/* ============================================================
   Build dossier, document-style plan output (layers on styles.css)
   ============================================================ */
#dossier-root{position:relative;max-width:1020px;margin:16px auto 60px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 24px 60px #0a2d3b14;overflow:hidden}
.dsec,.cover{padding:34px 40px}
.kicker{display:block;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
#dossier-root h2{font-size:30px;letter-spacing:-.03em;margin:0}
#dossier-root h3{font-size:20px;letter-spacing:-.02em;margin:0}
#dossier-root h4{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:22px 0 10px}
#dossier-root h5{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 6px}
.dsec-head{margin-bottom:18px}
.dsec+.dsec,.cover+.dsec{border-top:1px solid var(--line)}

/* TOC */
.doc-toc{position:sticky;top:0;z-index:5;display:flex;gap:4px;overflow-x:auto;padding:10px 16px;background:#ffffffe6;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.doc-toc a{white-space:nowrap;color:var(--muted);text-decoration:none;font-weight:700;font-size:13px;padding:6px 12px;border-radius:999px}
.doc-toc a:hover{color:var(--ink);background:var(--sage)}

/* Cover */
.cover{display:grid;grid-template-columns:1.3fr .9fr;gap:24px;align-items:center;background:linear-gradient(135deg,#0a2d3b,#0e3a4c);color:#fff}
.cover .kicker{color:#f0a878}
.cover h1{font-size:46px;line-height:1;letter-spacing:-.04em;margin:0 0 12px}
.cover-sub{font-size:18px;color:#cfe0e4;margin:0 0 22px;max-width:520px}
.cover-art img{width:100%;height:auto;filter:drop-shadow(0 20px 30px #00000055)}
.stat-dash{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:#ffffff14;border:1px solid #ffffff2e;border-radius:14px;padding:12px 14px}
.stat-v{font-size:24px;font-weight:850;letter-spacing:-.03em}
.stat-k{font-size:12px;font-weight:700;color:#cfe0e4}
.stat-d{font-size:11px;color:#9fbcc4}

/* Text blocks */
.lede{font-size:19px;line-height:1.6;color:var(--ink);margin:0}
.why{font-size:16px;color:var(--muted);margin:0 0 14px}
.xref,.note{color:var(--muted);font-size:14px}
.note{margin-top:12px}
.disclaimer{color:var(--muted);font-size:12px;line-height:1.6;padding:0 40px 40px}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;align-items:start}

/* Figures */
.fig{margin:0 0 8px}
.fig-svg{width:100%;height:auto;display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px}
.fig-svg.plan{max-width:860px;margin:auto}
figcaption{color:var(--muted);font-size:13px;margin-top:8px;text-align:center}
.photo{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);background:#f2f5f2}

/* Legend */
.legend{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:6px 0 6px}
.lg{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--muted)}
.lg i{width:14px;height:14px;border-radius:4px;border:1px solid #c4d1c7;display:inline-block}

/* Chips */
.chips-row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chip{background:var(--sage);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700;color:var(--muted)}
.chip.strong{background:#fdece0;border-color:#f4d3ba;color:#b25a1e}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:6px 0 0}
.chips li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:13px;font-weight:600}
.bullets{margin:0;padding-left:18px;color:var(--ink)}
.bullets li{margin-bottom:6px}

/* Tables */
.kv{width:100%;border-collapse:collapse;table-layout:fixed}
.kv th,.kv td{overflow-wrap:break-word}
.kv th{text-align:left;font-weight:700;color:var(--muted);font-size:14px;padding:8px 10px;border-bottom:1px solid var(--line);width:42%}
.kv td{padding:8px 10px;border-bottom:1px solid var(--line);font-weight:600}
.data,.ledger{width:100%;border-collapse:collapse;min-width:360px}
.data th,.data td,.ledger th,.ledger td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.data th,.ledger th{background:var(--sage);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.num{text-align:right;font-variant-numeric:tabular-nums}
.data .tot td,.ledger .grand td{font-weight:850;border-top:2px solid var(--ink);background:#fbfdfb}

/* Budget headline */
.budget-headline{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.budget-headline .big{font-size:44px;font-weight:850;letter-spacing:-.04em;color:var(--accent)}
.budget-headline .sub{color:var(--muted);font-weight:700}

/* Build steps */
.steps{display:grid;gap:14px}
.step-card{border:1px solid var(--line);border-radius:18px;padding:18px 20px;background:#fff}
.step-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.step-n{width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none}
.step-top h3{flex:1}
.step-meta{color:var(--muted);font-size:13px;font-weight:700;white-space:nowrap}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.check{list-style:none;padding:0;margin:0}
.check li{position:relative;padding-left:24px;margin-bottom:6px;font-size:14px}
.check li:before{content:"";position:absolute;left:0;top:2px;width:15px;height:15px;border:1.5px solid var(--line);border-radius:4px}

/* Expandable step detail */
.build-tools{margin-bottom:14px}
.btn-secondary.sm{padding:8px 14px;font-size:13px}
.step-detail{margin-top:16px;border-top:1px dashed var(--line);padding-top:4px}
.step-detail summary{cursor:pointer;list-style:none;font-weight:800;font-size:14px;color:var(--accent);padding:10px 0;display:flex;align-items:center;gap:8px;user-select:none}
.step-detail summary::-webkit-details-marker{display:none}
.step-detail summary:before{content:"＋";font-weight:800;font-size:15px;line-height:1}
.step-detail[open] summary:before{content:"－"}
.detail-body{padding:2px 2px 10px;max-width:760px}
.detail-body p{color:var(--ink);margin:0 0 12px;line-height:1.65}
.detail-body h6{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:18px 0 8px}
.detail-steps{margin:0;padding-left:22px}
.detail-steps li{margin-bottom:9px;line-height:1.6}
.detail-tips{margin:0;padding-left:20px}
.detail-tips li{margin-bottom:7px;color:var(--muted);line-height:1.55}
.detail-body .safety{background:#fff6ef;border:1px solid #f4d3ba;border-radius:12px;padding:12px 14px;color:#8a4a1e;font-size:14px;line-height:1.55;margin-top:16px}
.detail-body .safety strong{color:#6f3a15}

/* Electrical deep-dive */
.elec-sub{border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin-bottom:12px;background:#fff}
.elec-sub-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:4px}
#dossier-root .elec-sub-head h4{margin:0;font-size:15px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink);font-weight:850}
.elec-spec{background:#fdece0;border:1px solid #f4d3ba;color:#b25a1e;border-radius:999px;padding:4px 11px;font-size:12px;font-weight:800;white-space:nowrap}
.sub-summary{color:var(--muted);font-size:14px;margin:0}
.sys-detail{margin-top:10px;border-top:1px dashed var(--line);padding-top:2px}
.sys-detail summary{cursor:pointer;list-style:none;font-weight:800;font-size:13px;color:var(--accent);padding:9px 0;display:flex;align-items:center;gap:8px;user-select:none}
.sys-detail summary::-webkit-details-marker{display:none}
.sys-detail summary:before{content:"＋";font-weight:800}
.sys-detail[open] summary:before{content:"－"}
.calc{background:var(--sage);border:1px solid var(--line);border-radius:10px;padding:10px 13px;font-size:13px;margin:12px 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink);overflow-x:auto}
.callout{border:1px solid;border-radius:14px;padding:16px 18px;margin:18px 0}
.callout.serious{background:#fdeceb;border-color:#e6b3ad}
.callout.serious .callout-t{color:#8f2f27}
.callout.info{background:var(--sage);border-color:var(--line)}
.callout.info .callout-t{color:var(--ink)}
.callout-t{font-weight:850;font-size:14px;margin-bottom:8px}
.callout .bullets{margin:0}
.refs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ref{border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:#fff}
.rf-t{font-weight:800;font-size:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rf-tag{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#b25a1e;background:#fdece0;border:1px solid #f4d3ba;border-radius:999px;padding:2px 7px}
.rf-d{color:var(--muted);font-size:13px;margin-top:4px}

/* Risks / alternatives */
.risk{display:flex;align-items:flex-start;gap:12px;border-radius:14px;padding:14px 16px;margin-bottom:10px;border:1px solid}
.risk.warn{background:#fff6ef;border-color:#f4d3ba}
.risk.ok{background:#eef7f1;border-color:#bfe3cd}
.risk.serious{background:#fdeceb;border-color:#e6b3ad}
.ric{font-size:18px;line-height:1.4}
.risk-main{flex:1;min-width:0}
.rt{font-weight:800;font-size:15px}
.rd{color:var(--muted);font-size:14px;margin-top:2px}
.risk-detail{margin-top:10px;border-top:1px dashed rgba(10,45,59,.18);padding-top:2px}
.risk-detail summary{cursor:pointer;list-style:none;font-weight:800;font-size:13px;color:var(--accent);padding:8px 0;display:flex;align-items:center;gap:8px;user-select:none}
.risk-detail summary::-webkit-details-marker{display:none}
.risk-detail summary:before{content:"＋";font-weight:800;font-size:14px}
.risk-detail[open] summary:before{content:"－"}
.detail-mit{margin:0;padding-left:20px}
.detail-mit li{margin-bottom:7px;line-height:1.55}
.alt-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:12px}
.alt{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.at{font-weight:800;margin-bottom:4px}
.ad{color:var(--muted);font-size:14px}

/* Actions */
.doc-actions{display:flex;flex-wrap:wrap;gap:10px;padding:24px 40px 6px}
.btn-primary{display:inline-block;background:var(--ink);color:#fff;border:none;border-radius:14px;padding:14px 22px;font-weight:800;cursor:pointer;font:inherit;text-decoration:none}
.btn-primary:hover{background:#093442}
.btn-secondary{display:inline-block;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:14px;padding:14px 20px;font-weight:700;cursor:pointer;font:inherit;text-decoration:none}
.btn-secondary:hover{border-color:var(--accent)}

.sample-banner{max-width:1020px;margin:14px auto 0;padding:12px 18px;background:#fdece0;border:1px solid #f4d3ba;border-radius:14px;color:#8a4a1e;font-size:14px;font-weight:600}
.sample-banner b{color:#6f3a15}

@media(max-width:860px){
  .cover{grid-template-columns:1fr}.cover h1{font-size:34px}
  .stat-dash{grid-template-columns:repeat(2,1fr)}
  .split,.alt-grid,.refs{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr 1fr}
  .dsec,.cover{padding:24px 20px}.disclaimer,.doc-actions{padding-left:20px;padding-right:20px}
  #dossier-root h2{font-size:24px}.budget-headline .big{font-size:34px}
}
@media print{
  .doc-toc,.doc-actions,.sample-banner,.hero,.site-footer{display:none}
  #dossier-root{box-shadow:none;border:none;margin:0;border-radius:0;max-width:none}
  .dsec{break-inside:avoid;page-break-inside:avoid}
  .step-card,.fig,.risk{break-inside:avoid}
  .cover{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .build-tools{display:none}
  /* Reveal all expandable detail when printing */
  .step-detail > :not(summary),.risk-detail > :not(summary),.sys-detail > :not(summary){display:block !important}
  .step-detail summary:before,.risk-detail summary:before,.sys-detail summary:before{content:""}
}