*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:#ffffff; --bg2:#f1f5f9; --bg3:#f8fafc;
  --text:#020817; --text2:#475569; --text3:#5f6d80;
  --border:#e2e8f0; --border2:#cbd5e1;
  --info-bg:#eff6ff; --info-text:#1d4ed8; --info-bd:#bfdbfe;
  --warn-bg:#fff7ed; --warn-text:#9a3412; --warn-bd:#fed7aa;
  --ok-bg:#f0fdf4;   --ok-text:#166534;   --ok-bd:#bbf7d0;
  --err-bg:#fef2f2;  --err-text:#b91c1c;  --err-bd:#fecaca;
  --rad:6px; --rad-sm:4px; --rad-lg:8px; --rad-pill:9999px;
  --sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --accent:#0f172a;
  --rule:#2563eb;
  --focus:#2563eb;
  --shadow:0 1px 2px 0 rgba(2,8,23,.05);
  --shadow-md:0 4px 12px -2px rgba(2,8,23,.10),0 2px 4px -2px rgba(2,8,23,.06);
  --shadow-lg:0 12px 32px -8px rgba(2,8,23,.22),0 4px 8px -4px rgba(2,8,23,.10);
  --shell:1480px; --measure:74ch;
  --btn-bg:#0f172a; --btn-fg:#f8fafc; --btn-border:transparent;
  --appbar-bg:#0f172a; --appbar-fg:#f8fafc; --appbar-fg2:#cbd5e1;
  --appbar-bd:#0f172a; --appbar-bd2:#334155; --appbar-btn:#1e293b;
  --appbar-btn-hv:#334155; --appbar-pill:#f8fafc;
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0f172a;--bg2:#1e293b;--bg3:#020817;
  --text:#f8fafc;--text2:#cbd5e1;--text3:#94a3b8;
  --border:#1e293b;--border2:#334155;
  --info-bg:#172554;--info-text:#93c5fd;--info-bd:#1e3a8a;
  --warn-bg:#431407;--warn-text:#fdba74;--warn-bd:#7c2d12;
  --ok-bg:#052e16;--ok-text:#86efac;--ok-bd:#14532d;
  --err-bg:#450a0a;--err-text:#fca5a5;--err-bd:#7f1d1d;
  --accent:#f8fafc;
  --rule:#3b82f6;
  --focus:#60a5fa;
  --shadow:0 1px 2px 0 rgba(0,0,0,.4);
  --shadow-md:0 4px 12px -2px rgba(0,0,0,.5),0 2px 4px -2px rgba(0,0,0,.4);
  --shadow-lg:0 12px 32px -8px rgba(0,0,0,.7),0 4px 8px -4px rgba(0,0,0,.5);
  --btn-bg:#f8fafc;--btn-fg:#0f172a;--btn-border:transparent;
  --appbar-bg:#1e293b;--appbar-fg:#f8fafc;--appbar-fg2:#cbd5e1;
  --appbar-bd:#334155;--appbar-bd2:#475569;--appbar-btn:#334155;
  --appbar-btn-hv:#475569;--appbar-pill:#f8fafc;
}}
body{font-family:var(--sans);font-size:14px;line-height:1.5;background:var(--bg3);color:var(--text);min-height:100vh;
  padding:24px clamp(14px,3vw,40px);-webkit-font-smoothing:antialiased;}
.container{width:100%;max-width:var(--shell);margin:0 auto;}
h1{font-weight:600;letter-spacing:-.02em;line-height:1.2;}
.sub{font-size:14px;color:var(--text2);max-width:var(--measure);}
/* Product identity band: the sibling dashboard's dark chrome, contained to the shell. */
.appbar{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:14px 20px;
  background:var(--appbar-bg);border:1px solid var(--appbar-bd);border-radius:var(--rad-lg);
  padding:14px clamp(16px,1.6vw,22px);margin-bottom:16px;box-shadow:var(--shadow);}
.appbar-id{color:var(--appbar-fg);}
.appbar-id h1{color:var(--appbar-fg);font-size:20px;margin-bottom:2px;}
.appbar-id .sub{color:var(--appbar-fg2);margin-bottom:0;}
.appbar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.appbar .sec-btn{background:var(--appbar-btn);border-color:var(--appbar-bd2);color:var(--appbar-fg);}
.appbar .sec-btn:hover{background:var(--appbar-btn-hv);}
/* Currency choice: a two-way segmented pill, sized to sit beside the app-bar buttons. */
.ccy-switch{display:inline-flex;align-items:center;gap:8px;}
.ccy-switch .ccy-lbl{color:var(--appbar-fg2);font-size:12px;white-space:nowrap;}
.ccy-seg{display:inline-flex;gap:2px;padding:2px;background:var(--appbar-btn);
  border:1px solid var(--appbar-bd2);border-radius:var(--rad-pill);}
.ccy-seg button{background:transparent;border:none;border-radius:var(--rad-pill);cursor:pointer;
  color:var(--appbar-fg2);font-family:inherit;font-size:12px;font-weight:600;line-height:1.3;padding:5px 12px;}
.ccy-seg button:hover{background:var(--appbar-btn-hv);color:var(--appbar-fg);}
.ccy-seg button[aria-pressed="true"]{background:var(--appbar-pill);color:var(--appbar-bg);}
/* Prose keeps a readable measure; data tables take the full column. */
.info{max-width:var(--measure);}
/* The currency note carries figures, not prose — it tracks the column it annotates. */
.info.ccy-note{max-width:none;}
.card{background:var(--bg);border-radius:var(--rad-lg);border:1px solid var(--border);overflow:clip;margin-bottom:16px;box-shadow:var(--shadow);}
/* Wrapping rather than scrolling: no tab is ever clipped mid-word or hidden behind a fade. */
.tab-bar{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--border);background:var(--bg3);padding:0 6px;gap:2px;}
.tab{padding:12px 14px;font-size:14px;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;color:var(--text2);
  white-space:nowrap;user-select:none;flex-shrink:0;margin-bottom:-1px;transition:color .12s,border-color .12s;}
.tab:hover{color:var(--text);}
.tab.active{color:var(--text);border-bottom-color:var(--accent);font-weight:600;}
/* Parts the main-flow tabs from the ancillary ones; the inset keeps it from reading as an empty tab. */
.tab-sep{flex:0 0 1px;align-self:stretch;min-height:20px;margin:9px 8px;background:var(--border2);}
.tp{display:none;padding:24px clamp(18px,2vw,28px) 28px;}
.tp.active{display:block;}
.sl{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--text2);margin-bottom:8px;}
/* Top-level section titles: a real step up from the micro-labels above. */
.sl-major{font-size:18px;font-weight:600;letter-spacing:-.01em;text-transform:none;color:var(--text);margin-bottom:12px;}
.section-hd{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 16px;
  margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border);}
.section-hd>.sl-major,.section-hd>.sl{margin-bottom:0;}
.section-hd+.prose,.section-hd+.info{margin-top:-4px;}
input[type=text],input[type=number],input[type=email],input[type=password],select,textarea{background:var(--bg);color:var(--text);
  border:1px solid var(--border2);border-radius:var(--rad);padding:8px 11px;font-size:14px;font-family:inherit;
  line-height:1.4;outline:none;transition:border-color .12s,box-shadow .12s;}
input::placeholder,textarea::placeholder{color:var(--text3);}
input:focus,select:focus,textarea:focus{border-color:var(--focus);box-shadow:0 0 0 3px color-mix(in srgb,var(--focus) 22%,transparent);}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:var(--rad-sm);}
/* The catalog is long enough that its search field has to announce itself rather than sit flush with the card. */
#sel-search{background:var(--bg2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a97a8' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.9-3.9'/%3E%3C/svg%3E") no-repeat 11px center/15px;
  border-color:var(--border2);padding:9px 12px 9px 34px;box-shadow:var(--shadow);}
#sel-search:focus{border-color:var(--focus);box-shadow:0 0 0 3px color-mix(in srgb,var(--focus) 22%,transparent);}
textarea{resize:vertical;}
.ds-tiles{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;align-items:stretch;}
.ds-tiles .upload-zone{margin-bottom:0;}
.upload-zone{border:1px dashed var(--border2);border-radius:var(--rad-lg);padding:26px;text-align:center;cursor:pointer;
  margin-bottom:16px;position:relative;background:var(--bg3);transition:background .12s,border-color .12s;}
.upload-zone:hover{background:var(--bg2);border-color:var(--focus);}
.upload-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;}
.dl-tile{border:1px dashed var(--border2);border-radius:var(--rad-lg);padding:26px;text-align:center;cursor:pointer;
  position:relative;background:var(--bg3);transition:background .12s,border-color .12s;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:inherit;}
.dl-tile:hover{background:var(--bg2);border-color:var(--focus);}
.uz-icon{font-size:24px;margin-bottom:8px;}
.uz-label{font-size:14px;font-weight:600;}
.uz-hint{font-size:12px;color:var(--text2);margin-top:4px;}
@media (max-width:700px){.ds-tiles{grid-template-columns:1fr;}}
.ok-badge{display:inline-flex;align-items:center;gap:6px;background:var(--ok-bg);color:var(--ok-text);
  border:1px solid var(--ok-bd);font-size:12px;font-weight:500;padding:4px 10px;border-radius:var(--rad-pill);margin-bottom:10px;}
.info{font-size:14px;color:var(--text2);background:var(--bg2);border:1px solid var(--border);border-radius:var(--rad);
  padding:12px 14px;margin-bottom:16px;line-height:1.6;}
.info strong{color:var(--text);font-weight:600;}
.wm{font-size:14px;padding:10px 12px;border-radius:var(--rad);margin-top:8px;line-height:1.55;border:1px solid transparent;}
.wm.warn{background:var(--warn-bg);color:var(--warn-text);border-color:var(--warn-bd);}
.wm.err{background:var(--err-bg);color:var(--err-text);border-color:var(--err-bd);}
.cmg{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.util-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;font-size:12px;}
.tbl-wrap{overflow-x:auto;}
.cmi label{display:block;font-size:12px;font-weight:500;color:var(--text2);margin-bottom:4px;}
.cmi select,.cmi input[type=text],.cmi input[type=number]{width:100%;}
.preview-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--rad);margin-bottom:16px;}
.uc-row{display:flex;gap:8px;margin-bottom:8px;align-items:flex-start;}
.iw{position:relative;flex:1;}
.uc-row input[type=text]{width:100%;}
.uc-row input[type=number]{width:96px;flex-shrink:0;font-family:var(--mono);font-variant-numeric:tabular-nums;}
.rm-btn{width:38px;height:38px;border:1px solid var(--border2);border-radius:var(--rad);background:var(--bg);cursor:pointer;
  color:var(--text2);font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background .12s,color .12s,border-color .12s;}
.rm-btn:hover{background:var(--err-bg);color:var(--err-text);border-color:var(--err-bd);}
.sugs{background:var(--bg);border:1px solid var(--border2);border-radius:var(--rad);position:absolute;z-index:100;width:100%;
  max-height:240px;overflow-y:auto;top:42px;left:0;box-shadow:var(--shadow-md);}
.si{padding:9px 12px;font-size:14px;cursor:pointer;border-bottom:1px solid var(--border);}
.si:last-child{border-bottom:none;}
.si:hover{background:var(--bg2);}
.si-label{font-size:12px;color:var(--text3);margin-left:6px;}
.mc-alias{font-size:12px;color:var(--info-text);margin-top:3px;}
.sm{font-weight:600;color:var(--info-text);}
.add-btn{background:transparent;border:1px dashed var(--border2);border-radius:var(--rad);padding:9px 14px;font-size:14px;
  font-weight:500;cursor:pointer;color:var(--text2);width:100%;margin-bottom:4px;transition:background .12s,color .12s,border-color .12s;}
.add-btn:hover{background:var(--bg2);color:var(--text);border-color:var(--text3);}
.primary-btn{margin-top:14px;background:var(--btn-bg);color:var(--btn-fg);border:1px solid var(--btn-border);
  border-radius:var(--rad);padding:10px 22px;font-size:14px;font-weight:500;cursor:pointer;width:100%;
  box-shadow:var(--shadow);transition:opacity .12s;}
.primary-btn:hover{opacity:.9;}
.primary-btn[disabled],.sec-btn[disabled]{opacity:.5;pointer-events:none;}
.sec-btn{background:var(--bg);border:1px solid var(--border2);color:var(--text);border-radius:var(--rad);padding:8px 14px;
  font-size:14px;font-weight:500;cursor:pointer;transition:background .12s,border-color .12s;}
.sec-btn:hover{background:var(--bg2);}
.sec-btn.active-filter{background:var(--info-bg);color:var(--info-text);border-color:var(--info-text);font-weight:600;}
.divhr{border:none;border-top:1px solid var(--border);margin:20px 0;}
/* The four headline figures are the output of the tool — one slab, hairline-divided. */
.sgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-bottom:22px;
  background:var(--border);border:1px solid var(--border);border-top:3px solid var(--rule);
  border-radius:var(--rad-lg);overflow:hidden;box-shadow:var(--shadow);}
.mc{background:var(--bg);padding:16px clamp(14px,1.4vw,22px) 18px;}
.mc .ml{font-size:12px;font-weight:600;color:var(--text2);margin-bottom:10px;text-transform:uppercase;letter-spacing:.05em;}
.mc .mv{font-size:clamp(30px,2.4vw,36px);font-weight:600;line-height:1.05;letter-spacing:-.03em;font-variant-numeric:tabular-nums;}
.mc .mu{font-size:14px;color:var(--text2);margin-left:6px;font-weight:400;letter-spacing:0;}
.bt{width:100%;border-collapse:collapse;font-size:14px;}
.tbl-wrap>.bt{min-width:640px;}
.bt th{text-align:left;padding:9px 12px;font-size:12px;font-weight:600;color:var(--text2);
  border-bottom:1px solid var(--border2);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;}
.bt td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top;line-height:1.45;}
.bt tbody tr:hover>td{background:var(--bg2);}
.bt tr:last-child td{border-bottom:none;}
.bt tfoot tr:first-child td{border-top:1px solid var(--border2);border-bottom:none;font-weight:600;padding-top:11px;}
.bt tfoot tr td{border-bottom:none;padding:6px 12px;}
.tag,.dtag{white-space:nowrap;}
.tag{display:inline-block;background:var(--info-bg);color:var(--info-text);border:1px solid var(--info-bd);font-size:12px;
  font-weight:500;padding:2px 9px;border-radius:var(--rad-pill);margin:2px 3px 2px 0;}
.dtag{display:inline-block;background:var(--bg2);color:var(--text2);font-size:12px;font-weight:500;padding:2px 9px;
  border-radius:var(--rad-pill);margin:2px 3px 2px 0;border:1px solid var(--border);}
.dn{font-size:12px;color:var(--text2);margin-top:4px;line-height:1.5;}
.bulk-cam-bar{display:flex;align-items:center;gap:10px 12px;flex-wrap:wrap;background:var(--bg2);border-radius:var(--rad);
  padding:12px 14px;margin-bottom:16px;border:1px solid var(--border);}
.bulk-cam-apply{padding:7px 12px;font-size:12px;}
.opt-box{margin-top:16px;background:var(--bg3);border-radius:var(--rad-lg);border:1px solid var(--border);padding:14px 16px 16px;}
.opt-box-title{font-size:12px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;}
.opt-row{display:flex;align-items:center;gap:10px 12px;flex-wrap:wrap;padding:12px 0;border-top:1px solid var(--border);}
.opt-box-title+.opt-row{border-top:none;padding-top:0;}
.opt-row>label:first-child,.opt-row .opt-name{font-size:14px;font-weight:500;white-space:nowrap;}
.opt-row .opt-chk{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:400;cursor:pointer;white-space:nowrap;}
/* Derived-value annotations belong beside the control they describe, not flush to the far margin. */
.opt-badge{font-size:12px;font-weight:500;color:var(--ok-text);background:var(--ok-bg);border:1px solid var(--ok-bd);
  border-radius:var(--rad-pill);padding:3px 10px;white-space:nowrap;}
.opt-badge:empty{display:none;}
.opt-hint{flex-basis:100%;font-size:12px;color:var(--text2);line-height:1.6;}
input[type=checkbox],input[type=radio]{width:16px;height:16px;cursor:pointer;accent-color:var(--focus);}
.cat-filter-bar{display:flex;flex-wrap:wrap;gap:6px;}
.filter-panel{background:var(--bg3);border:1px solid var(--border);border-radius:var(--rad-lg);padding:4px 14px;margin-bottom:18px;}
.filter-row{display:flex;align-items:flex-start;gap:14px;padding:10px 0;}
.filter-row+.filter-row{border-top:1px solid var(--border);}
.filter-row>.sl{margin-bottom:0;min-width:88px;flex-shrink:0;padding-top:7px;text-align:right;}
.filter-row>.cat-filter-bar{flex:1;}
.filter-row .sec-btn{padding:5px 11px;font-size:12px;border-radius:var(--rad-pill);}
.model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:10px;}
/* Category rules break the card wall into scannable bands. */
.mg-group{grid-column:1/-1;display:flex;align-items:center;gap:12px;font-size:14px;font-weight:600;
  letter-spacing:-.005em;color:var(--text);margin:16px 0 2px;}
.mg-group:first-child{margin-top:2px;}
.mg-group::after{content:"";flex:1;height:1px;background:var(--border);}
.mg-count{font-weight:500;font-size:12px;font-family:var(--mono);color:var(--text3);}
.model-card{border:1px solid var(--border);border-radius:var(--rad-lg);padding:12px 14px;cursor:pointer;background:var(--bg);
  transition:border-color .12s,background .12s,box-shadow .12s;display:flex;align-items:flex-start;gap:10px;}
.model-card:hover{background:var(--bg3);border-color:var(--border2);box-shadow:var(--shadow);}
.model-card.selected{border-color:var(--focus);background:var(--info-bg);box-shadow:0 0 0 1px var(--focus);}
.model-card input[type=checkbox]{margin-top:2px;flex-shrink:0;}
.mc-label{font-size:14px;font-weight:600;line-height:1.35;}
.mc-cat{font-size:12px;color:var(--text3);margin-top:5px;letter-spacing:0;}
.mc-models{font-size:12px;color:var(--text2);margin-top:6px;line-height:1.5;}
/* Pinned to the viewport for the whole length of the card list, elevated so it reads as chrome. */
.cam-input-row{position:sticky;bottom:0;z-index:20;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:16px;background:var(--bg);border:1px solid var(--border2);border-radius:var(--rad-lg);padding:12px 14px;
  box-shadow:var(--shadow-lg);}
.cam-input-row.has-sel{border-color:var(--focus);box-shadow:0 0 0 1px var(--focus),var(--shadow-lg);}
.cam-input-row label{font-size:14px;font-weight:500;}
.cam-input-row input{width:96px;font-family:var(--mono);font-variant-numeric:tabular-nums;}
.cam-input-row #sel-status{margin-left:auto;}
/* Server library */
.sv-table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px;}
.sv-table th{padding:10px 12px;background:var(--bg2);font-size:12px;font-weight:600;text-align:left;color:var(--text2);
  border-bottom:1px solid var(--border2);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;}
.sv-table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle;line-height:1.45;}
.sv-table td.num,.bt td.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.04em;}
/* A figure cell may carry a prose annotation beneath it; only the figure is monospaced. */
.sv-table td.num>div,.bt td.num>div{font-family:var(--sans);}
.sv-table th.num,.bt th.num{text-align:right;}
.sv-table tr:last-child td{border-bottom:none;}
.sv-table tr:hover td{background:var(--bg2);}
/* Optimizer */
.opt-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.opt-result-card{border:1px solid var(--border);border-radius:var(--rad-lg);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);}
.util-bar{height:6px;background:var(--bg2);border-radius:var(--rad-pill);overflow:hidden;margin-top:5px;}
.util-fill{height:100%;border-radius:var(--rad-pill);background:var(--rule);}
/* Debugger */
/* Diagnostics, not page furniture: quiet by default, full detail on expand. */
.dbg-panel{border:1px dashed var(--border2);border-radius:var(--rad-lg);margin-top:28px;overflow:hidden;}
.dbg-hdr{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 14px;background:transparent;cursor:pointer;user-select:none;}
.dbg-hdr:hover{background:var(--bg2);}
.dbg-hdr-l{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--text2);}
.dbadge{font-size:12px;padding:2px 9px;border-radius:var(--rad-pill);font-weight:500;border:1px solid transparent;}
.dbadge.ok{background:var(--ok-bg);color:var(--ok-text);border-color:var(--ok-bd);}
.dbadge.warn{background:var(--warn-bg);color:var(--warn-text);border-color:var(--warn-bd);}
.dbadge.err{background:var(--err-bg);color:var(--err-text);border-color:var(--err-bd);}
.dbg-hdr-r{font-size:12px;color:var(--text2);}
.dbg-body{display:none;border-top:1px solid var(--border);}
.dbg-body.open{display:block;}
.dbg-sec{padding:10px 14px;border-bottom:1px solid var(--border);}
.dbg-sec:last-child{border-bottom:none;}
.dbg-stitle{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text2);margin-bottom:8px;}
.dbg-row{display:grid;grid-template-columns:260px 1fr;gap:10px;font-size:12px;font-family:var(--mono);padding:5px 0;
  border-bottom:1px solid var(--border);align-items:start;}
.dbg-row:last-child{border-bottom:none;}
.dbg-lbl{color:var(--text2);overflow-wrap:anywhere;line-height:1.5;}
.dbg-val{color:var(--text);line-height:1.6;word-break:break-word;}
.c-ok{color:var(--ok-text);}
.c-warn{color:var(--warn-text);}
.c-err{color:var(--err-text);}
.c-info{color:var(--info-text);}
/* History */
.hist-entry{border:1px solid var(--border);border-radius:var(--rad-lg);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);}
.hist-hdr{padding:12px 14px;background:var(--bg3);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;cursor:pointer;user-select:none;}
.hist-hdr:hover{background:var(--bg2);}
.hist-meta{font-size:12px;color:var(--text2);}
.hist-metrics{display:flex;gap:16px;flex-shrink:0;}
.hist-metrics>span{min-width:92px;text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;}
.hist-body{display:none;border-top:1px solid var(--border);padding:16px;}
.hist-body.open{display:block;}
.hist-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;}
/* Tooltips */
/* Onboarding */
.onboard-overlay{position:fixed;inset:0;background:rgba(2,8,23,.6);z-index:500;display:flex;align-items:center;justify-content:center;padding:16px;}
.onboard-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--rad-lg);max-width:480px;width:100%;overflow:hidden;box-shadow:var(--shadow-lg);}
.ob-hdr{padding:22px 24px 0;}
.ob-body{padding:14px 24px 0;}
.ob-step{display:none;}
.ob-step.active{display:block;}
.ob-dots{display:flex;gap:6px;margin-bottom:16px;}
.ob-dot{height:4px;flex:1;border-radius:var(--rad-pill);background:var(--border);transition:background .2s;}
.ob-dot.done{background:var(--accent);}
.ob-icon{font-size:24px;margin-bottom:10px;}
.ob-title{font-size:18px;font-weight:600;margin-bottom:6px;letter-spacing:-.01em;}
.ob-desc{font-size:14px;color:var(--text2);line-height:1.6;}
.ob-ftr{padding:16px 24px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);margin-top:18px;}
/* Conflict warning */
.conflict-warn{background:var(--warn-bg);color:var(--warn-text);border:1px solid var(--warn-bd);border-radius:var(--rad);
  padding:9px 12px;font-size:12px;line-height:1.55;margin-top:6px;}
/* What-if table */
.whatif-wrap{margin-top:24px;}
.whatif-table{width:100%;border-collapse:collapse;font-size:14px;min-width:440px;
  font-family:var(--mono);font-variant-numeric:tabular-nums;}
.whatif-table tbody tr:hover td{background:var(--bg2);}
.whatif-table th{padding:9px 12px;background:var(--bg2);font-size:12px;font-weight:600;text-align:right;color:var(--text2);
  border-bottom:1px solid var(--border2);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;font-family:var(--sans);}
.whatif-table th:first-child{text-align:center;}
.whatif-table td{padding:9px 12px;border-bottom:1px solid var(--border);text-align:right;letter-spacing:-.04em;}
/* Range controls get their own strip instead of being crammed into the header row. */
.whatif-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;
  background:var(--bg3);border:1px solid var(--border);border-radius:var(--rad);padding:10px 12px;margin-bottom:12px;}
.whatif-controls .wc-lbl{color:var(--text2);font-weight:500;}
.whatif-controls input{width:70px;font-family:var(--mono);font-variant-numeric:tabular-nums;}
.whatif-controls .sec-btn{margin-left:auto;padding:6px 12px;font-size:12px;}
.whatif-table td:first-child{text-align:center;font-weight:600;}
.whatif-table tr.cur td{background:var(--info-bg);color:var(--info-text);font-weight:600;}
.whatif-table tr:last-child td{border-bottom:none;}
/* Compare */
.compare-table{width:100%;border-collapse:collapse;font-size:14px;}
.compare-table th{padding:9px 10px;background:transparent;font-size:12px;font-weight:600;text-align:left;color:var(--text2);
  text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border2);}
.compare-table td{padding:9px 10px;border-bottom:1px solid var(--border);line-height:1.45;}
.compare-table tr:last-child td{border-bottom:none;}
.diff-up{color:var(--err-text);font-weight:600;}
.diff-dn{color:var(--ok-text);font-weight:600;}
.diff-eq{color:var(--text3);}
/* Spec recommendation */
.spec-rec-card{border:1px solid var(--border2);border-radius:var(--rad-lg);margin-top:18px;overflow:hidden;box-shadow:var(--shadow);}
.spec-rec-hdr{padding:12px 16px;background:var(--bg3);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;}
.spec-rec-body{padding:16px;}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0;}
.spec-cell{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rad);padding:12px;text-align:center;}
.spec-cell .sc-label{font-size:12px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;}
.spec-cell .sc-val{font-size:20px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.spec-cell .sc-unit{font-size:12px;color:var(--text2);margin-left:3px;font-weight:400;}
.spec-cell .sc-util{font-size:12px;margin-top:5px;}
.util-pill{display:inline-block;padding:2px 9px;border-radius:var(--rad-pill);font-size:12px;font-weight:600;}

.scenario-badge{display:inline-flex;align-items:center;gap:6px;background:var(--info-bg);color:var(--info-text);
  border:1px solid var(--info-bd);font-size:12px;font-weight:500;padding:4px 11px;border-radius:var(--rad-pill);margin-bottom:12px;}

@media print{
  /* Paper is always light, whatever the operating system prefers. */
  :root{
    --bg:#ffffff;--bg2:#f1f5f9;--bg3:#ffffff;
    --text:#020817;--text2:#334155;--text3:#475569;
    --border:#cbd5e1;--border2:#94a3b8;
    --info-bg:#eff6ff;--info-text:#1d4ed8;--info-bd:#bfdbfe;
    --warn-bg:#fff7ed;--warn-text:#9a3412;--warn-bd:#fed7aa;
    --ok-bg:#f0fdf4;--ok-text:#166534;--ok-bd:#bbf7d0;
    --err-bg:#fef2f2;--err-text:#b91c1c;--err-bd:#fecaca;
    --accent:#0f172a;--rule:#1d4ed8;
    --appbar-bg:#ffffff;--appbar-fg:#020817;--appbar-fg2:#334155;
    --appbar-bd:#ffffff;--appbar-bd2:#94a3b8;--appbar-btn:#ffffff;
    --appbar-btn-hv:#ffffff;--appbar-pill:#0f172a;
    --shadow:none;--shadow-md:none;--shadow-lg:none;
  }
  body{background:#fff!important;padding:0;-webkit-print-color-adjust:exact;print-color-adjust:exact;}
  .container{max-width:100%;}
  .no-print,.tab-bar,.add-btn,.rm-btn,.primary-btn,
  .opt-box,.bulk-cam-bar,.dbg-panel,.upload-zone,
  .cam-input-row,.cat-filter-bar,.filter-panel,.model-grid,#sel-legend,
  .whatif-controls,#add-server-form,.opt-controls,#name-modal{display:none!important;}
  .tp{display:block!important;padding:8px 0;}
  .card,.hist-entry,.opt-result-card{border:none;border-radius:0;margin-bottom:0;box-shadow:none;}
  .appbar{border:none;border-radius:0;padding:0;margin-bottom:10px;box-shadow:none;}
  #tab-upload,#tab-selector{display:none!important;}
  #tab-estimate,#tab-servers,#tab-optimizer{display:block!important;page-break-inside:avoid;}
  .sgrid{grid-template-columns:repeat(4,1fr);border:1px solid var(--border2);border-top:2px solid var(--rule);
    page-break-inside:avoid;box-shadow:none;}
  .mc{padding:10px 12px;}
  .mc .mv{font-size:24px;}
  .mc .ml{font-size:12px;margin-bottom:6px;}
  .section-hd{padding-bottom:6px;margin-bottom:10px;}
  .sl-major{font-size:16px;}
  .opt-result-card{page-break-inside:avoid;}
}
@media(max-width:820px){.g3{grid-template-columns:1fr 1fr;}}
/* Once the tabs occupy more than one row, spread them evenly and keep tap targets thumb-sized. */
@media(max-width:680px){
  .tab{flex:1 1 auto;text-align:center;padding:11px 12px;min-height:44px;display:flex;align-items:center;justify-content:center;}
}
@media(max-width:540px){
  .g2,.g3{grid-template-columns:1fr;}
  .spec-grid,.util-grid{grid-template-columns:1fr 1fr;}
  .sgrid{grid-template-columns:1fr 1fr;}
  .cmg{grid-template-columns:1fr;}
  .dbg-row{grid-template-columns:1fr;}
  .model-grid{grid-template-columns:1fr;}
  .filter-row{flex-direction:column;gap:8px;}
  .filter-row>.sl{text-align:left;padding-top:0;}
  .whatif-controls .sec-btn{margin-left:0;}
  .cam-input-row{padding:10px 12px;gap:8px;}
  .cam-input-row label{flex-basis:100%;font-size:12px;}
  .cam-input-row input{width:80px;}
  .cam-input-row #sel-status{margin-left:0;}
  .cam-input-row #sel-add-btn{flex:1;}
}
.auth-gate{position:fixed;inset:0;background:var(--bg3);z-index:900;display:none;align-items:center;justify-content:center;padding:20px;}
.auth-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--rad-lg);padding:32px 28px;width:100%;max-width:400px;box-shadow:var(--shadow-lg);}
.auth-logo{font-size:30px;margin-bottom:12px;}
.auth-title{font-size:20px;font-weight:600;margin-bottom:4px;letter-spacing:-.01em;}
.auth-sub{font-size:14px;color:var(--text2);margin-bottom:22px;}
.auth-label{display:block;font-size:12px;font-weight:600;color:var(--text2);margin-bottom:6px;}
.auth-label+input{width:100%;}
.auth-field{margin-top:14px;}
.auth-or{display:flex;align-items:center;gap:12px;margin:18px 0 14px;font-size:12px;color:var(--text2);}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:var(--border);}
.auth-ms{width:100%;display:flex;align-items:center;justify-content:center;gap:9px;padding:10px 14px;font-size:14px;}
.auth-ms-mark{display:grid;grid-template-columns:7px 7px;grid-template-rows:7px 7px;gap:1px;flex:none;}
.auth-ms-mark i{display:block;}
.auth-guest-icon{font-size:30px;margin-bottom:10px;}
.auth-guest-msg{font-size:18px;font-weight:600;margin-bottom:6px;}
.auth-guest-sub{font-size:14px;color:var(--text2);line-height:1.6;}
.modal-back{position:fixed;inset:0;background:rgba(2,8,23,.6);z-index:800;align-items:center;justify-content:center;padding:16px;}
.modal-card{background:var(--bg);border-radius:var(--rad-lg);border:1px solid var(--border);padding:24px;width:100%;max-width:450px;box-shadow:var(--shadow-lg);}
.modal-title{font-size:18px;font-weight:600;margin-bottom:10px;letter-spacing:-.01em;}
.modal-body{font-size:14px;margin-bottom:16px;line-height:1.6;}
[hidden]{display:none!important;}