/* Flow Calculator — dark galactic-glass skin, scoped under .fc so it never
   touches the pocket-guide chrome. Layout and spacing follow the original;
   only surfaces, colour and type are re-keyed to the site tokens. */

.fc{width:100%;font-family:var(--body);color:var(--ink);font-size:15px;line-height:1.5}
.fc *{box-sizing:border-box}
.fc button,.fc input,.fc select{font:inherit}
.fc button,.fc a,.fc input,.fc select,.fc summary{touch-action:manipulation}
.fc button{cursor:pointer}
.fc button:disabled{cursor:not-allowed;opacity:.4}
.fc [hidden]{display:none!important}
.fc input[type=file]{display:none}
.fc a{color:var(--accent);text-decoration:none}
.fc a:hover{text-decoration:underline}

/* ---- toolbar ---- */
.fc .toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.fc .button-group{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.fc .toolbar-label{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-right:5px;font-family:var(--mono)}
.fc button,.fc .file-btn{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:8px 12px;color:var(--ink);font-weight:600;font-size:12px;min-height:36px;text-decoration:none;backdrop-filter:var(--blur)}
.fc button:hover,.fc .file-btn:hover{border-color:var(--accent);background:var(--glass-2);color:var(--ink)}
.fc button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}
.fc button.primary:hover{background:var(--accent-2);border-color:var(--accent-2);color:#fff}
.fc .toolbar a{min-height:36px}

/* ---- notes ---- */
.fc .note-bar{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);padding:10px 14px;color:var(--ink-2);font-size:12px;margin-bottom:18px}
.fc .note-bar strong{color:var(--ink)}
.fc .standards-note,.fc .neutral-note,.fc .mode-note{font-size:12px;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);padding:11px 13px;color:var(--ink-2);line-height:1.6}
.fc .standards-note{margin-bottom:16px}
.fc .computed-hint{padding:9px 11px;border:1px solid var(--accent-soft);border-radius:var(--radius);background:var(--accent-soft);color:var(--ink);font-size:12px}

/* ---- layout ---- */
.fc .layout{display:grid;grid-template-columns:minmax(340px,440px) minmax(0,1fr);gap:22px;align-items:start}
.fc .stack{display:grid;gap:16px;min-width:0}
.fc .results-stack{gap:16px}

/* ---- cards ---- */
.fc .card{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-lg);overflow:hidden;backdrop-filter:var(--blur)}
.fc .card-head{padding:15px 20px 12px;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;gap:10px}
.fc .card-head.split{justify-content:space-between}
.fc .card-head.split>div{display:flex;align-items:center;gap:10px}
.fc .section-title{display:flex;align-items:center;gap:10px}
.fc .step{width:24px;height:24px;display:grid;place-items:center;font-size:11px;font-weight:800;background:var(--accent-soft);border-radius:var(--radius-sm);color:var(--accent);flex:0 0 auto}
.fc h2{font-family:var(--display);font-size:16px;letter-spacing:-.01em;margin:0;color:var(--ink);font-weight:600}
.fc h3{font-family:var(--display);font-size:14px;margin:0 0 10px;color:var(--ink);font-weight:600}
.fc .card-body{padding:18px 20px}

/* ---- fields ---- */
.fc .grid2{display:grid;grid-template-columns:1fr 1fr;gap:15px 16px}
.fc .full{grid-column:1/-1}
.fc .field{min-width:0}
.fc label{display:block;font-size:12px;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
.fc .measure{display:flex;gap:6px;align-items:stretch;min-width:0}
.fc .measure input{flex:1 1 50%;min-width:0}
.fc .measure select{flex:0 1 48%;min-width:0}
.fc .measure .fixed-unit{flex:0 0 auto;padding:10px 0 8px 3px;font-size:12px;white-space:nowrap;color:var(--muted)}
.fc input,.fc select{width:100%;min-width:0;background:rgba(255,255,255,.04);border:1px solid var(--glass-border);color:var(--ink);border-radius:var(--radius-sm);padding:9px 10px;min-height:40px}
.fc select option{background:#0b1020;color:var(--ink)}
.fc input::placeholder{color:var(--muted)}
.fc input[type=number]{font-variant-numeric:tabular-nums}
.fc input[readonly]{background:var(--accent-soft);border-color:rgba(47,212,194,.35);color:#9af0e5;font-weight:600}
.fc input:focus,.fc select:focus,.fc button:focus-visible,.fc summary:focus-visible{outline:3px solid var(--accent-soft);outline-offset:1px;border-color:var(--accent)}
.fc .hint{font-size:11px;color:var(--muted);line-height:1.5;margin:6px 0 0}
.fc .hint strong{color:var(--ink-2)}
.fc .micro{font-size:11px;color:var(--muted)}
.fc .row-note{font-size:12px;background:var(--glass);border:1px solid var(--glass-border);padding:10px 12px;border-radius:var(--radius-sm);line-height:1.55;color:var(--ink-2)}
.fc .field-subrow{display:flex;gap:6px}
.fc .field-subrow select{font-size:12px}
.fc .warning-inline{background:rgba(242,178,76,.12);color:var(--amber);padding:10px 12px;font-size:12px;border-radius:var(--radius-sm);border:1px solid rgba(242,178,76,.3)}

/* ---- details / references ---- */
.fc details{border:1px solid var(--glass-border);border-radius:var(--radius);background:var(--glass)}
.fc details>summary{cursor:pointer;padding:13px 17px;font-size:13px;font-weight:600;list-style-position:inside;color:var(--ink)}
.fc details[open]>summary{border-bottom:1px solid var(--glass-border)}
.fc details .detail-body{padding:16px 18px}
.fc .inner-detail{border-radius:var(--radius-sm)}
.fc .inner-detail>summary{font-size:12px;padding:10px 12px}
.fc .inner-detail .detail-body{padding:12px}
.fc .minor-sep{border:0;border-top:1px solid var(--glass-border);margin:16px 0}
.fc .reference-strip{padding:12px 14px;border-left:3px solid var(--accent);background:var(--accent-soft);font-size:12px;border-radius:var(--radius-sm);color:var(--ink-2)}
.fc .reference-strip .ref-title{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:800;margin-bottom:3px}

/* ---- result hero ---- */
.fc .result-top{display:grid;grid-template-columns:1.25fr 1fr;gap:12px;align-items:stretch}
.fc .result-hero{background:linear-gradient(160deg,rgba(47,212,194,.12),var(--panel));border:1px solid var(--glass-border-2);backdrop-filter:var(--blur);color:var(--ink);padding:22px 24px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.fc .status-pill{display:inline-block;border:1px solid rgba(47,212,194,.4);background:var(--accent-soft);padding:4px 9px;font-size:10px;letter-spacing:.05em;border-radius:var(--radius-sm);color:var(--accent);text-transform:uppercase;font-family:var(--mono)}
.fc .result-label{font-size:12px;color:var(--ink-2);margin-top:12px}
.fc .result-number{font-family:var(--display);font-variant-numeric:tabular-nums;font-size:clamp(32px,3.7vw,44px);font-weight:600;letter-spacing:-.02em;line-height:1.2;overflow-wrap:anywhere;margin:5px 0;color:var(--ink)}
.fc .result-unit{font-size:15px;color:var(--accent);font-weight:600}
.fc .result-caption{color:var(--ink-2);font-size:12px;margin-top:9px;overflow-wrap:anywhere}
.fc .result-basis{border-top:1px solid var(--glass-border);padding-top:11px;margin-top:15px;color:var(--ink-2);font-size:12px}

/* ---- KPIs ---- */
.fc .kpis{display:grid;grid-template-columns:1fr;gap:8px;margin:0}
.fc .kpi{padding:11px 14px;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);display:grid;grid-template-columns:1fr auto;align-items:center}
.fc .kpi .k-label{color:var(--muted);font-size:10px;letter-spacing:.05em;font-weight:700;text-transform:uppercase}
.fc .kpi .k-value{font-family:var(--display);font-size:22px;line-height:1.25;font-weight:600;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;color:var(--ink);grid-column:2;grid-row:1/3;margin:0}
.fc .kpi .k-unit{font-size:11px;color:var(--muted);margin:2px 0}

/* ---- error ---- */
.fc .error{border:1px solid rgba(255,107,107,.4);border-left:4px solid var(--bad);padding:15px 17px;background:rgba(255,107,107,.08);border-radius:var(--radius);font-size:13px;color:#ffb0b0;margin-bottom:14px}
.fc .error strong{display:block;margin-bottom:4px;color:var(--bad)}

/* ---- numbers / work ---- */
.fc .numbers{display:grid;grid-template-columns:1fr 1fr;gap:9px 18px}
.fc .datum{border-bottom:1px solid var(--glass-border);padding:7px 0}
.fc .datum small{display:block;color:var(--muted);font-size:11px}
.fc .datum span{font-weight:600;font-variant-numeric:tabular-nums;font-size:13px;color:var(--ink)}
.fc .work-step{margin-bottom:15px}
.fc .work-step:last-child{margin-bottom:0}
.fc .work-step strong{font-size:12px;display:block;margin-bottom:5px;color:var(--ink)}
.fc .work-step p{font-size:11px;color:var(--muted);margin:5px 0 0}
.fc .formula{white-space:pre-wrap;font-family:var(--mono);font-size:11px;line-height:1.75;overflow-wrap:anywhere;background:rgba(0,0,0,.35);border:1px solid var(--glass-border);padding:9px 11px;border-radius:var(--radius-sm);color:#a9e9e0}
.fc .warnings p{padding:9px 11px;background:rgba(242,178,76,.1);border-left:2px solid var(--amber);font-size:11px;line-height:1.55;border-radius:var(--radius-sm);margin:0 0 7px;color:#f3c983}
.fc .warnings p:last-child{margin-bottom:0}
.fc .report-note{font-size:11px;color:var(--muted);padding:0 2px}
.fc .monospace,.fc .model-small{font-family:var(--mono)}
.fc .model-small{font-size:10px;font-weight:500;letter-spacing:0;color:var(--ink-2)}

/* ---- tables ---- */
.fc .table-wrap{overflow-x:auto}
.fc .scroll-table{max-height:300px;overflow:auto}
.fc table{border-collapse:collapse;width:100%;font-size:12px}
.fc th{text-align:left;padding:8px 10px;color:var(--muted);background:rgba(255,255,255,.04);font-size:10px;letter-spacing:.05em;text-transform:uppercase;position:sticky;top:0}
.fc td{padding:9px 10px;border-bottom:1px solid var(--glass-border);color:var(--ink-2)}
.fc td.value{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--ink)}
.fc .group-row td{background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:10px;letter-spacing:.04em;text-transform:uppercase}
.fc .table-caption{font-size:11px;color:var(--muted);margin:0 0 10px}

/* ---- sources ---- */
.fc .sources{margin-top:20px}
.fc .source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px 22px}
.fc .source{font-size:11px;line-height:1.6;color:var(--ink-2)}
.fc .source strong{display:block;font-size:12px;color:var(--ink)}
.fc .source p{margin:3px 0 6px}

/* ---- self-checks ---- */
.fc .checks{margin-top:16px}
.fc .check-pass{color:#56d6a6}
.fc .check-fail{color:var(--bad)}
.fc #testSummary{font-size:13px;margin-bottom:10px;color:var(--ink)}
.fc #testList{max-height:340px;overflow:auto;font-size:11px}
.fc #testList div{padding:5px 7px;border-bottom:1px solid var(--glass-border)}
.fc .checkline{display:flex;align-items:center;gap:7px;margin-top:10px;font-size:11px;font-weight:500;color:var(--ink-2)}
.fc .checkline input{width:15px;min-height:15px;accent-color:var(--accent)}

/* ---- chart ---- */
.fc .chart-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
.fc .chart-controls .field{flex:1;min-width:100px}
.fc .chart-controls .wide{flex:2;min-width:190px}
.fc .chart-controls input,.fc .chart-controls select{min-height:36px;font-size:12px;padding:7px}
.fc .graph{width:100%;height:auto;display:block;background:rgba(255,255,255,.02);border:1px solid var(--glass-border);border-radius:var(--radius);touch-action:pan-y}
.fc .graph text{font-family:var(--mono);fill:var(--muted);font-size:12px}
.fc .graph .grid{stroke:rgba(255,255,255,.08);stroke-width:1}
.fc .graph .axis{stroke:rgba(255,255,255,.25);stroke-width:1}
.fc .graph .line{fill:none;stroke:var(--accent);stroke-width:2.7;stroke-linejoin:round;stroke-linecap:round}
.fc .graph .alt{stroke:#9b8cff;stroke-dasharray:6 5;stroke-width:2}
.fc .graph .pin0{stroke:var(--amber)}
.fc .graph .pin1{stroke:#c690ff}
.fc .graph-empty{display:flex;align-items:center;justify-content:center;min-height:240px;padding:30px;color:var(--muted);text-align:center}
.fc .chart-readout{background:rgba(255,255,255,.03);border:1px solid var(--glass-border);border-radius:var(--radius-sm);min-height:37px;padding:9px 12px;font-size:12px;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.fc .legend{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:11px;margin:12px 0 5px;color:var(--ink-2)}
.fc .legend span:before{content:'';display:inline-block;width:20px;height:3px;margin-right:6px;background:var(--accent);vertical-align:middle}
.fc .legend .alt:before{background:#9b8cff}
.fc .legend .pin0:before{background:var(--amber)}
.fc .legend .pin1:before{background:#c690ff}
.fc .chart-foot{font-size:11px;color:var(--muted);line-height:1.6;margin-top:10px}
.fc .dp-limit-note{color:var(--amber);font-weight:500}
.fc .dp-limit-note:empty{display:none;margin:0}
.fc .sweep-note{border-left:3px solid var(--amber);padding-left:10px}
.fc .plot-range{font-size:11px;color:var(--ink-2)}
.fc .danger-limit{color:var(--bad);font-weight:700}
.fc .metric-label{font-size:11px;color:var(--accent)}

/* ---- misc chrome ---- */
.fc .badge-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0}
.fc .badge{background:var(--accent-soft);border:1px solid rgba(47,212,194,.3);border-radius:20px;padding:5px 9px;color:var(--accent);font-size:10px}
.fc .mini-links{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.fc .tools-row{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.fc .pin-button{padding:5px 9px;min-height:30px;font-size:11px}

/* ---- calc footer + toast ---- */
.fc footer{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:20px;border-top:1px solid var(--glass-border);padding-top:16px}
.fc .toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--panel);border:1px solid var(--glass-border-2);backdrop-filter:var(--blur);color:var(--ink);border-radius:var(--radius);padding:10px 16px;font-size:12px;box-shadow:var(--shadow);max-width:90vw;z-index:30}

/* ---- responsive (mirrors the source breakpoints) ---- */
@media(max-width:1100px){
  .fc .layout{grid-template-columns:minmax(330px,390px) minmax(0,1fr)}
  .fc .result-top{grid-template-columns:1fr}
  .fc .kpis{grid-template-columns:repeat(3,minmax(0,1fr))}
  .fc .kpi{display:block;padding:10px}
  .fc .kpi .k-value{font-size:18px;margin:4px 0}
  .fc .result-number{font-size:37px}
  .fc .source-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:800px){
  .fc .layout{grid-template-columns:1fr}
  .fc .results-stack{order:0}
  .fc .source-grid{grid-template-columns:1fr}
  .fc .graph text{font-size:13px}
  .fc .kpi .k-value{font-size:21px}
  .fc .chart-controls{gap:8px}
  .fc .chart-controls .field{min-width:85px}
  .fc .chart-controls .wide{flex-basis:100%}
  .fc .result-number{font-size:40px}
  .fc .toolbar{gap:10px}
  .fc .toolbar-label{display:none}
  .fc .button-group button{padding:7px 9px;font-size:11px}
}
@media(max-width:400px){
  .fc .card-body{padding:14px}
  .fc .grid2{gap:12px 10px}
  .fc input,.fc select{font-size:13px;padding:9px 7px}
  .fc .measure{gap:4px}
  .fc label{font-size:11px}
  .fc .measure .fixed-unit{font-size:10px}
  .fc .kpi .k-value{font-size:18px}
  .fc .kpi{padding:10px 8px}
  .fc .numbers{gap:5px 13px}
}

/* ---- form hierarchy: required / compensation / optional ---- */
.fc .form-guide{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin:0 0 18px;font-size:11.5px;color:var(--ink-2);background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);padding:11px 14px}
.fc .form-guide b{color:var(--ink);font-weight:600;margin-right:2px}
.fc .form-guide .fg-item{display:inline-flex;align-items:center;gap:6px}
.fc .req-tag{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:9px;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:20px;border:1px solid currentColor;white-space:nowrap;font-weight:500;flex:0 0 auto}
.fc .req-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.fc .req-tag--req{color:var(--accent);background:var(--accent-soft)}
.fc .req-tag--comp{color:var(--amber);background:rgba(242,178,76,.1)}
.fc .req-tag--opt{color:var(--muted);background:transparent}
.fc .card-head:has(.card-head__text){align-items:flex-start}
.fc .card-head__text{display:flex;flex-direction:column;gap:3px;min-width:0}
.fc .card-head__row{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.fc .card-sub{font-size:11.5px;color:var(--muted);line-height:1.45;margin:0}
.fc label .req-tag{margin-left:7px;vertical-align:middle}

/* ---- provenance banner: demo placeholders vs the user's own data ---- */
.fc .prov-banner{display:flex;align-items:flex-start;gap:10px;border-radius:var(--radius);padding:11px 14px;font-size:12.5px;line-height:1.5;border:1px solid}
.fc .prov-banner .prov-ico{flex:0 0 auto;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:12px;font-family:var(--mono);margin-top:1px}
.fc .prov-banner strong{font-weight:600}
.fc .prov-banner--warn{background:rgba(242,178,76,.1);border-color:rgba(242,178,76,.35);color:#f3c983}
.fc .prov-banner--warn .prov-ico{background:var(--amber);color:#2a1c04}
.fc .prov-banner--warn strong{color:var(--amber)}
.fc .prov-banner--ok{background:var(--accent-soft);border-color:rgba(47,212,194,.3);color:var(--ink-2)}
.fc .prov-banner--ok .prov-ico{background:var(--accent);color:var(--accent-ink)}
.fc .prov-banner--ok strong{color:var(--accent)}

/* ---- guided chat wizard ---- */
.fc .wiz .step{background:var(--cosmic);color:#fff}
.fc .wiz-log{max-height:min(620px,72vh);overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:2px 2px 12px}
.fc .wiz-msg{max-width:86%;padding:9px 13px;border-radius:14px;font-size:13px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.fc .wiz-msg--you{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:4px;font-weight:500}
.fc .wiz-msg--pulse{align-self:flex-start;background:var(--glass-2);border:1px solid var(--glass-border);color:var(--ink);border-bottom-left-radius:4px}
.fc .wiz-thinking{display:flex;gap:4px;align-items:center;padding:12px 13px}
.fc .wiz-thinking span{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:wizpulse 1s infinite}
.fc .wiz-thinking span:nth-child(2){animation-delay:.15s}
.fc .wiz-thinking span:nth-child(3){animation-delay:.3s}
@keyframes wizpulse{0%,60%,100%{opacity:.3}30%{opacity:1}}
.fc .wiz-bar{display:flex;gap:8px;align-items:flex-end}
.fc .wiz-input{flex:1;min-width:0;resize:none;min-height:40px;max-height:120px;background:rgba(255,255,255,.04);border:1px solid var(--glass-border);color:var(--ink);border-radius:var(--radius);padding:9px 12px;font:inherit;font-size:13px;line-height:1.5}
.fc .wiz-input:focus{outline:3px solid var(--accent-soft);border-color:var(--accent)}
.fc .wiz-send{flex:0 0 auto;min-height:40px}
.fc .wiz-note{font-size:11px;color:var(--muted);margin:8px 0 0}
.fc--chat .toolbar,.fc--chat .note-bar,.fc--chat .form-guide,.fc--chat .layout,.fc--chat #sourceDetails,.fc--chat #checksDetails,.fc--chat>footer{display:none}
.fc:not(.fc--chat) .wiz{display:none}
.fc .fc-modes{display:inline-flex;gap:3px;padding:3px;background:var(--glass);border:1px solid var(--glass-border);border-radius:999px;margin:0 0 16px}
.fc .fc-mode{display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;color:var(--ink-2);font-family:var(--body);font-size:12px;font-weight:600;padding:7px 15px;border-radius:999px;cursor:pointer;min-height:34px}
.fc .fc-mode:hover{color:var(--ink)}
.fc .fc-mode.is-active{background:var(--accent);color:var(--accent-ink)}
.fc .fc-mode__ic{font-family:var(--mono);font-size:13px}
.fc .wiz-top{display:flex;justify-content:flex-end;margin:-2px 0 8px}
.fc .wiz-result{max-width:100%;width:100%;align-self:stretch;background:var(--glass);border:1px solid var(--glass-border);border-radius:14px;padding:13px 15px}
.fc .wiz-result__head{display:flex;flex-direction:column;gap:1px;margin-bottom:8px}
.fc .wiz-result__lbl{font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.fc .wiz-result__num{font-family:var(--display);font-size:22px;font-weight:600;color:var(--accent)}
.fc .wiz-graph{margin:2px 0 6px}
.fc .wiz-graph svg{width:100%;height:auto;background:rgba(255,255,255,.02);border:1px solid var(--glass-border);border-radius:var(--radius)}
.fc .wiz-tcap{font-family:var(--display);font-size:12px;font-weight:600;color:var(--ink);margin:10px 0 3px}
.fc .wiz-table{width:100%;border-collapse:collapse;font-size:12px}
.fc .wiz-table th{text-align:left;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.03em;padding:4px 8px;border-bottom:1px solid var(--glass-border)}
.fc .wiz-table td{padding:5px 8px;border-bottom:1px solid var(--glass-border);color:var(--ink-2)}
.fc .wiz-table td.num{text-align:right;font-family:var(--mono);color:var(--ink);white-space:nowrap}

/* ---- print document (built on beforeprint; hidden on screen) ----
   Both reports render from a dedicated #printSheet, not from the live form.
   Spec sheet = head + specs + graph + curve data. Full report adds the
   .ps-full sections (conversions, diagnostics, equations, sources). */
.fc .print-sheet{display:none}

@media print{
  /* Page box follows the paper the user selects. @page gives per-page margins
     when the print dialog is on "Default"; the .print-sheet padding below is a
     safety margin that survives even a "Margins: None" dialog setting. */
  @page{size:auto;margin:11mm}
  :root{--ink:#111;--ink-2:#333;--muted:#666;--accent:#0a6b63;--accent-2:#0a6b63;--amber:#8a5a12}
  /* Strip the whole dark app shell to a plain white document so nothing dark
     prints and the content box is exactly the page content width (paper minus
     margins) — deterministic regardless of screen zoom or print scale. */
  html,body{background:#fff!important;margin:0!important;padding:0!important;width:auto!important;min-width:0!important;max-width:none!important;overflow:visible!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body::before,body::after{display:none!important;content:none!important;background:none!important}
  #fv-stars,.fv-skip,.fv-header,.fv-footer,.pg-head{display:none!important}
  main,#fv-main,.pg-main,.pg-wrap,.pg-wrap--wide,.fc{display:block!important;width:auto!important;max-width:none!important;min-width:0!important;margin:0!important;padding:0!important;background:#fff!important;border:0!important;box-shadow:none!important}
  .fc>*:not(.print-sheet){display:none!important}
  .fc .print-sheet{display:block!important;width:auto!important;background:#fff!important;color:#111;font-family:var(--body);font-size:11px;line-height:1.5;padding:7mm 8mm;box-sizing:border-box}

  .fc .ps-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;border-bottom:2px solid #111;padding-bottom:10px;margin-bottom:14px;break-inside:avoid}
  .fc .ps-title{font-family:var(--display);font-size:19px;font-weight:700}
  .fc .ps-sub{font-size:12px;color:#444;margin-top:2px;text-transform:capitalize}
  .fc .ps-result{text-align:right}
  .fc .ps-result__l{font-size:9px;text-transform:uppercase;letter-spacing:.06em;color:#666}
  .fc .ps-result__v{font-family:var(--display);font-size:17px;font-weight:700;color:#0a6b63}

  .fc .ps-section{margin:0 0 14px}
  .fc .ps-h{font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.02em;margin:0 0 7px;padding-bottom:3px;border-bottom:1px solid #ccc;color:#111;break-after:avoid}

  .fc .ps-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px 26px}
  .fc .ps-field{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #e3e3e3;padding:3px 0;font-size:11px;break-inside:avoid}
  .fc .ps-field--wide{grid-column:1/-1;flex-direction:column;align-items:stretch;gap:1px;border-bottom:0}
  .fc .ps-field__k{color:#555}
  .fc .ps-field__v{font-family:var(--mono);text-align:right;color:#111}
  .fc .ps-field--wide .ps-field__v{text-align:left}

  .fc .ps-graph{break-inside:avoid}
  .fc .ps-graph svg{width:100%;height:auto;max-height:330px;background:#fff!important;border:1px solid #ccc;border-radius:4px}
  .fc .ps-graph text{fill:#333!important}
  .fc .ps-graph .grid{stroke:#e4e4e4!important}
  .fc .ps-graph .axis{stroke:#999!important}
  .fc .ps-graph .line{fill:none;stroke:#0a6b63!important}
  .fc .ps-graph .alt{stroke:#7a6fd0!important}
  .fc .ps-note{font-size:10px;color:#7a4e00;margin:6px 0 0}
  .fc .ps-cap{font-size:10px;color:#666;margin:0 0 6px}

  .fc .ps-table{border-collapse:collapse;width:100%;font-size:10px}
  .fc .ps-table thead{display:table-header-group}
  .fc .ps-table th{text-align:left;background:#f0f0f0;color:#333;padding:5px 7px;border-bottom:1px solid #bbb;font-size:9px;text-transform:uppercase;letter-spacing:.03em}
  .fc .ps-table td{padding:4px 7px;border-bottom:1px solid #e6e6e6;color:#222}
  .fc .ps-table tr{break-inside:avoid}
  .fc .ps-table td.num,.fc .ps-table td.value{text-align:right;font-family:var(--mono);white-space:nowrap;color:#111}
  .fc .ps-table .group-row td{background:#eef4f3;color:#0a6b63;font-weight:700;text-transform:uppercase;font-size:9px}

  .fc .ps-full .numbers{display:grid;grid-template-columns:1fr 1fr;gap:2px 22px}
  .fc .ps-full .datum{border-bottom:1px solid #e6e6e6;padding:3px 0;font-size:10px;break-inside:avoid}
  .fc .ps-full .datum small{display:block;color:#666}
  .fc .ps-full .datum span{font-family:var(--mono);color:#111}
  .fc .ps-full .work-step{margin-bottom:9px;break-inside:avoid}
  .fc .ps-full .work-step strong{font-size:11px;display:block;margin-bottom:3px}
  .fc .ps-full .work-step p{font-size:9px;color:#666;margin:3px 0 0}
  .fc .ps-full .formula{white-space:pre-wrap;font-family:var(--mono);font-size:9px;line-height:1.6;background:#f6f6f6;border:1px solid #e0e0e0;border-radius:4px;padding:6px 8px;color:#111;overflow-wrap:anywhere}
  .fc .ps-full.warnings p{background:#fdf3e0;border-left:2px solid #d9a441;color:#7a4e00;font-size:9px;padding:5px 8px;border-radius:3px;margin:0 0 5px}
  .fc .ps-full .source-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;font-size:9px}
  .fc .ps-full .source{break-inside:avoid}
  .fc .ps-full .source strong{display:block;font-size:10px;color:#111}
  .fc .ps-full .source p{margin:2px 0;color:#444}
  .fc .ps-full .source a{color:#0a6b63}

  body.print-spec .ps-full{display:none!important}
}