/* XARTATOMS handbook stylesheet (build v0.1). Bilingual rules pasted from skill assets_ref/lang.css unchanged. */
:root {
  --bg: #ffffff; --fg: #1a1a1a; --muted: #5a5a5a; --line: #d8d8d8;
  --accent: #0b5394; --accent2: #b45309; --card: #f6f7f9; --ok: #2e7d32; --warn: #b45309; --bad: #c62828;
}
html[data-theme="dark"] {
  --bg: #14161a; --fg: #e8e8e8; --muted: #a0a0a0; --line: #3a3d44;
  --accent: #6fa8dc; --accent2: #e0a458; --card: #1d2026; --ok: #7bc47f; --warn: #e0a458; --bad: #ef8a8a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font: 16px/1.65 -apple-system, "Segoe UI", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  padding: 0 16px;
}
main, header.site, footer.site { max-width: 960px; margin: 0 auto; }
header.site { padding: 14px 0 6px; border-bottom: 1px solid var(--line); }
header.site h1 { font-size: 1.25rem; margin: 0 0 6px; }
header.site .sub { color: var(--muted); font-size: 0.9rem; }
.hdr-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
nav.toc { padding: 6px 0 10px; font-size: 0.88rem; }
nav.toc a { color: var(--accent); text-decoration: none; margin-right: 12px; white-space: nowrap; }
nav.toc a:hover { text-decoration: underline; }
details.tocbox { font-size: 0.88rem; margin: 4px 0 8px; }
details.tocbox summary { cursor: pointer; color: var(--accent); }
main { padding: 10px 0 40px; }
h2 { font-size: 1.15rem; border-bottom: 1px solid var(--line); padding-bottom: 4px; margin-top: 1.8em; }
h3 { font-size: 1.02rem; margin-top: 1.4em; }
table { border-collapse: collapse; width: 100%; font-size: 0.86rem; margin: 10px 0; }
th, td { border: 1px solid var(--line); padding: 5px 7px; text-align: left; vertical-align: top; }
th { background: var(--card); }
tr { background: var(--bg); }
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 10px 0; max-width: 100%; }
.tablewrap table { margin: 0; min-width: 640px; }
html, body { max-width: 100%; overflow-x: clip; }
pre {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  padding: 10px 12px; overflow-x: auto; font-size: 0.82rem; line-height: 1.5;
  max-width: 100%;
}
code { font-size: 0.88em; }
pre code { background: none; padding: 0; }
.src {
  color: var(--muted); font-size: 0.78rem; margin: 2px 0 14px; overflow-wrap: anywhere;
}
.src code { overflow-wrap: anywhere; }
.src::before { content: "来源 / Source: "; font-weight: 600; }
.fig { margin: 14px 0; }
.fig img { max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.figcap { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 0.75rem; border: 1px solid currentColor; margin-right: 4px; }
.b-trusted { color: var(--ok); } .b-prov { color: var(--warn); } .b-q { color: var(--bad); } .b-dep { color: var(--muted); }
.callout { border-left: 4px solid var(--accent); background: var(--card); padding: 8px 12px; margin: 12px 0; border-radius: 0 6px 6px 0; }
.callout.warn { border-left-color: var(--accent2); }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.8rem; padding: 12px 0 30px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } }
/* theme button */
.theme-btn, .lang-toggle {
  font: inherit; font-size: 0.9rem; padding: 0.3rem 0.8rem; min-height: 44px; min-width: 44px;
  border: 1px solid currentColor; border-radius: 999px; background: transparent; color: inherit; cursor: pointer;
}
.theme-btn:focus-visible, .lang-toggle:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
/* bilingual switch — pasted from assets_ref/lang.css unchanged */
html[data-lang="en"] .l-zh,
html:not([data-lang="en"]) .l-en { display: none !important; }
.lang-toggle {
  font: inherit; font-size: 0.9rem; padding: 0.3rem 0.8rem; min-height: 44px; min-width: 44px;
  border: 1px solid currentColor; border-radius: 999px; background: transparent; color: inherit; cursor: pointer;
}
.lang-toggle:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
/* animations */
.anim-ctl { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 8px 0; font-size: 0.85rem; }
.anim-ctl input[type="range"] { flex: 1 1 140px; min-width: 120px; }
.anim-box { border: 1px solid var(--line); border-radius: 6px; padding: 8px; background: var(--card); }
.anim-box svg { display: block; max-width: 100%; height: auto; }
.anim-val { font-family: monospace; }
/* objectives cards */
.obj { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 10px 0; background: var(--card); }
.obj h4 { margin: 0 0 6px; font-size: 0.98rem; }
.trend-up::after { content: " ↗"; color: var(--warn); }
.trend-flat::after { content: " →"; color: var(--muted); }
.trend-down::after { content: " ↘"; color: var(--bad); }