:root {
  color-scheme: light;
  --bg: #f8fafc;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #0d9488;
  --accent-strong: #0f766e;
  --ok: #0f766e;
  --warn: #b45309;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
a { color: inherit; }
button, input { font: inherit; }

.shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 28px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand i {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #14b8a6, #0d9488);
  color: white;
  display: grid;
  place-items: center;
  font-style: normal;
  font-weight: 700;
}
.brand b { font-size: 16px; letter-spacing: 0; }
.brand span, .status-pill {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  color: var(--muted);
}
.status-pill {
  border: 1px solid #f0d7a6;
  background: #fff8eb;
  color: var(--warn);
  border-radius: 999px;
  padding: 2px 8px;
}
.nav { display: flex; gap: 18px; font-family: ui-sans-serif, system-ui, sans-serif; font-size: 14px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a[aria-current="page"] { color: var(--accent-strong); font-weight: 650; }

main { max-width: 1080px; margin: 0 auto; padding: 32px 20px 64px; }
.kicker { font-family: ui-sans-serif, system-ui, sans-serif; color: var(--muted); font-size: 13px; letter-spacing: 0.08em; }
h1 { font-size: 40px; line-height: 1.15; margin: 8px 0 12px; font-weight: 650; }
.lead { max-width: 680px; color: #344054; margin-top: 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 28px; }
.card, .block, .model {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.card { display: block; padding: 18px; text-decoration: none; }
.card em { font-style: normal; font-family: ui-sans-serif, system-ui, sans-serif; font-size: 12px; color: var(--muted); }
.card h2 { margin: 8px 0; font-size: 22px; }
.card p { margin: 0; color: var(--muted); }

.block { padding: 20px 22px; margin-top: 16px; }
.block h2 { margin: 0 0 8px; font-size: 22px; }
pre {
  overflow: auto;
  padding: 12px 14px;
  border-radius: 12px;
  background: #0f172a;
  color: #f8fafc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
table { width: 100%; border-collapse: collapse; font-family: ui-sans-serif, system-ui, sans-serif; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0 16px; }
.toolbar button, .ghost {
  font-family: ui-sans-serif, system-ui, sans-serif;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
}
.toolbar button[aria-pressed="true"] { background: var(--accent); color: white; border-color: var(--accent); }
.toolbar input {
  font-family: ui-sans-serif, system-ui, sans-serif;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 6px 12px;
}
.note { color: var(--muted); font-family: ui-sans-serif, system-ui, sans-serif; font-size: 13px; }
.alert { padding: 10px 12px; border-radius: 12px; background: #fff8eb; color: var(--warn); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.model { padding: 16px; }
.model header { display: flex; justify-content: space-between; gap: 12px; }
.model h2 { margin: 0; font-size: 16px; font-family: ui-sans-serif, system-ui, sans-serif; }
.iq { margin: 6px 0 0; font-size: 28px; font-variant-numeric: tabular-nums; }
.tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 6px;
  background: #f0fdfa;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  color: var(--muted);
}
.efforts { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 8px; margin-top: 12px; }
.effort {
  display: grid;
  grid-template-columns: 1fr auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fbfcfd;
}
.effort div { padding: 8px; }
.effort p { margin: 0; }
.effort .side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 64px;
  border-left: 1px solid var(--line);
  text-align: center;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
}
.spark { width: 112px; height: 48px; color: #0d9488; }
button[type="submit"], .desk-form button, .admin-reply button {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  padding: 8px 16px;
  cursor: pointer;
}
html.embed .shell { display: none; }
html.embed main { padding-top: 16px; }
@media (max-width: 720px) {
  h1 { font-size: 32px; }
  .shell { padding: 12px 16px; align-items: flex-start; flex-direction: column; }
}