:root {
  --bg: #f6f7f9;
  --fg: #1c2024;
  --muted: #6b7280;
  --card: #ffffff;
  --line: #e3e6ea;
  --primary: #2f6fed;
  --primary-fg: #ffffff;
  --ok: #13795b;
  --ok-bg: #e5f5ee;
  --warn: #9a5b00;
  --warn-bg: #fff3dc;
  --danger: #c0352b;
  --danger-bg: #fde8e6;
  --info: #2b5fb8;
  --info-bg: #e7efff;
  --radius: 10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --fg: #e6e8eb;
    --muted: #9aa3ad;
    --card: #1a1f25;
    --line: #2b323a;
    --primary: #5b8dff;
    --ok: #4cc79a;
    --ok-bg: #12302a;
    --warn: #f0b04d;
    --warn-bg: #33270f;
    --danger: #ff7a70;
    --danger-bg: #3a1a18;
    --info: #8cb0ff;
    --info-bg: #1a2742;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .75rem; }
h3 { font-size: 1.05rem; margin: 0; }
h4 { margin: 1rem 0 .5rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; word-break: break-all; }
.muted { color: var(--muted); }
.big { font-size: 1.3rem; letter-spacing: .08em; }
.hint { color: var(--muted); font-size: .85rem; display: block; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1rem;
  padding: .7rem max(1rem, env(safe-area-inset-left));
  background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--fg); white-space: nowrap; }
.nav { display: flex; gap: .25rem; overflow-x: auto; scrollbar-width: none; margin-left: auto; }
.nav a { padding: .35rem .7rem; border-radius: 999px; color: var(--muted); white-space: nowrap; }
.nav a.active, .nav a:hover { background: var(--bg); color: var(--fg); text-decoration: none; }

.view { padding: 1.25rem 1rem 3rem; }
.page { max-width: 640px; margin: 0 auto; }
.page.wide { max-width: 1200px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; margin-bottom: 1rem;
}
.card.success { border-color: var(--ok); }
.card.sub.on { border-color: var(--ok); }
.sub-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .5rem; flex-wrap: wrap; }
.kv { display: flex; justify-content: space-between; gap: 1rem; padding: .3rem 0; border-bottom: 1px dashed var(--line); }
.kv:last-of-type { border-bottom: 0; }
.kv > span:first-child { color: var(--muted); flex-shrink: 0; }
.kv > :last-child { text-align: right; word-break: break-all; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.grid .card { margin-bottom: 0; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .75rem; }

.form { display: grid; gap: .9rem; margin-bottom: 1rem; }
.field { display: grid; gap: .3rem; }
.field-label { font-weight: 600; font-size: .92rem; }
input, select, textarea {
  width: 100%; font: inherit; color: var(--fg); background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: .6rem .7rem; min-height: 44px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: transparent; }
textarea.codes { font-family: ui-monospace, Menlo, Consolas, monospace; margin: .75rem 0; }
.form-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.form-error { color: var(--danger); background: var(--danger-bg); padding: .55rem .75rem; border-radius: 8px; margin: 0; }
.notice { padding: .6rem .8rem; border-radius: 8px; margin: 0 0 1rem; }
.notice.warn { background: var(--warn-bg); color: var(--warn); }
.notice a { margin-left: .5rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  min-height: 44px; padding: .5rem 1.1rem; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--fg); font: inherit; cursor: pointer; text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn.primary { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.small { min-height: 34px; padding: .25rem .7rem; font-size: .88rem; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.badge { display: inline-block; font-size: .78rem; padding: .05rem .5rem; border-radius: 999px; background: var(--bg); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge.danger { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.badge.info { background: var(--info-bg); color: var(--info); border-color: transparent; }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 1rem; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: .55rem .7rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; background: var(--bg); }
tr:last-child td { border-bottom: 0; }
td.actions { display: flex; gap: .35rem; flex-wrap: wrap; align-items: center; }
td.actions select { width: auto; min-height: 34px; padding: .2rem .4rem; }
td.detail { max-width: 360px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .8rem; word-break: break-all; }

.tabs { display: flex; gap: .25rem; overflow-x: auto; border-bottom: 1px solid var(--line); margin-bottom: 1rem; scrollbar-width: thin; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; padding: .6rem .8rem; font: inherit; color: var(--muted); cursor: pointer; white-space: nowrap; }
.tab.active { color: var(--fg); border-bottom-color: var(--primary); font-weight: 600; }
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; }
.stat-v { font-size: 1.6rem; font-weight: 700; }
.stat-k { color: var(--muted); font-size: .88rem; }
.pager { display: flex; align-items: center; justify-content: center; gap: .75rem; margin: .5rem 0 1rem; color: var(--muted); }
details > summary { cursor: pointer; padding: .4rem 0; color: var(--primary); }
details[open] > summary { margin-bottom: .75rem; }

.toast {
  position: fixed; left: 50%; bottom: max(1.25rem, env(safe-area-inset-bottom)); transform: translateX(-50%);
  max-width: calc(100vw - 2rem); padding: .65rem 1rem; border-radius: 8px;
  background: var(--fg); color: var(--bg); box-shadow: 0 6px 24px rgba(0, 0, 0, .18); z-index: 50;
}
.toast.ok { background: var(--ok); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }
.toast.warn { background: var(--warn); color: #fff; }

@media (max-width: 600px) {
  .view { padding: 1rem .75rem 3rem; }
  h1 { font-size: 1.3rem; }
  .topbar { gap: .5rem; }
  .kv { font-size: .92rem; }
}