:root {
  --bg: #f6f6f3;
  --surface: #ffffff;
  --text: #1d2321;
  --muted: #5f6b66;
  --line: #dfe2dc;
  --accent: #1f5c4d;
  --accent-text: #ffffff;
  --good-bg: #e3f1ea;
  --good-text: #17513f;
  --warn-bg: #fbf0d6;
  --warn-text: #6d4e07;
  --bad-bg: #f9e3e0;
  --bad-text: #832a20;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151a18;
    --surface: #1e2522;
    --text: #edf0ee;
    --muted: #a3aea9;
    --line: #36403c;
    --accent: #6fc4ab;
    --accent-text: #10201b;
    --good-bg: #1c3a30;
    --good-text: #b8e6d6;
    --warn-bg: #40331a;
    --warn-text: #f3dca3;
    --bad-bg: #4a2522;
    --bad-text: #f6c6bf;
  }
}

* { box-sizing: border-box; }

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .75rem; }
code { font-size: .9rem; overflow-wrap: anywhere; user-select: all; }

.demo-banner { margin: 0; padding: .4rem 1rem; font-size: .85rem; font-weight: 600; text-align: center; color: var(--warn-text); background: var(--warn-bg); }

.icp-footer { padding: 12px 1rem; font-size: 12px; text-align: center; color: var(--muted); }
.icp-footer a { color: inherit; text-decoration: none; }
.icp-footer a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 650; color: var(--text); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
nav form { margin: 0; }

main { flex: 1; width: 100%; max-width: 860px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.narrow { max-width: 420px; }
section.narrow { margin: 2rem auto 0; }
.muted { color: var(--muted); font-size: .9rem; }
.note { padding: .75rem 1rem; background: var(--surface); border-left: 3px solid var(--accent); }

.notice { margin: 0 0 1rem; padding: .7rem 1rem; border-radius: 6px; }
.notice p { margin: .25rem 0; }
.notice.success { background: var(--good-bg); color: var(--good-text); }
.notice.warning { background: var(--warn-bg); color: var(--warn-text); }
.notice.error { background: var(--bad-bg); color: var(--bad-text); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.card { display: block; padding: 1rem 1.1rem; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; color: var(--text); text-decoration: none; }
.card:hover { border-color: var(--accent); }
.card h2 { margin: 0 0 .15rem; }
.card p { margin: 0 0 .6rem; }
dl { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; font-variant-numeric: tabular-nums; text-align: right; }

.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { padding: .55rem .75rem; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { font-weight: 600; }
.pnl th { font-weight: 400; white-space: normal; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.total th, .total td { font-weight: 650; border-top: 2px solid var(--text); }

form { margin: 0 0 1rem; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.stack, .stack fieldset { display: grid; gap: .85rem; max-width: 420px; }
.inline { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; margin-bottom: 1.25rem; }
label { display: grid; gap: .25rem; font-size: .92rem; }
.check { display: flex; gap: .4rem; align-items: center; }
input:not([type="checkbox"]), select, textarea {
  width: 100%;
  padding: .55rem .65rem;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}
fieldset:disabled input, fieldset:disabled textarea { opacity: .7; }
button {
  padding: .55rem 1rem;
  font: inherit;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  cursor: pointer;
}
button:disabled { opacity: .5; cursor: not-allowed; }
button.secondary { color: var(--accent); background: transparent; }
button.link { padding: 0; font-weight: 400; color: var(--accent); background: none; border: 0; text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.chip { padding: .1rem .5rem; font-size: .8rem; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; }
.chip.published { color: var(--good-text); background: var(--good-bg); border-color: transparent; }
.chip.warning { color: var(--warn-text); background: var(--warn-bg); border-color: transparent; }

.account { padding: .75rem 0; border-bottom: 1px solid var(--line); }
.account p { margin: 0 0 .5rem; }
.account form { margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }