin: 0; padding: 0; }
.site-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 16px; align-items: center;
  padding: 16px 20px; border-top: 1px solid var(--line); cursor: pointer;
}
.site-row:first-child { border-top: 0; }
.site-row:hover { background: var(--sunken); }
.site-name { font-weight: 600; overflow-wrap: anywhere; }
.site-sub { font-size: 13px; color: var(--muted); }
.expiry { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; }
.empty { padding: 40px 20px; text-align: center; color: var(--muted); display: grid; gap: 8px; }

.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.ok { background: var(--accent-soft); color: var(--accent); }
.pill.wait { background: var(--sunken); color: var(--muted); }
.pill.busy { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }

/* 站点详情 */
.detail { display: grid; gap: 20px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

.dns-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.dns-table th { text-align: left; font-weight: 500; color: var(--muted); padding: 8px 12px; background: var(--sunken); }
.dns-table td { padding: 10px 12px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 13px; overflow-wrap: anywhere; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.copy { margin-left: 6px; }

pre.code {
  margin: 0; padding: 14px 16px; border-radius: 8px; background: var(--sunken); border: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.7; overflow-x: auto; white-space: pre;
}
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.hint { font-size: 13px; color: var(--muted); }
.steps { margin: 0; padding-left: 20px; display: grid; gap: 6px; font-size: 14px; }

/* 套餐 */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan { padding: 20px; display: grid; gap: 12px; align-content: start; }
.plan.current { border: 2px solid var(--accent); padding: 19px; }
.plan .price { font-family: var(--font-display); font-size: 28px; font-weight: 700; }
.plan ul { margin: 0; padding-left: 18px; font-size: 14px; color: var(--muted); display: grid; gap: 4px; }

.list-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.list-table th, .list-table td { padding: 12px 20px; text-align: left; border-top: 1px solid var(--line); }
.list-table th { border-top: 0; color: var(--muted); font-weight: 500; font-size: 13px; }
.list-table td { font-variant-numeric: tabular-nums; }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 8px; font-size: 14px; z-index: 50;
  max-width: calc(100% - 32px);
}

@media (max-width: 760px) {
  .add-form { grid-template-columns: 1fr; }
  .site-row { grid-template-columns: minmax(0, 1fr) auto; }
  .site-row .expiry { grid-column: 1 / -1; text-align: left; }
  .plans { grid-template-columns: 1fr; }
  .who span { display: none; }
  .list-table th, .list-table td { padding: 10px 12px; }
}