/* v8.css — 全鍋爐立體模型、契約範圍、大修時間軸與切管化驗支線
   視覺：淺色工程手冊。字級 ≥17px、主要操作 ≥48px，文字不只靠顏色。 */
:root{
  --v8-paper:#eef3f6; --v8-ink:#183043;
  --v8-ww:#215e88; --v8-sh:#a65b16; --v8-rh:#72508d; --v8-eco:#267160;
  --v8-line:#c4d0d8;
}

/* ---------- 版面：桌機模型區加寬 ---------- */
.v8-boiler{margin:14px 0 26px}
@media (min-width:980px){
  .v8-boiler{position:relative;left:50%;transform:translateX(-50%);width:min(1180px,calc(100vw - 64px))}
  .v8-model-grid{display:grid;grid-template-columns:minmax(0,65fr) minmax(0,35fr);gap:22px;align-items:start}
  .v8-model-side{position:sticky;top:72px;max-height:calc(100vh - 88px);overflow:auto;padding-right:4px}
}

/* ---------- 畫布 ---------- */
.v8-stage{position:relative;background:var(--v8-paper);border:2px solid var(--v8-line);border-radius:12px;overflow:hidden}
.v8-stage canvas{display:block;width:100%;height:min(76vh,540px);min-height:420px;touch-action:pan-y;outline:none;background:var(--v8-paper)}
@media (min-width:980px){.v8-stage canvas{height:640px}}
.v8-stage canvas:focus-visible{box-shadow:inset 0 0 0 4px var(--brand)}
.v8-stage-status{position:absolute;left:12px;right:12px;bottom:10px;margin:0;font-size:17px;font-weight:700;color:var(--v8-ink)}
.v8-stage-status:empty{display:none}
[data-render-state="loading"] .v8-stage-status{background:rgba(255,255,255,.9);padding:8px 12px;border-radius:8px}
[data-render-state="fallback"] .v8-stage{border-style:dashed}
[data-render-state="fallback"] .v8-stage canvas{display:none}
[data-render-state="fallback"] .v8-stage-status{position:static;padding:14px 16px;background:var(--warn-bg);color:var(--ink);border-radius:0}
[data-render-state="fallback"] .v8-controls button,[data-render-state="fallback"] .v8-toggle{opacity:.55}

.v8-facing{margin:10px 0;padding:10px 14px;background:var(--brand-soft);color:var(--brand-ink);border-radius:10px;font-size:17.5px;font-weight:700;line-height:1.6}

/* ---------- 按鈕列 ---------- */
.v8-controls{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.v8-controls button,.v8-scope-filter button,.v8-tabs button{
  min-height:52px;min-width:52px;padding:8px 14px;font:inherit;font-size:17.5px;font-weight:700;
  color:var(--ink);background:var(--surface);border:2px solid var(--line);border-radius:10px;cursor:pointer;line-height:1.3}
.v8-controls button[aria-pressed="true"],.v8-scope-filter button[aria-pressed="true"],.v8-tabs button[aria-pressed="true"]{
  background:var(--brand);border-color:var(--brand);color:#fff}
.v8-controls button:disabled{cursor:not-allowed}
.v8-controls button:focus-visible,.v8-legend-item:focus-visible,.v8-stage-btn:focus-visible,.v8-scope-jump:focus-visible{outline:4px solid var(--warn);outline-offset:2px}
.v8-controls-tools button{flex:1 1 30%}
@media (max-width:420px){.v8-controls:not(.v8-controls-tools) button{flex:1 1 44%}}
.v8-toggle{display:flex;align-items:center;gap:10px;min-height:48px;font-size:17px;color:var(--ink2);margin:4px 0 8px}
.v8-toggle input{width:26px;height:26px;flex:none}

/* ---------- 設備按鈕 ---------- */
.v8-side-title{margin:16px 0 8px}
.v8-legend{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.v8-legend-item{display:flex;align-items:center;gap:10px;min-height:52px;padding:6px 10px;text-align:left;
  font:inherit;font-size:17px;font-weight:700;color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:10px;cursor:pointer;line-height:1.3}
.v8-legend-item.is-selected,.v8-legend-item[aria-pressed="true"]{border-color:var(--v8-ink);box-shadow:inset 0 0 0 2px var(--v8-ink);background:var(--brand-soft)}
.v8-legend-num{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:8px;color:#fff;font-size:16px;font-weight:900}

/* ---------- 說明面板 ---------- */
.v8-detail{margin-top:12px;padding:14px 16px;background:var(--paper);border:2px solid var(--line);border-radius:12px;font-size:17.5px;line-height:1.7}
.v8-detail-head{display:flex;align-items:center;gap:10px}
.v8-detail-title{margin:0;font-size:21px}
.v8-detail-summary{margin:10px 0}
.v8-detail-hint{color:var(--ink2);margin:0 0 8px}
.v8-kv{display:grid;grid-template-columns:6.5em 1fr;gap:8px;margin:6px 0}
.v8-kv-k{font-weight:800;color:var(--brand-ink);margin:12px 0 4px}
.v8-kv .v8-kv-k{margin:0}
.v8-warn{background:var(--warn-bg);border-left:6px solid var(--warn-line);padding:10px 12px;border-radius:0 8px 8px 0;margin:10px 0;font-size:17px;color:var(--ink)}
.v8-quality-warn{background:var(--stop-bg);border-left:6px solid var(--stop-line);padding:10px 12px;border-radius:0 8px 8px 0;margin:10px 0;font-size:17px;color:var(--ink)}
.v8-quality-warn p{margin:0 0 6px}
.v8-note{font-size:17px;color:var(--ink2);margin:8px 0}
.v8-uncertain{font-size:17px;color:var(--ink);background:var(--surface);border:1px dashed var(--line);padding:8px 12px;border-radius:8px}
.v8-src-list{margin:4px 0 10px;padding-left:1.2em;font-size:17px}
.v8-src-list li{margin:4px 0}
.v8-src-note{color:var(--muted);font-size:17px}
.v8-anchor-role{color:var(--brand-ink);font-weight:700}
.v8-detail-link{margin:12px 0 0}

/* ---------- 靜態後備 ---------- */
.v8-fallback{margin-top:16px}
[data-render-state="ready"] .v8-fallback figure{display:none}
.v8-static-list{padding-left:1.4em;font-size:17.5px}
.v8-static-list li{margin:6px 0}
.v8-evidence h4{margin:14px 0 4px;font-size:18px}

/* ---------- 契約範圍 ---------- */
.v8-scope{margin:8px 0 28px}
.v8-tabs,.v8-scope-filter{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.v8-tabs button{flex:1 1 45%}
.v8-scope-totals{width:100%;table-layout:fixed;border-collapse:collapse;font-size:17px;margin:8px 0}
.v8-scope-totals th,.v8-scope-totals td{border:1px solid var(--line);padding:6px;text-align:left;vertical-align:top;overflow-wrap:anywhere}
/* 原始檔名很長且沒有空白，手機上允許任意處換行，避免撐出水平捲動。 */
.v8-src-list,.v8-note,.v8-scope-clause,.v8-scope-raw,.v8-detail,.v8-stage-detail,.v8-warn,.v8-quality-warn,.v8-chain-card,.v8-specimen-card,.v8-photo-card figcaption,.v8-static-scope,.v8-report-rule{overflow-wrap:anywhere}
.v8-scope-totals th{background:var(--surface2)}
.v8-demand{border:2px solid var(--line);border-radius:10px;padding:10px 14px;margin:10px 0}
.v8-scope-count{font-weight:800;margin:10px 0}
.v8-scope-list{display:grid;gap:10px}
.v8-scope-card{border:2px solid var(--line);border-radius:10px;padding:10px 14px;background:var(--paper)}
.v8-scope-top{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.v8-scope-name{font-size:18.5px}
.v8-scope-qty{margin-left:auto;font-weight:900;font-size:18.5px}
.v8-pill{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-ink);font-size:17px;font-weight:800}
.v8-scope-clause,.v8-scope-raw{font-size:17px;color:var(--ink2);margin:6px 0}
.v8-scope-jump{min-height:48px;padding:6px 14px;font:inherit;font-size:17px;font-weight:700;border:2px solid var(--brand);color:var(--brand-ink);background:var(--paper);border-radius:10px;cursor:pointer}
.v8-static-scope{padding-left:1.2em;font-size:17px}
.v8-static-scope li{margin:6px 0}
.v8-outside{margin-top:16px;padding:12px 14px;border:2px dashed var(--line);border-radius:10px}
.v8-outside h4{margin:0 0 6px;font-size:18.5px}
.v8-outside-list{padding-left:1.2em;font-size:17px}
.v8-history{margin:12px 0}
.v8-history h4{margin:10px 0 4px;font-size:19px}
.v8-chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}
.v8-chip{padding:4px 10px;border:1px solid var(--line);border-radius:999px;font-size:17px;background:var(--surface)}

/* ---------- 實照卡 ---------- */
.v8-photo-grid{display:grid;grid-template-columns:1fr;gap:14px;margin:10px 0 24px}
@media (min-width:640px){.v8-photo-grid{grid-template-columns:1fr 1fr}}
.v8-photo-card{margin:0;border:2px solid var(--line);border-radius:12px;overflow:hidden;background:var(--paper)}
.v8-photo-card img{display:block;width:100%;height:auto;max-height:520px;object-fit:contain;background:#1c2329}
.v8-photo-card figcaption{padding:10px 14px;font-size:17px;line-height:1.65}
.v8-photo-card figcaption b{display:block;font-size:18px}
.v8-photo-card figcaption span{display:block;margin-top:4px}
.v8-photo-card [data-photo-source]{color:var(--brand-ink);font-weight:700}
.v8-photo-card [data-photo-unconfirmed]{color:var(--stop)}

/* ---------- 首頁導入 ---------- */
.v8-journey{margin:20px 0;padding:16px;border:2px solid var(--brand);border-radius:12px;background:var(--brand-soft)}
.v8-journey h2{margin:0 0 8px}
.v8-journey ol{padding-left:1.4em;margin:8px 0 12px}
.v8-journey li{margin:4px 0}
.v8-journey .v8-dates{font-weight:800;color:var(--brand-ink)}

/* ---------- 大修時間軸 ---------- */
.v8-timeline-head{margin:8px 0}
.v8-plan-dates{font-size:19px;font-weight:800;color:var(--brand-ink)}
.v8-report-rule{border:2px solid var(--stop-line);border-radius:12px;padding:12px 16px;margin:14px 0}
.v8-report-rule h4{margin:0 0 6px;font-size:19.5px}
.v8-demo{background:var(--surface);border-radius:10px;padding:10px 14px;margin-top:8px}
.v8-timeline{display:grid;gap:14px;margin:14px 0}
@media (min-width:760px){.v8-timeline{grid-template-columns:minmax(0,48fr) minmax(0,52fr);align-items:start}
  .v8-stage-detail{position:sticky;top:72px;max-height:calc(100vh - 88px);overflow:auto}}
.v8-stage-list{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:none}
.v8-stage-btn{display:flex;gap:12px;align-items:flex-start;width:100%;min-height:56px;padding:10px 12px;text-align:left;
  font:inherit;font-size:17.5px;color:var(--ink);background:var(--paper);border:2px solid var(--line);border-left-width:8px;border-radius:10px;cursor:pointer;line-height:1.45}
.v8-stage-btn.is-selected,.v8-stage-btn[aria-pressed="true"]{border-color:var(--brand);background:var(--brand-soft)}
.v8-stage-seq{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:900}
.v8-stage-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.v8-stage-label{font-weight:800}
.v8-stage-meta{display:flex;flex-wrap:wrap;gap:6px}
.v8-kind{display:inline-block;padding:1px 8px;border-radius:6px;border:1px solid var(--line);font-size:17px;color:var(--ink2);background:var(--surface)}
.v8-kind-contract_text{border-color:var(--v8-ww);color:var(--v8-ww)}
.v8-kind-teaching_suggestion{border-color:var(--warn-line);background:var(--warn-bg);color:var(--ink)}
.v8-kind-user_plan{border-color:var(--v8-eco);color:var(--v8-eco)}
.v8-kind-meeting_conclusion{border-color:var(--v8-rh);color:var(--v8-rh)}
.v8-kind-historical_source{border-color:var(--v8-sh);color:var(--v8-sh)}
.v8-date-chip{display:inline-block;padding:1px 8px;border-radius:6px;background:var(--warn-bg);border:1px dashed var(--warn-line);font-size:17px;color:var(--ink)}
.v8-date-chip::after{content:"・教學推排／非核定"}
.v8-stage-detail{padding:14px 16px;border:2px solid var(--line);border-radius:12px;background:var(--paper);font-size:17.5px}
.v8-stage-detail h4{margin:0 0 6px;font-size:20px}
.v8-date-box{margin:8px 0}
.v8-hold{border-left:6px solid var(--stop);background:var(--stop-bg);padding:10px 12px;border-radius:0 8px 8px 0;margin:12px 0}
.v8-hold p{margin:4px 0 0}
.v8-overhaul-static{font-size:17.5px}

/* ---------- 切管化驗 ---------- */
.v8-chain-card,.v8-specimen-card{border:2px solid var(--line);border-radius:12px;padding:12px 16px;margin:12px 0;background:var(--paper)}
.v8-chain-card h4{margin:0 0 6px;font-size:19.5px}
.v8-notfound li::marker{content:"✕ "}
.v8-specimen-chain,.v8-lab,.v8-specimens,.v8-positions,.v8-cleaning{margin:18px 0}
.v8-specimen-chain h4,.v8-lab h4,.v8-specimens h4,.v8-positions h4,.v8-cleaning h4{font-size:19.5px;margin:0 0 8px}
.v8-chain-steps{padding-left:1.4em}
.v8-chain-steps li{margin:10px 0}
.v8-chain-steps li p{margin:4px 0 0}
.v8-specimen-card b{font-size:18.5px;margin-right:8px}

@media (prefers-reduced-motion:reduce){.v8-boiler *{scroll-behavior:auto!important;transition:none!important}}
@media (prefers-color-scheme:dark){
  .v8-stage-status{color:#183043}
  [data-render-state="fallback"] .v8-stage-status{color:var(--ink)}
}