.fieldbook-index,.fieldbook-article {
  --fieldbook-ink:#17252e;
  --fieldbook-navy:#122532;
  --fieldbook-paper:#fffdf8;
  --fieldbook-rule:#dad4c5;
  --fieldbook-accent:#1b605d;
  --fieldbook-tint:#e3f0e9;
  --fieldbook-gold:#f0c47e;
  color:var(--fieldbook-ink);
}
.fieldbook-index [hidden] { display:none!important }
.fieldbook-index :focus-visible,.fieldbook-article :focus-visible {
  outline:3px solid #ad5505;
  outline-offset:3px;
}
.fieldbook-kicker {
  color:var(--fieldbook-accent);
  font:800 .75rem/1.4 system-ui,sans-serif;
  letter-spacing:.105em;
  text-transform:uppercase;
}
.fieldbook-hero {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.96fr);
  align-items:center;
  gap:clamp(1.25rem,4vw,3rem);
  padding:clamp(1.2rem,4vw,3rem);
  border-radius:12px;
  background:var(--fieldbook-navy);
  color:var(--fieldbook-paper);
}
.fieldbook-hero .breadcrumb,.fieldbook-hero .breadcrumb a { color:#e0e7e8 }
.fieldbook-hero .fieldbook-kicker { color:var(--fieldbook-gold); margin:1rem 0 .6rem }
.fieldbook-hero h1,.fieldbook-shelf h2,.fieldbook-directory h2,.fieldbook-article .guide-head h1 {
  font-family:var(--serif,Georgia,serif);
  line-height:1.06;
  letter-spacing:-.035em;
  text-wrap:balance;
}
.fieldbook-hero h1 { font-size:clamp(2.45rem,6vw,4.8rem); margin:0 0 .35em }
.fieldbook-hero p:not(.fieldbook-kicker) { color:#e0e7e8; font-size:1.08rem; max-width:36ch; margin:0 0 1.15rem }
.fieldbook-hero img { display:block; width:100%; height:auto; border:1px solid #5d6870; border-radius:8px }
.fieldbook-button {
  display:inline-block; color:var(--fieldbook-navy); background:var(--fieldbook-gold);
  border-radius:5px; padding:.66rem .9rem; font-weight:800;
}
.fieldbook-button:hover { text-decoration:underline }
.fieldbook-shelf,.fieldbook-directory { margin-block:2.45rem }
.fieldbook-shelf h2,.fieldbook-directory h2 { margin:.35rem 0 1rem; font-size:clamp(1.75rem,4vw,2.65rem) }
.fieldbook-shelves { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:.85rem }
.fieldbook-shelf-card {
  display:grid; grid-template-rows:105px auto; min-width:0; overflow:hidden; border-radius:8px;
  border:1px solid var(--fieldbook-rule); color:inherit; background:var(--fieldbook-paper);
}
.fieldbook-shelf-card img { display:block; width:100%; height:100%; object-fit:cover }
.fieldbook-shelf-card div { padding:.82rem .95rem }
.fieldbook-shelf-card h3 { margin:0 0 .28rem; font:600 1.28rem var(--serif,Georgia,serif) }
.fieldbook-shelf-card p { margin:0; color:#47565d; font-size:.9rem }
.fieldbook-shelf-card:hover h3 { text-decoration:underline }
.fieldbook-shortcuts { display:flex; flex-wrap:wrap; gap:.45rem 1rem; margin-top:1rem; font-size:.88rem }
.fieldbook-shortcuts a,.fieldbook-collection h3 a,.fieldbook-toc a,.fieldbook-screen summary,.fieldbook-workflow a {
  color:var(--fieldbook-accent); text-decoration:underline; text-underline-offset:.18em;
}
.fieldbook-directory { border-top:1px solid var(--fieldbook-rule); padding-top:1.6rem; scroll-margin-top:6rem }
.fieldbook-fragment { display:block; scroll-margin-top:7rem }
#fieldbook-filters {
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,.55fr) auto; align-items:end;
  gap:.65rem; padding:.9rem; border-radius:8px; background:#eee9db;
}
#fieldbook-filters label { display:grid; gap:.25rem; min-width:0; font-size:.83rem; font-weight:750 }
#fieldbook-filters input,#fieldbook-filters select,#fieldbook-filters button {
  width:100%; min-width:0; min-height:44px; padding:.45rem .62rem; border:1px solid #928e82;
  border-radius:5px; color:var(--fieldbook-ink); background:var(--fieldbook-paper); font:inherit;
}
#fieldbook-filters button { cursor:pointer; font-weight:700 }
.fieldbook-index #guide-search-status { margin:.75rem 0; color:#47565d }
.fieldbook-collection { margin:2rem 0 2.3rem }
.fieldbook-collection header { display:flex; justify-content:space-between; align-items:baseline; gap:.6rem; border-bottom:1px solid var(--fieldbook-rule) }
.fieldbook-collection header h3 { font:600 clamp(1.22rem,3vw,1.68rem) var(--serif,Georgia,serif); margin:0 0 .45rem }
.fieldbook-collection header small { white-space:nowrap; color:#47565d }
.fieldbook-collection>p { margin:.45rem 0; color:#47565d }
.fieldbook-collection .guide-list { grid-template-columns:repeat(3,minmax(0,1fr)); gap:.65rem; margin-top:.75rem }
.fieldbook-collection .guide-card { border-radius:7px; border-color:var(--fieldbook-rule); border-inline-start:3px solid var(--fieldbook-accent); background:var(--fieldbook-paper) }
.fieldbook-collection .guide-card:hover { background:#f2f8f3; transform:none; box-shadow:none }
.fieldbook-collection .guide-card:hover h3 { text-decoration:underline }
.fieldbook-collection .guide-card-body { padding:.8rem .9rem }
.fieldbook-collection .guide-card-body p { font-size:.9rem; line-height:1.45 }
.fieldbook-collection .guide-card-body small { color:var(--fieldbook-accent); font-size:.7rem }
.fieldbook-article .guide-head { max-width:940px; margin-bottom:1.35rem }
.fieldbook-article .guide-head h1 { max-width:22ch; font-size:clamp(2.25rem,5.3vw,4.2rem) }
.fieldbook-article .guide-grid { grid-template-columns:minmax(0,210px) minmax(0,690px); gap:clamp(1rem,4vw,2.75rem) }
.fieldbook-article .guide-body { line-height:1.72 }
.fieldbook-toc { position:sticky; align-self:start; top:92px; border:1px solid var(--fieldbook-rule); border-radius:7px; background:var(--fieldbook-paper) }
.fieldbook-toc details { max-height:calc(100vh - 110px); overflow:auto }
.fieldbook-toc summary,.fieldbook-screen summary { padding:.7rem .8rem; cursor:pointer; font-size:.9rem; font-weight:750 }
.fieldbook-toc nav { padding:0 .8rem .8rem; display:grid; gap:.32rem; line-height:1.35; font-size:.8rem }
.fieldbook-note { margin:0 0 1rem; padding:.82rem 1rem; border-inline-start:4px solid var(--fieldbook-accent); border-radius:6px; background:var(--fieldbook-tint) }
.fieldbook-note p:last-child { margin:0 }
.fieldbook-lesson .fieldbook-kicker { margin:0 0 .38rem }
.fieldbook-workflow { margin:1rem 0 1.35rem; padding:.85rem; border:1px solid var(--fieldbook-rule); border-radius:8px; background:var(--fieldbook-paper) }
.fieldbook-workflow ol,.fieldbook-workflow ul { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:.85rem; list-style:none; padding:0; margin:.6rem 0 0 }
.fieldbook-workflow li { position:relative; padding:.52rem .62rem; margin:0; border-radius:5px; background:var(--fieldbook-tint); font-size:.88rem; line-height:1.36; font-weight:700 }
.fieldbook-workflow li small { display:block; color:var(--fieldbook-accent); font-size:.68rem; text-transform:uppercase; letter-spacing:.065em; margin-bottom:.25rem }
.fieldbook-workflow ol li:not(:last-child)::after {
  content:""; position:absolute; top:50%; right:-.61rem; width:.32rem; height:.32rem;
  border-top:2px solid var(--fieldbook-accent); border-right:2px solid var(--fieldbook-accent);
  transform:translateY(-50%) rotate(45deg);
}
.fieldbook-screen { margin:0 0 1rem }
.fieldbook-screen summary { width:fit-content; padding:.3rem 0 }
.fieldbook-screen figure { padding:.7rem; margin:.6rem 0 1rem; border:1px solid var(--fieldbook-rule); border-radius:8px; background:var(--fieldbook-paper) }
.fieldbook-screen img { display:block; max-width:100%; max-height:600px; width:auto; height:auto; margin:auto }
.fieldbook-screen figcaption { margin-top:.65rem; color:#47565d; font-size:.86rem }
.fieldbook-article .guide-figure { border:1px solid var(--fieldbook-rule); border-radius:8px; background:var(--fieldbook-paper); padding:.75rem }
@media(max-width:900px) {
  .fieldbook-collection .guide-list { grid-template-columns:repeat(2,minmax(0,1fr)) }
  .fieldbook-article .guide-grid { grid-template-columns:minmax(0,690px) }
  .fieldbook-toc { position:static }
  .fieldbook-toc details { max-height:none }
}
@media(max-width:640px) {
  .fieldbook-hero,.fieldbook-shelves,.fieldbook-collection .guide-list,.fieldbook-workflow ol,.fieldbook-workflow ul { grid-template-columns:minmax(0,1fr) }
  .fieldbook-hero img { aspect-ratio:1.8; object-fit:cover }
  .fieldbook-shelf-card { grid-template-columns:90px minmax(0,1fr); grid-template-rows:auto }
  #fieldbook-filters { grid-template-columns:minmax(0,1fr) auto }
  #fieldbook-filters label:first-child { grid-column:1/-1 }
  .fieldbook-workflow li small { display:inline-block; margin:0 .4rem 0 0 }
  .fieldbook-workflow ol li:not(:last-child)::after { top:auto; bottom:-.56rem; right:auto; left:.85rem; transform:rotate(135deg) }
}