/* Shared shell for the standalone full-width pages (User Guide, Academy).
   No workbench sidebar: these open in their own tab. */
:root {
  --bg: #f4f7fd;
  --ink: #17233a;
  --muted: #4d5d75;
  --line: #dde5f0;
  --card: #ffffff;
  --accent: #3b82f6;
  --accent2: #7c3aed;
  --accent-soft: #e9f0fe;
  --grad: linear-gradient(120deg, #3b82f6, #5b6cf8 55%, #7c3aed);
  --ok: #16a34a;
  --warn: #b45309;
  --shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 8px 24px rgba(59, 92, 160, .07);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.65; font-size: 15px;
}

/* ---- top bar ---- */
.doc-top {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.doc-top .inner {
  max-width: 1140px; margin: 0 auto; padding: 11px 22px;
  display: flex; align-items: center; gap: 14px;
}
.doc-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.doc-brand .nm { font-size: 17px; font-weight: 700; line-height: 1.1; }
.doc-brand .nm b { color: var(--accent); }
.doc-brand .nm small { display: block; font-size: 10px; font-weight: 500; color: #93a1b5; letter-spacing: .3px; }
.doc-top .spacer { flex: 1; }
.doc-top a.tbtn, .doc-top button.tbtn {
  font: inherit; font-size: 13.5px; font-weight: 600; text-decoration: none; cursor: pointer;
  padding: 7px 14px; border-radius: 9px; border: 1px solid var(--line); background: #fff; color: var(--ink);
  transition: transform .18s, border-color .18s, background .18s, box-shadow .18s;
}
.doc-top a.tbtn:hover, .doc-top button.tbtn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.doc-top a.tbtn.primary, .doc-top button.tbtn.primary {
  background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 4px 14px rgba(59, 130, 246, .3);
}
.doc-top a.tbtn.primary:hover { color: #fff; box-shadow: 0 7px 20px rgba(59, 130, 246, .42); }

/* ---- layout ---- */
.doc-wrap { max-width: 1140px; margin: 0 auto; padding: 26px 22px 70px; display: grid; grid-template-columns: 250px 1fr; gap: 30px; align-items: start; }
.doc-wrap.narrow { grid-template-columns: 1fr; max-width: 900px; }
.doc-toc { position: sticky; top: 74px; }
.doc-toc h4 { font-size: 11.5px; text-transform: uppercase; letter-spacing: .6px; color: #7d8ba1; margin-bottom: 8px; }
.doc-toc a {
  display: block; padding: 6px 10px; border-radius: 8px; font-size: 13.5px;
  color: var(--muted); text-decoration: none; border-left: 2px solid transparent;
}
.doc-toc a:hover { background: var(--accent-soft); color: var(--accent); }
.doc-toc a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; border-left-color: var(--accent); }
.doc-toc .done::after { content: " ✓"; color: var(--ok); font-weight: 700; }

.card { background: var(--card); border-radius: 14px; box-shadow: var(--shadow); padding: 24px 28px; margin-bottom: 18px; }
.card.pad-sm { padding: 16px 18px; }

h1 { font-size: clamp(25px, 4vw, 34px); line-height: 1.18; letter-spacing: -.4px; margin-bottom: 8px; }
h2 { font-size: 21px; margin: 26px 0 8px; letter-spacing: -.2px; }
h2:first-child { margin-top: 0; }
h3 { font-size: 16.5px; margin: 20px 0 6px; }
h4 { font-size: 14.5px; margin: 14px 0 4px; }
p { margin-bottom: 11px; }
ul, ol { margin: 0 0 12px 20px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
.lede { font-size: 16.5px; color: var(--muted); margin-bottom: 4px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
code { background: #eef2f8; padding: 1px 5px; border-radius: 5px; font-size: 13px; }

.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 10px 0 4px; }
.tag { background: var(--accent-soft); color: #2b58c9; font-size: 12px; font-weight: 600; padding: 4px 11px; border-radius: 20px; }
.tag.grey { background: #eef2f8; color: #4d5d75; }
.tag.ok { background: #dcfce7; color: #15803d; }

.callout { border-left: 4px solid var(--accent); background: #f5f9ff; border-radius: 0 10px 10px 0; padding: 13px 16px; margin: 14px 0; }
.callout.warn { border-left-color: #f59e0b; background: #fffbeb; }
.callout.ok { border-left-color: var(--ok); background: #f0fdf4; }
.callout b { display: block; margin-bottom: 3px; }

table.tbl { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 13.5px; }
table.tbl th, table.tbl td { border: 1px solid var(--line); padding: 8px 11px; text-align: left; vertical-align: top; }
table.tbl th { background: #f3f7fd; font-weight: 650; }
.scroll-x { overflow-x: auto; }

figure { margin: 16px 0; }
figure svg { max-width: 100%; height: auto; display: block; margin: 0 auto; }
figcaption { font-size: 12.5px; color: var(--muted); text-align: center; margin-top: 7px; }

.doc-foot { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 0 10px; border-top: 1px solid var(--line); margin-top: 26px; }

@media (max-width: 900px) {
  .doc-wrap { grid-template-columns: 1fr; }
  .doc-toc { position: static; order: -1; }
  .doc-toc .toc-links { display: flex; flex-wrap: wrap; gap: 5px; }
  .doc-toc a { border-left: none; }
  .card { padding: 18px 16px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }