:root {
  --bg: #f5f6f8; --surface: #ffffff; --text: #16181d; --muted: #646b78; --line: #dde0e6;
  --accent: #1d5fd1; --accent-text: #ffffff; --danger: #c0262d; --ok: #1a7f4b; --warn: #a15c00;
  --chip: #eceef2;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115; --surface: #181b21; --text: #eceef2; --muted: #9aa1ae; --line: #2c313b;
    --accent: #5b94f5; --accent-text: #0b1220; --danger: #ff6b72; --ok: #4cc38a; --warn: #f0a63a;
    --chip: #232832;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 16px 16px 64px; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 17px; margin: 0 0 12px; }
.muted { color: var(--muted); font-size: 14px; }
.center { text-align: center; padding-top: 48px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 12px; }
header.bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 0 16px; gap: 8px; }
nav.tabs { display: flex; gap: 4px; background: var(--chip); padding: 4px; border-radius: 12px; margin-bottom: 16px; }
nav.tabs button { flex: 1; background: transparent; color: var(--muted); border: 0; min-height: 40px; border-radius: 9px; font-weight: 600; }
nav.tabs button[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.12); }
label.field { display: block; font-size: 14px; font-weight: 600; }
label.field > span.hint { font-weight: 400; color: var(--muted); margin-left: 6px; }
input[type=text], input[type=date], input[type=number], textarea, select {
  width: 100%; min-height: 44px; padding: 10px 12px; margin-top: 6px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
}
textarea { resize: vertical; min-height: 88px; }
input:focus, textarea:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button { font: inherit; min-height: 44px; padding: 8px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.danger { color: var(--danger); }
button.small { min-height: 36px; padding: 4px 12px; font-size: 14px; }
button:disabled { opacity: .5; cursor: not-allowed; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.choice { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; min-height: 44px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--bg); font-size: 15px; cursor: pointer; }
.choice input { width: 18px; height: 18px; margin: 0; }
.choice.off { opacity: .45; pointer-events: none; }
.counter { text-align: right; font-size: 12px; color: var(--muted); }
.counter.over { color: var(--danger); font-weight: 600; }
.notice { border-radius: 10px; padding: 10px 12px; background: var(--chip); font-size: 14px; }
.notice.warn { border: 1px solid var(--warn); color: var(--warn); }
.push-card { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; background: var(--bg); }
.push-card b { display: block; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--chip); }
.badge.done { color: var(--ok); } .badge.partial { color: var(--warn); } .badge.failed { color: var(--danger); } .badge.sending { color: var(--accent); }
.list-item { border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 8px; background: var(--surface); }
.list-item > .title { font-weight: 600; }
.games { max-height: 280px; overflow: auto; margin-top: 8px; }
dl.kv { display: grid; grid-template-columns: 7em 1fr; gap: 4px 8px; margin: 0; font-size: 14px; word-break: break-all; }
dl.kv dt { color: var(--muted); } dl.kv dd { margin: 0; }
.toast { position: fixed; left: 16px; right: 16px; top: 12px; z-index: 10; max-width: 688px; margin: 0 auto; padding: 12px 14px;
  border-radius: 10px; background: var(--text); color: var(--bg); font-size: 15px; box-shadow: 0 4px 16px rgba(0,0,0,.3); }
.toast.error { background: var(--danger); color: #fff; }
.toast.ok { background: var(--ok); color: #fff; }
[hidden] { display: none !important; }
code { font: 13px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; user-select: all; }