:root {
  --fg: #0f172a;
  --muted: #475569;
  --bg: #ffffff;
  --accent: #DE0D32;
  --accent-dark: #ae0a27;
  --border: #e2e8f0;
}
html, body { margin:0; padding:0; background:var(--bg); color:var(--fg); font:16px/1.55 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif; }
html { scroll-behavior: smooth; }
.container { max-width: 960px; margin: 40px auto; padding: 0 20px; }
h1 { font-size: 28px; line-height:1.2; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 28px 0 10px; }
h3 { font-size: 18px; margin: 22px 0 8px; }
p { margin: 10px 0; }
.subtle { color: var(--muted); }
.card { border:1px solid var(--border); border-radius:12px; padding:16px 18px; background:#fff; }
table { border-collapse: collapse; width: 100%; margin: 10px 0 18px; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #f8fafc; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-size: 0.95em; }
pre { background: #0b1020; color: #e5e7eb; padding: 14px; border-radius: 10px; overflow: auto; border:1px solid #0b1020; }
.kbd { font: 12px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; border:1px solid var(--border); background:#f8fafc; border-radius:6px; padding:2px 6px; }
.footer { margin: 32px 0 0; font-size: 13px; color: var(--muted); }
.toc { 
  position: fixed;
  top: 0;
  left: 0;
  width: 25%;
  height: 100%;
  height: 100vh;
  overflow-y: auto;
  padding: 20px;
  background: #f9fafb;
  border-right: 1px solid var(--border);
  box-sizing: border-box;
}
.toc h2 { margin:0 0 10px; font-size: 18px; }
.toc a { color: var(--fg); text-decoration: none; font-size: small; }
.toc a:hover, .toc a:focus { color: var(--accent); text-decoration: underline; outline: none; }
.toc ::marker { font-size: small;}
.btns { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin: 8px 0 18px; }
.btn { display:inline-block; border:1px solid var(--border); background:#fff; border-radius:10px; padding:8px 12px; cursor:pointer; text-decoration:none; color:var(--fg); font-size: 12px; line-height: 1;}
.btn:hover { border-color: #cbd5e1; }
.backtotop { font-size: 13px; margin-top: 6px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.login-card { max-width: 420px; margin: 80px auto; padding: 20px; border:1px solid var(--border); border-radius:12px; background:#fff; }
.login-card h1 { font-size: 22px; margin: 0 0 8px; }
.form-row { margin: 10px 0; }
label { display:block; margin-bottom: 6px; }
input[type="text"], input[type="password"] { width: 100%; padding: 10px; border:1px solid var(--border); border-radius:8px; box-sizing: border-box;}
.login-card button { margin-top: 8px; }
.error { color: #b91c1c; margin: 10px 0; }
.hint { font-size: 13px; color: var(--muted); margin-top: 8px; }
.strong { font-weight: 600; }
.italic { font-style: italic; }

#doc{
  max-width: 70%;
  margin: 0 0 0 25%;
  padding: 20px;
  box-sizing: border-box;
}

a{
  color: var(--accent);
  text-decoration: none;
}

a:hover, a:focus {
  color: var(--accent-dark);
  text-decoration: underline;
  outline: none;
}

@media print {
  .toc, .btns { display:none !important; }
  a[href]:after { content: " (" attr(href) ")"; font-size: 85%; color: #6b7280; }
  body { color: #000; }
  pre { page-break-inside: avoid; }
  h1, h2, h3 { page-break-after: avoid; }
}