/* Trilha — página "Como usar" (usa os tokens de app.css) */
a.btn { text-decoration: none; display: inline-block; }
.ajuda { max-width: 1180px; margin: 0 auto; padding: 22px; display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 28px; align-items: start; }
.toc { position: sticky; top: 70px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; font-size: .88rem; }
.toc strong { display: block; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc ol ol { padding-left: 12px; font-size: .84rem; }
.toc a { display: block; padding: 4px 8px; border-radius: 6px; color: var(--text); text-decoration: none; }
.toc a:hover { background: var(--surface-2); }
.toc a.ativo { background: var(--accent-soft); color: var(--accent-text); font-weight: 600; }
.doc { min-width: 0; }
.bloco { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; margin-bottom: 18px; box-shadow: var(--shadow); scroll-margin-top: 70px; }
.bloco.destaque { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), var(--surface) 70%); }
.bloco h1 { font-size: 1.6rem; margin: 0 0 8px; }
.bloco h2 { font-size: 1.25rem; margin: 0 0 10px; }
.bloco h3 { font-size: 1rem; margin: 18px 0 8px; color: var(--accent-text); }
.bloco p, .bloco li, .bloco dd { line-height: 1.6; }
.bloco ul { padding-left: 1.2rem; }
.bloco li { margin: 4px 0; }
.lead { font-size: 1rem; color: var(--text); max-width: 78ch; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; margin: 12px 0 4px; }
.card-mini { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.card-mini b { display: block; margin-bottom: 3px; }
.card-mini span { font-size: .88rem; color: var(--muted); }
.passos-lista { padding-left: 1.3rem; }
.passos-lista li { margin: 8px 0; padding-left: 4px; }
.ui { display: inline-block; font-size: .84em; font-weight: 600; padding: 0 6px; border-radius: 5px; border: 1px solid var(--border); background: var(--surface-2); white-space: nowrap; }
kbd { display: inline-block; font: 600 .78em ui-monospace, Menlo, monospace; padding: 1px 6px; border-radius: 5px; border: 1px solid var(--border); border-bottom-width: 2px; background: var(--surface); }
.tipos { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 8px 0; }
.tipos .node { margin: 0; cursor: default; }
.tipos .node .sub { margin-top: 4px; }
.linhas-ex { display: flex; flex-direction: column; gap: 8px; margin: 6px 0 12px; color: var(--muted); font-size: .92rem; }
.linhas-ex span { display: flex; align-items: center; gap: 8px; }
.linhas-ex b { color: var(--text); }
.linhas-ex .perigo svg { color: var(--danger); }
.linhas-ex .info svg { color: var(--info); }
.defs { margin: 0; }
.defs dt { font-weight: 700; margin-top: 10px; }
.defs dd { margin: 2px 0 0; color: var(--muted); }
.codigo { position: relative; border: 1px solid var(--border); border-radius: 10px; background: var(--code-bg); margin-top: 8px; }
.codigo-acoes { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--border); background: var(--surface-2); border-radius: 10px 10px 0 0; }
.codigo pre { margin: 0; padding: 14px 16px; font: .8rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; word-break: break-word; max-height: 360px; overflow: auto; }
.codigo pre.alto { max-height: 520px; }
.montador { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; margin: 10px 0; }
.montador label.field:first-child { grid-column: 1 / -1; }
.montador .dica { display: block; font-size: .78rem; color: var(--muted); margin: -2px 0 4px; }
.montador textarea::placeholder, .montador input::placeholder { color: color-mix(in srgb, var(--muted) 70%, transparent); }
.aviso { font-size: .86rem; color: var(--warn); }
textarea.saida { font: .8rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; margin: 8px 0; min-height: 240px; }
@media (max-width: 900px) {
  .ajuda { grid-template-columns: minmax(0, 1fr); padding: 14px; }
  .toc { position: static; }
  .montador { grid-template-columns: minmax(0, 1fr); }
  .bloco { padding: 18px 16px; }
}