/* learn.theCallboard.app (built by learn/build.py) */
:root {
  --ink: #142030; --ink-2: #4a5665; --ink-3: #7b8696; --paper: #f3f5f8; --sheet: #ffffff; --rule: #dde2e8;
  --accent: #2559a8; --stage: #0b1119; --stage-ink-2: #9fb0c3; --rehearsal: #f2c230; --ok: #1f8a55; --danger: #c0392b;
  --display: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif; --body: "Barlow", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --ink: #e6edf4; --ink-2: #aeb9c7; --ink-3: #7d8a9b; --paper: #0b1119; --sheet: #121b26; --rule: #243243; --accent: #5b9bea; --ok: #3fbf7f; --danger: #e8685a; color-scheme: dark; }
}
:root[data-theme="dark"] { --ink: #e6edf4; --ink-2: #aeb9c7; --ink-3: #7d8a9b; --paper: #0b1119; --sheet: #121b26; --rule: #243243; --accent: #5b9bea; --ok: #3fbf7f; --danger: #e8685a; color-scheme: dark; }
* { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-padding-top: 1rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.65 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
.wrap { width: min(1100px, 100% - 32px); margin-inline: auto; }
.top { background: var(--stage); border-bottom: 1px solid rgba(255,255,255,0.06); }
.top .wrap { display: flex; align-items: center; gap: 1rem; min-height: 60px; flex-wrap: wrap; padding: 0.5rem 0; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; color: #fff; text-decoration: none; font: 700 1.35rem/1 var(--display); }
.brand svg { width: 28px; height: 28px; }
.wm { color: #5b9bea; }
.learn { color: var(--rehearsal); margin-left: 0.15rem; }
.top .search { flex: 1; min-width: 180px; max-width: 360px; }
.top .search input { width: 100%; border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.07); color: #fff; border-radius: 8px; padding: 0.45rem 0.75rem; font: inherit; font-size: 0.95rem; }
.top .search input::placeholder { color: var(--stage-ink-2); }
.top nav { margin-left: auto; display: flex; gap: 1.2rem; }
.top nav a { color: var(--stage-ink-2); text-decoration: none; font-weight: 500; }
.top nav a:hover { color: #fff; }
main { padding: 2.5rem 0 4rem; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.1; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 5vw, 3rem); margin: 0 0 0.4rem; }
h2 { font-size: 1.6rem; margin: 2.2rem 0 0.6rem; }
article h2 { padding-top: 1rem; border-top: 1px solid var(--rule); }
h3 { font-size: 1.25rem; margin: 1.6rem 0 0.4rem; }
p, li { color: var(--ink-2); }
li + li { margin-top: 0.3rem; }
strong { color: var(--ink); }
code { font-size: 0.9em; background: var(--sheet); border: 1px solid var(--rule); border-radius: 4px; padding: 0 0.25rem; }
.lede { font-size: 1.2rem; }
.crumbs { margin: 0 0 1rem; color: var(--ink-3); font-size: 0.95rem; }
.crumbs a { color: var(--ink-3); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.guide { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 3rem; align-items: start; }
.guide article { max-width: 720px; }
.side { position: sticky; top: 1.5rem; display: grid; gap: 1.5rem; }
.toc { display: grid; gap: 0.35rem; font-size: 0.95rem; }
.toc strong { font-family: var(--display); font-size: 1.05rem; }
.toc a { color: var(--ink-2); text-decoration: none; }
.toc a:hover { color: var(--accent); }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.97rem; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--rule); color: var(--ink-2); }
th { color: var(--ink); font-weight: 600; }
.callout { margin: 1.2rem 0; padding: 0.7rem 1rem; border-left: 4px solid var(--accent); background: var(--sheet); border-radius: 0 8px 8px 0; }
.callout p { margin: 0.3rem 0; }
.callout.tip { border-left-color: var(--ok); }
.callout.important { border-left-color: var(--rehearsal); }
.for { display: flex; gap: 0.4rem; flex-wrap: wrap; margin: 0.2rem 0 0.8rem; }
.aud { font-size: 0.8rem; font-weight: 600; padding: 0.1rem 0.55rem; border-radius: 999px; border: 1px solid var(--rule); color: var(--ink-2); background: var(--sheet); }
.aud-managers { color: var(--accent); border-color: currentColor; }
.aud-families { color: var(--ok); border-color: currentColor; }
.aud-performers { color: #b7791f; border-color: currentColor; }
.help { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: 0.95rem; }
.filters { display: flex; gap: 0.4rem; flex-wrap: wrap; margin: 1.4rem 0 0.5rem; }
.filters button { font: inherit; font-size: 0.95rem; padding: 0.3rem 0.85rem; border-radius: 999px; border: 1px solid var(--rule); background: var(--sheet); color: var(--ink); cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.9rem; }
.gcard { display: grid; gap: 0.3rem; align-content: start; background: var(--sheet); border: 1px solid var(--rule); border-radius: 12px; padding: 1rem 1.1rem; text-decoration: none; color: var(--ink-2); }
.gcard:hover { border-color: var(--accent); }
.gcard strong { font-size: 1.05rem; }
.gcard .for { margin: 0.2rem 0 0; }
.sec[hidden], .gcard[hidden], .filters[hidden] { display: none; }
#results { display: grid; gap: 0.8rem; margin-top: 1rem; }
.hit { display: block; background: var(--sheet); border: 1px solid var(--rule); border-radius: 12px; padding: 0.9rem 1.1rem; text-decoration: none; color: var(--ink-2); }
.hit:hover { border-color: var(--accent); }
.hit strong { display: block; font-size: 1.05rem; }
.hit .where { font-size: 0.85rem; color: var(--ink-3); }
.hit mark { background: color-mix(in srgb, var(--rehearsal) 45%, transparent); color: inherit; border-radius: 2px; }
footer { background: var(--stage); color: var(--stage-ink-2); padding: 1.6rem 0; font-size: 0.92rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 0.8rem 1.6rem; }
footer a { color: var(--stage-ink-2); text-decoration: none; }
footer a:hover { color: #fff; }
@media (max-width: 860px) {
  .guide { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .side { position: static; order: 2; }
}
@media (max-width: 560px) {
  .top nav { gap: 0.8rem; font-size: 0.92rem; margin-left: 0; }
  .top .search { order: 3; max-width: none; flex-basis: 100%; }
  th, td { padding: 0.5rem 0.4rem; }
}