/* Formwright — workbench UI. Editor on the left, A4 proof sheets on a drafting-table ground on the right. */
:root{
  --bg:#f3f5f7; --panel:#ffffff; --fg:#1b2430; --muted:#5b6675; --line:#d7dce2; --line-2:#e7eaee;
  --accent:#1f5f8b; --accent-ink:#ffffff; --soft:#e5edf4; --danger:#a83a32; --ok:#2c6a4f; --table:#dfe3e8;
  --paper-ink:#16202b; --paper-muted:#5f6b78; --paper-line:#8f9ba8; --paper-rule:#dde2e7; --paper-fill:#f1f3f6;
  --f-ui:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --f-form:Helvetica,Arial,"Liberation Sans",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#121820; --panel:#19212b; --fg:#e2e7ed; --muted:#95a2b0; --line:#2c3644; --line-2:#232c37;
    --accent:#6eaad6; --accent-ink:#0b1620; --soft:#1f2d3a; --danger:#e3847a; --ok:#7cc4a0; --table:#0d1218;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--fg);font:14px/1.45 var(--f-ui)}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
[hidden]{display:none!important}

/* buttons & inputs */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);border-radius:5px;padding:5px 11px;font-size:13px;cursor:pointer;text-decoration:none;color:var(--fg);white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{color:var(--danger)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.sm{padding:3px 8px;font-size:12px}
.toolbar{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.in{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:4px;padding:5px 7px;font-size:13px;min-width:0}
.in:disabled{opacity:.45}
textarea.in{resize:vertical;min-height:70px;line-height:1.4}
.msg{font-size:12.5px;color:var(--muted)}
.msg.err{color:var(--danger)}
.msg.ok{color:var(--ok)}

/* ===== top bar (list + editor) ===== */
.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel);flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}
.brand b{font-size:15px;font-weight:600}
.topbar .grow{flex:1}
.topbar .who{font-size:12.5px;color:var(--muted)}

/* ===== forms list ===== */
.wrap{max-width:1040px;margin:0 auto;padding-inline:16px;padding-block:24px 48px}
.wrap h1{font-size:22px;font-weight:600;margin:0 0 4px;letter-spacing:-.01em}
.wrap .lead{color:var(--muted);margin:0 0 18px}
.list{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.list-row{display:grid;grid-template-columns:minmax(0,1fr) 140px 60px 150px 340px;gap:12px;align-items:center;padding:12px 16px;border-top:1px solid var(--line-2)}
.list-row:first-child{border-top:0}
.list-row.head{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-block:8px;background:var(--bg)}
.list-row .t{min-width:0}
.list-row .t a{font-weight:600;text-decoration:none;color:var(--fg)}
.list-row .t a:hover{color:var(--accent)}
.list-row .t small{display:block;color:var(--muted);font-size:12px;font-family:var(--f-mono)}
.list-row .n{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}
.list-row .acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.empty{padding:36px 16px;text-align:center;color:var(--muted)}
@media (max-width:760px){
  .list-row{grid-template-columns:minmax(0,1fr) auto}
  .list-row .n,.list-row.head{display:none}
  .list-row .acts{grid-column:1/-1;justify-content:flex-start}
}

/* ===== login ===== */
.login{max-width:360px;margin:12vh auto 0;padding-inline:16px}
.login form{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:22px;display:grid;gap:12px}
.login h1{font-size:18px;margin:0}

/* ===== editor ===== */
.app{display:grid;grid-template-columns:minmax(0,460px) minmax(0,1fr);height:calc(100% - 53px)}
.side{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;min-width:0}
.tabs{display:flex;gap:2px;padding-inline:12px;border-bottom:1px solid var(--line);overflow-x:auto}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:9px 10px;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;white-space:nowrap}
.tab[aria-selected="true"]{color:var(--fg);border-bottom-color:var(--accent)}
.tab .n{font-family:var(--f-mono);font-size:11px;color:var(--muted);margin-left:4px}
.pane{flex:1;overflow:auto;padding:14px 16px 28px;min-height:0}
.fhead,.frow{display:grid;grid-template-columns:22px minmax(0,1fr) 120px 52px 26px 28px;gap:6px;align-items:center}
.fhead{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding-bottom:6px;border-bottom:1px solid var(--line)}
.fwrap{border-bottom:1px solid var(--line-2);padding-block:6px}
.idx{font-family:var(--f-mono);font-size:11px;color:var(--muted);text-align:right}
.req-t{display:flex;justify-content:center}
.req-t input{width:15px;height:15px;accent-color:var(--accent)}
.icon{background:none;border:1px solid transparent;border-radius:4px;height:28px;width:28px;cursor:pointer;color:var(--muted);display:grid;place-items:center}
.icon:hover{border-color:var(--line);color:var(--fg)}
.icon[aria-expanded="true"]{background:var(--soft);color:var(--fg)}
.sub{display:flex;gap:6px;align-items:center;margin-top:6px;padding-left:28px;flex-wrap:wrap}
.sub .in{flex:1 1 160px}
.sub .grp{display:flex;gap:4px}
.paste{background:var(--soft);border-radius:6px;padding:10px;margin-bottom:12px;display:grid;gap:8px}
.paste p{margin:0;font-size:12px;color:var(--muted)}
.paste code{font-family:var(--f-mono);font-size:11.5px}
.form-grid{display:grid;gap:12px}
.form-grid .two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fld{display:grid;gap:4px;min-width:0}
.fld > span{font-size:12px;font-weight:500;color:var(--muted)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:5px;overflow:hidden;width:max-content;max-width:100%}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:5px 11px;font-size:12.5px;border-left:1px solid var(--line)}
.seg label:first-child span{border-left:0}
.seg input:checked + span{background:var(--accent);color:var(--accent-ink)}
.seg input:focus-visible + span{outline:2px solid var(--accent);outline-offset:-2px}
.swatches{display:flex;gap:8px}
.swatches label{cursor:pointer;position:relative}
.swatches input{position:absolute;opacity:0}
.swatches span{display:block;width:26px;height:26px;border-radius:50%;border:2px solid var(--panel);box-shadow:0 0 0 1px var(--line)}
.swatches input:checked + span{box-shadow:0 0 0 2px var(--fg)}
.toggle{display:flex;gap:8px;align-items:center;font-size:13px}
.toggle input{width:16px;height:16px;accent-color:var(--accent)}
.lead{font-size:13px;color:var(--muted);margin:0 0 12px;max-width:60ch}
.log{list-style:none;margin:0;padding:0}
.log li{display:grid;grid-template-columns:76px minmax(0,1fr);gap:10px;padding:7px 0;border-bottom:1px solid var(--line-2);font-size:13px}
.tag{font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--soft);border-radius:3px;padding:2px 6px;height:max-content;text-align:center}
.log b{font-weight:600}
.codebox{position:relative;margin-bottom:16px}
.codebox pre{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:10px 12px;font:12px/1.5 var(--f-mono);overflow:auto;max-height:420px}
.codebox .btn{position:absolute;top:6px;right:6px}
h3{font-size:13px;font-weight:600;margin:18px 0 8px}
.versions{list-style:none;margin:0;padding:0}
.versions li{display:flex;gap:8px;align-items:center;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line-2);font-size:13px;flex-wrap:wrap}
.versions .v{font-family:var(--f-mono);font-weight:500}
.versions small{color:var(--muted)}
.main{min-width:0;overflow:auto;background:var(--table)}
.bar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--table);border-bottom:1px solid var(--line)}
.stats{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12.5px;color:var(--muted)}
.stats b{color:var(--fg);font-weight:600;font-variant-numeric:tabular-nums}
.sheets{--s:1;display:flex;flex-direction:column;align-items:center;gap:22px;padding-block:22px 40px;padding-inline:16px}
.sheet-slot{position:relative;width:calc(210mm * var(--s));height:calc(297mm * var(--s));flex:none}
@media (max-width:900px){
  .app{grid-template-columns:1fr;height:auto}
  .side{border-right:0;border-bottom:1px solid var(--line)}
  .pane{overflow:visible}
  .main{overflow:visible}
}
@media (max-width:420px){
  .fhead,.frow{grid-template-columns:18px minmax(0,1fr) 92px 44px 22px 26px;gap:4px}
  .form-grid .two{grid-template-columns:1fr}
}

/* ===== A4 sheet (print-white in both themes; mirrors PdfRenderer) ===== */
.sheet{position:absolute;top:0;left:0;width:210mm;height:297mm;transform:scale(var(--s));transform-origin:0 0;background:#fff;color:var(--paper-ink);font-family:var(--f-form);box-shadow:0 1px 2px rgba(10,20,30,.14),0 10px 28px rgba(10,20,30,.14);color-scheme:light;overflow:hidden}
.sheet > *{position:absolute}
.pv-head{display:block}
.pv-head > div{position:static}
.pv-org{font-size:8.5pt;font-weight:700;letter-spacing:.25mm;text-transform:uppercase;color:var(--fa);height:5mm;line-height:5mm}
.pv-code{position:absolute!important;right:0;top:.6mm;font-size:7.5pt;color:var(--paper-muted);line-height:5mm}
.pv-rule{height:.8mm;background:var(--fa);margin-top:1mm}
.pv-title{font-size:17pt;font-weight:700;line-height:8mm;margin-top:2.2mm}
.pv-ins{font-size:8.5pt;line-height:4.4mm;color:var(--paper-muted);margin-top:1mm}
.pv-req{font-size:7.5pt;color:var(--paper-muted);margin-top:1mm;line-height:4mm}
.pv-req b{color:var(--fa)}
.pv-sec{border-top:.4mm solid var(--fa);display:flex;justify-content:space-between;padding-top:1.1mm;font-size:8.5pt;font-weight:700;letter-spacing:.3mm;text-transform:uppercase;color:var(--fa);line-height:4.5mm}
.pv-sec small{font-weight:400;letter-spacing:0;text-transform:none;color:var(--paper-muted);font-size:7.5pt}
.pv-lbl{font-size:7.8pt;font-weight:700;line-height:3.3mm}
.pv-lbl i{font-style:normal;color:var(--fa)}
.pv-lbl.tick{font-size:8pt}
.pv-box{border:.25mm solid var(--paper-line)}
.pv-box.ul{border:0;border-bottom:.25mm solid var(--paper-ink)}
.pv-comb{border:.25mm solid var(--paper-line)}
.pv-comb span{position:absolute;top:45%;bottom:0;border-left:.25mm solid var(--paper-line)}
.pv-comb span.gend{top:0;border-left:.5mm solid var(--paper-ink);margin-left:-.12mm}
.pv-slash{font-size:10pt;color:var(--paper-muted);display:grid;place-items:center}
.pv-hint{font-size:6pt;letter-spacing:.2mm;color:var(--paper-muted);white-space:nowrap}
.pv-mk{border:.25mm solid var(--paper-ink);background:#fff}
.pv-mk.rd{border-radius:50%}
.pv-chev{color:var(--paper-muted)}
.pv-opt{font-size:8.5pt;line-height:3.8mm;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pv-inline{display:flex;flex-wrap:wrap;gap:0 6mm;font-size:8.5pt;line-height:3.8mm}
.pv-inline span{display:flex;align-items:center;gap:1.8mm;white-space:nowrap}
.pv-inline b{position:static;width:3.2mm;height:3.2mm;display:inline-block}
.pv-ruleline{border-top:.15mm solid var(--paper-rule)}
.pv-sigx{font-size:9pt;color:var(--paper-line)}
.pv-sigline{border-top:.25mm dashed var(--paper-line)}
.pv-office{background:var(--paper-fill);border:.2mm solid #c9d0d8}
.pv-office-t{font-size:7pt;font-weight:700;letter-spacing:.35mm;text-transform:uppercase;color:var(--paper-muted)}
.pv-foot{border-top:.2mm solid #c9d0d8;display:flex;justify-content:space-between;gap:4mm;padding-top:1.2mm;font-size:7pt;color:var(--paper-muted)}
.pv-foot span:nth-child(2){flex:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}