:root {
  --bg: #f3f0e8;
  --paper: #fffdf8;
  --ink: #1e1b16;
  --muted: #6d675e;
  --line: #e3dcd0;
  --up: #1c6b45;
  --up-soft: #e6f3ec;
  --down: #8d3a22;
  --down-soft: #f8ebe6;
  --accent: #1f4b3a;
  --warn: #8a5a12;
  --warn-soft: #fbf3e2;
  --danger: #8d2f2f;
  --danger-soft: #f8e8e6;
  --ok: #1c6b45;
  --ok-soft: #e6f3ec;
  --shadow: 0 1px 0 rgba(30, 27, 22, 0.04);
  color-scheme: light;
  font-family: "Noto Sans CJK SC", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}
a { color: var(--accent); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

.top {
  background: #17241e;
  color: #f6f3ec;
  position: sticky;
  top: 0;
  z-index: 2;
}
.top a { color: inherit; text-decoration: none; }
.top-row {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  gap: 12px 18px;
  align-items: center;
  flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: 0.04em; }
.nav { display: flex; gap: 14px; flex: 1; }
.nav a { opacity: 0.86; }
.nav a:hover { opacity: 1; }
.logout { margin-left: auto; }
.logout button, .text-link, button {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 999px;
  padding: 8px 14px;
  min-height: 40px;
}
.top .logout button {
  background: transparent;
  color: #f6f3ec;
  border-color: rgba(246, 243, 236, 0.35);
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }
.foot {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 28px;
  color: var(--muted);
  font-size: 13px;
}

.page-head, .panel-head, .head-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 6px; font-weight: 680; }
h2 { font-size: 16px; margin: 0 0 8px; }
h3 { font-size: 13px; margin: 0 0 6px; color: var(--muted); font-weight: 600; }
.eyebrow { margin: 0 0 4px; color: var(--muted); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.lede, .hint, .meta, .muted { color: var(--muted); }
.hint { font-size: 13px; }
.meta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.mono { font-variant-numeric: tabular-nums; font-family: "IBM Plex Mono", "Source Code Pro", ui-monospace, monospace; font-size: 13px; }

.mode {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid transparent;
}
.mode-sim { background: var(--warn-soft); color: var(--warn); }
.mode-live { background: var(--danger-soft); color: var(--danger); }
.mode-readonly { background: #ece7de; color: var(--muted); }
.top .mode { background: rgba(255, 253, 248, 0.12); }

.banner {
  border-radius: 12px;
  padding: 12px 14px;
  margin: 0 0 14px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.banner.warn { background: var(--warn-soft); border-color: #ead7b0; color: #6d4710; }
.banner.error, .banner.danger { background: var(--danger-soft); border-color: #efcdc6; color: #7a2828; }
.banner.ok { background: var(--ok-soft); border-color: #cfe4d8; color: #145336; }
.notes { margin: 0 0 16px; padding-left: 18px; color: #6d4710; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 12px; }
.stat, .panel, .book, .login-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 16px;
}
.stat h2, .panel { margin-bottom: 0; }
.panel { margin-top: 12px; }
.stat-value { font-size: 28px; margin: 8px 0; font-variant-numeric: tabular-nums; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 8px 0 0; }
.facts div { min-width: 0; }
.facts dt { color: var(--muted); font-size: 12px; }
.facts dd { margin: 4px 0 0; font-variant-numeric: tabular-nums; }

.books { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.book.up { background: linear-gradient(180deg, var(--up-soft), var(--paper) 72px); }
.book.down { background: linear-gradient(180deg, var(--down-soft), var(--paper) 72px); }
.book header { display: flex; justify-content: space-between; align-items: baseline; }
.price-now { font-size: 28px; margin: 0; font-variant-numeric: tabular-nums; }
.book.up .price-now, .book.up h2 { color: var(--up); }
.book.down .price-now, .book.down h2 { color: var(--down); }
.quote { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 8px 0 12px; }
.quote dt { color: var(--muted); font-size: 12px; }
.quote dd { margin: 2px 0 0; font-variant-numeric: tabular-nums; font-weight: 650; }
.ladder { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-size: 12px; font-weight: 600; }
.num { text-align: right; }
.table-wrap { overflow-x: auto; }
.pos { color: var(--up); }
.neg { color: var(--down); }
.buy { color: var(--up); }
.sell { color: var(--down); }
.empty { color: var(--muted); margin: 8px 0; }

.level {
  border: 0;
  background: transparent;
  padding: 4px 0;
  min-height: 32px;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.order-form, .stack { display: grid; gap: 12px; margin-top: 12px; }
.order-form fieldset { border: 0; margin: 0; padding: 0; min-inline-size: 0; }
.choices { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.choices legend { width: 100%; font-size: 13px; color: var(--muted); padding: 0; }
label { display: grid; gap: 6px; font-size: 14px; }
input[type="password"], input[type="text"], input:not([type]), select, input[inputmode="decimal"] {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 44px;
}
.check { display: flex; gap: 8px; align-items: flex-start; }
.check input { margin-top: 3px; }
.check.compact { font-size: 12px; }
.primary, .order-form button[type="submit"], .stack button {
  background: var(--accent);
  color: #f7f4ee;
  border: 0;
  border-radius: 999px;
  min-height: 44px;
  padding: 10px 18px;
}
.inline-form { display: flex; gap: 8px; align-items: center; }
.tabs { display: flex; gap: 8px; margin: 8px 0 14px; }
.tabs a {
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 999px;
  padding: 8px 12px;
}
.tabs a[aria-current="page"] { background: #17241e; color: #f6f3ec; border-color: #17241e; }
.login-card { max-width: 440px; margin: 8vh auto; }
.refreshing { display: none; color: var(--muted); font-size: 13px; }
.htmx-request .refreshing { display: inline; }

fieldset:disabled { opacity: 0.62; }

@media (max-width: 800px) {
  .stats, .books, .facts, .quote { grid-template-columns: 1fr 1fr; }
  .ladder { grid-template-columns: 1fr; }
  h1 { font-size: 24px; }
  .logout { margin-left: 0; }
}
@media (max-width: 560px) {
  .stats, .facts, .quote { grid-template-columns: 1fr; }
  .top-row { align-items: flex-start; }
}