:root {
  --vp-ink: #292524;
  --vp-muted: #6b625b;
  --vp-paper: #fffdf9;
  --vp-rule: #ddd5c9;
  --vp-accent: #8b3a24;
  --vp-green: #0f766e;
  --vp-violet: #6d28d9;
}

* { box-sizing: border-box; }

body {
  background: #f6f2ea;
  color: var(--vp-ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

[hidden] { display: none !important; }

.vp-wrap { max-width: 820px; margin: 0 auto; padding: 1.4rem 1rem 5rem; }
.vp-wrap :where(p, li, h1, h2, h3, h4) { overflow-wrap: anywhere; word-break: normal; }

.vp-hero { padding: 1.2rem 0 1.35rem; border-bottom: 2px solid var(--vp-accent); }
.vp-eyebrow, .vp-kicker { margin: 0 0 .35rem; color: var(--vp-accent); font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.vp-hero h1 { margin: 0; font-size: clamp(1.7rem, 5vw, 2.3rem); line-height: 1.22; }
.vp-meta { margin: .55rem 0 0; color: var(--vp-muted); font-size: .9rem; }
.vp-method { margin: .65rem 0 0; color: #514a44; line-height: 1.7; font-size: .93rem; }
.vp-boundary { margin: .8rem 0 0; padding: .75rem .9rem; border-left: 4px solid #b45309; border-radius: 0 8px 8px 0; background: #fffbeb; color: #713f12; font-size: .87rem; line-height: 1.65; }

.vp-toc { margin: 1rem 0 1.6rem; padding: .8rem .9rem; border: 1px solid var(--vp-rule); border-radius: 12px; background: var(--vp-paper); box-shadow: 0 2px 10px rgba(73, 53, 36, .06); }
.vp-toc-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.vp-toc-label { margin: 0; color: var(--vp-accent); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.vp-toc-list { margin: .6rem 0 0; padding-left: 1.35rem; }
.vp-toc-list li { margin: .2rem 0; }
.vp-toc-list a { display: inline-flex; align-items: baseline; gap: .45rem; min-height: 30px; color: #3f3a36; text-decoration: none; line-height: 1.5; }
.vp-toc-list a:hover { color: var(--vp-accent); text-decoration: underline; }
.vp-toc-count { color: var(--vp-muted); font-size: .78rem; white-space: nowrap; }

.vp-btn {
  min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
  padding: .5rem .85rem; border: 1px solid #b8aea2; border-radius: 9px;
  background: #fff; color: #3f3a36; font: inherit; font-weight: 750; cursor: pointer;
  text-decoration: none; white-space: nowrap;
}
.vp-btn:hover { border-color: var(--vp-accent); color: var(--vp-accent); }
.vp-btn:focus-visible { outline: 3px solid rgba(139, 58, 36, .3); outline-offset: 2px; }

.vp-station { margin: 0 0 2.4rem; scroll-margin-top: 5.5rem; }
.vp-station-head { padding: .6rem 0 .5rem; border-bottom: 2px solid var(--vp-rule); }
.vp-station-head h2 { margin: 0; font-size: clamp(1.3rem, 3.6vw, 1.6rem); line-height: 1.3; }
.vp-why { margin: .8rem 0 1rem; padding: .7rem .85rem; border-left: 4px solid var(--vp-green); border-radius: 0 8px 8px 0; background: #ecfdf5; color: #065f46; font-size: .89rem; line-height: 1.7; }

.vp-group-title { margin: 1.4rem 0 .7rem; padding-bottom: .3rem; border-bottom: 1px dashed var(--vp-rule); color: var(--vp-accent); font-size: 1rem; letter-spacing: .04em; }

.vp-card { margin: 0 0 1rem; padding: 1rem 1.05rem; border: 1px solid var(--vp-rule); border-radius: 12px; background: var(--vp-paper); box-shadow: 0 2px 10px rgba(73, 53, 36, .05); scroll-margin-top: 5.5rem; }
.vp-card--template { border-left: 5px solid var(--vp-violet); }
.vp-card--predicted { border-left: 5px solid var(--vp-accent); }
.vp-card--predicted.is-read { background: #f7f9f7; border-left-color: var(--vp-green); }
.vp-card-head { display: flex; align-items: center; justify-content: space-between; gap: .7rem; flex-wrap: wrap; }
.vp-card-title { margin: 0; font-size: 1.02rem; color: #5b21b6; letter-spacing: .03em; }
.vp-card-meta { margin: .35rem 0 0; color: var(--vp-muted); font-size: .78rem; }
.vp-card-body { margin-top: .35rem; }

.vp-badge { display: inline-block; padding: .2rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 800; white-space: nowrap; }
.vp-badge--high { background: #8b3a24; color: #fff; }
.vp-badge--medium { background: #fef3c7; color: #92400e; }

.vp-read { display: inline-flex; align-items: center; gap: .35rem; min-height: 32px; color: var(--vp-muted); font-size: .82rem; cursor: pointer; }
.vp-read input { width: 18px; height: 18px; accent-color: var(--vp-green); }

.vp-question { margin: .6rem 0 .25rem; font-size: clamp(1.08rem, 3.4vw, 1.28rem); line-height: 1.5; }
.vp-why-line { margin: 0 0 .5rem; color: var(--vp-muted); font-size: .85rem; line-height: 1.6; }

.vp-block { margin-top: .85rem; padding-top: .7rem; border-top: 1px solid #eee8df; }
.vp-block-title { margin: 0 0 .4rem; color: #4b423c; font-size: .88rem; letter-spacing: .05em; }
.vp-points, .vp-qlist, .vp-ref-list { margin: .25rem 0 0; padding-left: 1.25rem; }
.vp-points li, .vp-qlist li, .vp-ref-list li { margin: .28rem 0; line-height: 1.75; }
.vp-qlist li { font-weight: 650; }
.vp-points--trap li { color: #881337; }
.vp-points--numbers li { font-variant-numeric: tabular-nums; }

.vp-followup { margin: .55rem 0; padding: .65rem .75rem; border-radius: 8px; background: #f8fafc; }
.vp-followup-q { margin: 0 0 .3rem; font-weight: 750; line-height: 1.65; }
.vp-followup .vp-points { margin-top: .2rem; }

.vp-refs { margin-top: .85rem; padding-top: .65rem; border-top: 1px dashed #e5ded3; }
.vp-refs .vp-block-title { color: var(--vp-muted); font-size: .8rem; }
.vp-ref-list li { margin: .1rem 0; color: var(--vp-muted); font-size: .8rem; line-height: 1.55; }

body.vp-collapsed .vp-card-body { display: none; }

@media (max-width: 640px) {
  .vp-wrap { padding: .8rem .75rem 4rem; }
  .vp-card { padding: .85rem .8rem; }
  .vp-toc { padding: .7rem .75rem; }
  .vp-toc-head { flex-direction: column; align-items: stretch; gap: .5rem; }
  .vp-toc-head .vp-btn { width: 100%; }
  .vp-toc-list { padding-left: 1.2rem; }
  .vp-toc-list a { flex-wrap: wrap; }
  .vp-followup { padding: .55rem .6rem; }
}

@media print {
  .site-header, .no-print, .vp-toc { display: none !important; }
  body { background: #fff; }
  body.vp-collapsed .vp-card-body { display: block; }
  .vp-wrap { max-width: none; padding: 0; }
  .vp-card { break-inside: avoid; page-break-inside: avoid; box-shadow: none; }
  .vp-station { break-inside: auto; }
  .vp-station-head { break-after: avoid; page-break-after: avoid; }
  .vp-followup { break-inside: avoid; page-break-inside: avoid; }
}