/* content.css — article / guide / templates / checklist layout
   Inherits the paper + card aesthetic from styles.css.
   Loaded after styles.css on content pages. */

:root {
  --paper: #f4f1e8;
  --paper-2: #ebe6d9;
  --ink: #191a1d;
  --ink-soft: #575b63;
  --line: rgba(25, 26, 29, 0.16);
  --panel: rgba(255, 255, 255, 0.72);
  --blue: #315efb;
  --coral: #ef6b57;
  --lime: #b7d83f;
  --yellow: #f2c94c;
  --human: #ef6b57;
  --ai: #315efb;
  --shared: #7d5ce7;
  --page-max: 1280px;
  --reading-max: 760px;
  --cta-max: 900px;
  --page-gutter: clamp(16px, 4vw, 48px);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 12px var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
}
.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-weight: 800;
}
.brand__mark span { color: var(--blue); }
.brand__name { letter-spacing: 0.02em; }
.site-nav { display: flex; gap: clamp(12px, 2vw, 28px); flex-wrap: wrap; }
.site-nav a { color: var(--ink-soft); text-decoration: none; font-weight: 600; }
.site-nav a:hover { color: var(--ink); }

main { display: block; }

.breadcrumb { max-width: var(--page-max); margin: 0 auto; padding: 14px var(--page-gutter) 0; }
.breadcrumb ol { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; margin: 0; padding: 0; font-size: 0.85rem; color: var(--ink-soft); }
.breadcrumb li::after { content: "›"; margin-left: 8px; color: var(--line); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }

.article { max-width: var(--page-max); margin: 0 auto; padding: 0 var(--page-gutter) 64px; }
.article-header { max-width: var(--reading-max); margin: 18px auto 8px; }
.section-eyebrow {
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0 0 6px; font-weight: 700;
}
.article-header h1 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); line-height: 1.25; margin: 0 0 12px; }
.article-lede { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.7; margin: 0 0 8px; }
.article-meta { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }

.article-layout { display: grid; grid-template-columns: 240px minmax(0, var(--reading-max)); gap: 40px; justify-content: center; margin-top: 24px; }
.article-toc { position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 110px); overflow: auto; }
.toc-inner { border-left: 2px solid var(--line); padding-left: 14px; font-size: 0.9rem; }
.toc-inner a { display: block; color: var(--ink-soft); text-decoration: none; padding: 4px 0; }
.toc-inner a:hover { color: var(--ink); }
.toc-inner a.active { color: var(--blue); font-weight: 700; }

.article-body { min-width: 0; line-height: 1.8; }
.article-body h2 { font-size: 1.4rem; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); }
.article-body h3 { font-size: 1.12rem; margin: 24px 0 8px; }
.article-body p { margin: 0 0 14px; }
.article-body ul, .article-body ol { margin: 0 0 14px; padding-left: 1.4em; }
.article-body li { margin: 4px 0; }
.article-body a { color: var(--blue); }
.article-body pre { background: #1d1e22; color: #f4f1e8; padding: 14px 16px; border-radius: 10px; overflow-x: auto; font-size: 0.88rem; }
.article-body code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.article-body :not(pre) > code { background: var(--paper-2); padding: 1px 6px; border-radius: 5px; font-size: 0.9em; }

.direct-answer { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--blue); padding: 14px 16px; border-radius: 10px; margin: 0 0 18px; }
.key-point { background: #fff7da; border-left: 4px solid var(--yellow); padding: 10px 14px; border-radius: 8px; margin: 14px 0; }
.warning { background: #fde8e4; border-left: 4px solid var(--coral); padding: 10px 14px; border-radius: 8px; margin: 14px 0; }
.example-before { border: 1px dashed var(--coral); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
.example-after { border: 1px solid var(--blue); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
.example-before p, .example-after p { margin: 0; }

.decision-table table, .article-body table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 0.95rem; }
.decision-table th, .decision-table td, .article-body th, .article-body td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.decision-table th, .article-body th { background: var(--paper-2); font-weight: 700; }

.workflow-steps { counter-reset: step; list-style: none; padding-left: 0; }
.workflow-steps li { counter-increment: step; position: relative; padding: 8px 8px 8px 40px; border-bottom: 1px solid var(--line); }
.workflow-steps li::before { content: counter(step); position: absolute; left: 0; top: 8px; width: 26px; height: 26px; background: var(--blue); color: #fff; border-radius: 50%; display: grid; place-items: center; font-size: 0.8rem; font-weight: 700; }

.checklist { list-style: none; padding-left: 0; }
.checklist li { padding: 6px 0 6px 30px; position: relative; border-bottom: 1px solid var(--line); }
.checklist li::before { content: "☐"; position: absolute; left: 0; top: 6px; color: var(--ink-soft); }

.template-stats { font-size: 0.88rem; color: var(--ink-soft); background: var(--paper-2); padding: 8px 12px; border-radius: 8px; }

.faq dt { font-weight: 700; margin-top: 14px; }
.faq dd { margin: 4px 0 0; color: var(--ink-soft); }

.related { max-width: var(--page-max); margin: 48px auto 0; padding: 0 var(--page-gutter); }
.related-grid { list-style: none; padding: 0; margin: 14px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.related-card a { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-decoration: none; color: var(--ink); height: 100%; }
.related-card a:hover { border-color: var(--blue); }
.related-card__eyebrow { display: block; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
.related-card__title { display: block; font-weight: 700; margin: 4px 0; }
.related-card__desc { display: block; font-size: 0.88rem; color: var(--ink-soft); line-height: 1.5; }

.tool-cta { margin-top: 24px; }
.tool-cta-link, .btn-primary { display: inline-block; background: var(--blue); color: #fff; text-decoration: none; padding: 12px 22px; border-radius: 10px; font-weight: 700; }
.btn-primary:hover { opacity: 0.92; }

.source-list { max-width: var(--reading-max); margin: 40px auto 0; font-size: 0.9rem; color: var(--ink-soft); }
.source-list ul { padding-left: 1.2em; }

.site-footer { border-top: 1px solid var(--line); margin-top: 48px; background: var(--paper); }
.site-footer__inner { max-width: var(--page-max); margin: 0 auto; padding: 24px var(--page-gutter); }
.site-footer__brand { font-weight: 800; margin: 0 0 8px; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
.site-footer__nav a { color: var(--ink-soft); text-decoration: none; }
.site-footer__nav a:hover { color: var(--ink); }
.site-footer__release { font-size: 0.8rem; color: var(--ink-soft); margin: 0; }

.skip-link { position: absolute; left: -999px; top: 0; background: #fff; padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; z-index: 50; }
.skip-link:focus { left: 12px; top: 12px; }

@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; gap: 0; }
  .article-toc { position: static; max-height: none; margin-bottom: 16px; }
  .toc-inner { border-left: none; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
}

/* ---- Checklist interactions ---- */
ul.checklist { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 8px; }
ul.checklist li { margin: 0; }
ul.checklist label {
  display: flex; align-items: flex-start; gap: 10px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; cursor: pointer; line-height: 1.5;
}
ul.checklist input[type=checkbox] { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--blue); flex: none; }
ul.checklist label:hover { border-color: var(--ink-soft); }

.checklist-actions {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin: 16px 0 28px; padding: 12px 14px; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 12px;
}
.checklist-actions button,
.checklist-actions .btn {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 8px 14px;
  border: 1px solid var(--ink); background: #fff; color: var(--ink);
}
.checklist-actions button:hover { background: var(--ink); color: #fff; }
.checklist-actions #checklist-workbench { margin-left: auto; text-decoration: none; font: inherit; cursor: pointer; border-radius: 8px; padding: 8px 14px; border: 1px solid var(--ink); background: #fff; color: var(--ink); }

.sr-status {
  position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden;
}

/* ===== Evidence Observatory ===== */
.ob-stats { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 6px; }
.ob-stat { background: var(--panel, #fff); border: 1px solid var(--line, #e3ddd0); border-radius: 12px; padding: 12px 16px; min-width: 96px; text-align: center; }
.ob-stat__n { display: block; font-size: 1.5rem; font-weight: 800; line-height: 1.1; }
.ob-stat__l { display: block; font-size: 0.78rem; color: var(--ink-soft, #6b6356); }

.ob-list { display: grid; gap: 16px; margin: 18px 0; }
.ob-card { background: var(--panel, #fff); border: 1px solid var(--line, #e3ddd0); border-radius: 14px; padding: 18px; }
.ob-card__h { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.ob-card__t { font-size: 1.05rem; margin: 4px 0; flex: 1 1 100%; }
.ob-card__meta { font-size: 0.82rem; color: var(--ink-soft, #6b6356); margin: 4px 0 10px; }
.ob-card__sec { margin: 8px 0; }
.ob-card__sec h4 { font-size: 0.85rem; margin: 6px 0 2px; color: var(--ink-soft, #6b6356); }
.ob-card__sec ul { margin: 0; padding-left: 1.2em; }
.ob-card__sec li { font-size: 0.9rem; line-height: 1.6; }
.ob-card__dec { font-size: 0.88rem; background: var(--paper-2, #f5f1e6); border-radius: 8px; padding: 8px 12px; margin: 8px 0; }
.ob-card__src { margin: 6px 0 0; }

.ob-tag { display: inline-block; font-size: 0.72rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line, #e3ddd0); background: var(--paper-2, #f5f1e6); color: var(--ink-soft, #6b6356); }
.ob-tag--official-update { background: #e7f0ff; border-color: #b9d2ff; color: #1d4fa0; }
.ob-tag--research { background: #eaf6ec; border-color: #bfe3c6; color: #1f6b35; }
.ob-tag--benchmark { background: #f3ecff; border-color: #d7c7ff; color: #5a2da8; }
.ob-tag--security-incident { background: #fdeaea; border-color: #f3bdbd; color: #a32626; }
.ob-tag--policy { background: #fff3e0; border-color: #f3d6a8; color: #8a5a00; }
.ob-tag--correction { background: #fff0f6; border-color: #f3c7dd; color: #9c2566; }
.ob-tag--integrated { background: #e7f0ff; border-color: #b9d2ff; color: #1d4fa0; }
.ob-tag--watching { background: #fff8e0; border-color: #f0e0a8; color: #7a6500; }
.ob-tag--reviewed { background: #eef0f2; border-color: #d4d9de; color: #4a5560; }
.ob-tag--superseded, .ob-tag--retracted { background: #f0f0f0; border-color: #d0d0d0; color: #666; text-decoration: line-through; }

.ob-changelog { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 10px; }
.ob-log-item { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--panel, #fff); border: 1px solid var(--line, #e3ddd0); border-radius: 10px; padding: 10px 14px; }
.ob-log__date { font-weight: 700; font-variant-numeric: tabular-nums; }
.ob-log__title { flex: 1 1 240px; }
.ob-log__status { font-size: 0.85rem; color: var(--ink-soft, #6b6356); }

/* ===== Scenario Lab ===== */
.sc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; margin: 18px 0; }
.sc-card { background: var(--panel, #fff); border: 1px solid var(--line, #e3ddd0); border-radius: 14px; padding: 14px 16px; }
.sc-card__h { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.sc-card__pick { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; font-weight: 700; }
.sc-card__t { font-size: 1rem; margin: 2px 0; flex: 1 1 100%; }
.sc-card__meta { font-size: 0.8rem; color: var(--ink-soft, #6b6356); margin: 4px 0; }
.sc-card__tags { margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }

.sc-compare-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--paper-2, #f5f1e6); border: 1px solid var(--line, #e3ddd0); border-radius: 12px; padding: 10px 14px; margin: 14px 0; }
.sc-compare-bar .muted { flex: 1 1 100%; }

.sc-detail-card { background: var(--panel, #fff); border: 1px solid var(--line, #e3ddd0); border-radius: 14px; padding: 18px; margin-top: 14px; }
.sc-detail-dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 10px 0; }
.sc-detail-dl dt { font-weight: 700; color: var(--ink-soft, #6b6356); }
.sc-detail-dl dd { margin: 0; }

@media print {
  .site-header, .site-footer, .article-toc, .tool-cta, .related, .matrix-controls, .sc-compare-bar, .checklist-actions { display: none !important; }
  ul.checklist label { border: none; background: none; padding: 2px 0; }
}