/* Frame Invoice: same design language as Service Sheets.
   A toolbar band over a grey "desk"; the invoice is an A4 sheet you edit in place.
   Paper tokens never change with theme: the sheet is printed paper. */

/* Atkinson Hyperlegible (Braille Institute, SIL Open Font License): I/l/1, 0/O and B/8 can't be confused. */
@font-face{font-family:"Atkinson Hyperlegible";font-weight:400;font-style:normal;font-display:block;src:url(../fonts/AtkinsonHyperlegible-Regular.woff2) format("woff2")}
@font-face{font-family:"Atkinson Hyperlegible";font-weight:700;font-style:normal;font-display:block;src:url(../fonts/AtkinsonHyperlegible-Bold.woff2) format("woff2")}

:root{
  --desk:#e7e8ea; --chrome:#ffffff; --chrome-fg:#15171a; --muted:#5b6068; --line:#cdd0d5; --accent:#d52b1e;
  --shadow:rgba(20,22,26,.16);
  --paper:#ffffff; --ink:#111111; --ink-2:#3a3a3a; --hair:#8f8f8f; --zebra:#efefef; --edit:#fff4c2; --edit-hover:#f6f0d8; --red:#d52b1e;
  --font:"Atkinson Hyperlegible", Arial, "Liberation Sans", Helvetica, sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --desk:#15171a; --chrome:#1e2125; --chrome-fg:#eceef0; --muted:#9ba1a9; --line:#343840; --accent:#ff5d50;
  --shadow:rgba(0,0,0,.5); color-scheme:dark}}
:root[data-theme="dark"]{
  --desk:#15171a; --chrome:#1e2125; --chrome-fg:#eceef0; --muted:#9ba1a9; --line:#343840; --accent:#ff5d50;
  --shadow:rgba(0,0,0,.5); color-scheme:dark}

[hidden]{display:none!important}
body{margin:0;background:var(--desk);color:var(--chrome-fg);font-family:var(--font)}

/* Toolbar */
.bar{background:var(--chrome);border-bottom:1px solid var(--line)}
.bar-inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding-block:14px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.i{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em}
.brand{margin-right:auto;min-width:0}
.brand-row{display:flex;align-items:center;gap:8px}
.brand-row .i{width:24px;height:24px;color:var(--accent)}
.brand b{display:block;font-size:19px;letter-spacing:-.02em}
.brand span{font-size:12px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:.45em;font:inherit;font-size:14px;line-height:1.2;padding:8px 14px;border:1px solid var(--chrome-fg);
  background:transparent;color:var(--chrome-fg);border-radius:0;cursor:pointer}
.btn.primary{background:var(--chrome-fg);color:var(--chrome)}
.btn:hover{background:var(--line)} .btn.primary:hover{background:var(--muted);border-color:var(--muted)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn[aria-expanded="true"]{background:var(--chrome-fg);color:var(--chrome)}
.btn.sm{font-size:13px;padding:5px 10px}
.btn.danger{border-color:var(--accent);color:var(--accent)}
.status{flex-basis:100%;font-size:13px;color:var(--muted);min-height:1.2em}
.status.err{color:var(--accent)}

/* Segmented control (Invoice / Worksheet), same look as the Service Sheets toggles */
.seg{display:inline-flex}
.seg label{display:inline-flex;align-items:center;gap:.45em;padding:8px 14px;border:1px solid var(--chrome-fg);font-size:14px;line-height:1.2;cursor:pointer;user-select:none}
.seg label+label{border-left:0}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label:has(input:checked){background:var(--chrome-fg);color:var(--chrome)}
.seg label:hover:not(:has(input:checked)){background:var(--line)}
.seg label:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}

/* Settings panel */
.panel{background:var(--chrome);border-bottom:1px solid var(--line)}
.panel-inner{display:grid;gap:22px;padding-block:18px 22px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.panel-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px}
.panel h2{margin:0;font-size:17px;letter-spacing:-.01em;display:flex;align-items:center;gap:.45em}
.hint{margin:4px 0 0;font-size:13px;color:var(--muted);line-height:1.45;max-width:72ch}
.secs{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:22px 32px}
.panel-sec{display:grid;gap:10px;align-content:start;min-width:0}
.panel-sec h3{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.1em;display:flex;align-items:center;gap:.45em}
.panel-sec h3 .i{color:var(--muted)}
.panel-sec .hint{margin:0}
.form{display:grid;grid-template-columns:auto 1fr;gap:8px 12px;align-items:center}
.form label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.form input,.form textarea{font:inherit;font-size:14px;padding:6px 8px;border:1px solid var(--line);background:var(--desk);color:var(--chrome-fg);
  border-radius:0;min-width:0;width:100%;box-sizing:border-box}
.form textarea{resize:vertical;min-height:3.2em}
.form input:focus-visible,.form textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.form .num{max-width:9ch}
.form .unit{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.bands{display:grid;grid-template-columns:auto auto auto;gap:8px 10px;align-items:center;justify-content:start;font-size:13px;color:var(--muted)}
.bands input{font:inherit;font-size:14px;padding:6px 8px;width:8ch;border:1px solid var(--line);background:var(--desk);color:var(--chrome-fg);border-radius:0}
.bands input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.toggle{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid var(--chrome-fg);font-size:13px;cursor:pointer;user-select:none;justify-self:start}
.toggle input{margin:0;accent-color:var(--chrome-fg);width:15px;height:15px}
.toggle:has(input:not(:checked)){border-style:dashed;border-color:var(--muted);color:var(--muted)}
.toggle:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.reset{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px}

/* Desk + sheet */
.desk{padding-block:24px 56px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.scroll{overflow-x:auto;padding-bottom:8px}
.sheets{display:flex;flex-direction:column;align-items:center;gap:28px;width:max-content;min-width:100%}

.sheet{--fs:10.5pt;width:210mm;height:297mm;position:relative;overflow:hidden;background:var(--paper);color:var(--ink);
  font-size:var(--fs);box-shadow:0 1px 4px var(--shadow);-webkit-print-color-adjust:exact;print-color-adjust:exact}
.sheet-inner{position:absolute;inset:14mm 15mm;display:flex;flex-direction:column;gap:1.6em;overflow:hidden}
.sheet.long{height:auto;min-height:297mm}
.sheet.long .sheet-inner{position:relative;inset:auto;padding:14mm 15mm;overflow:visible;min-height:297mm;box-sizing:border-box}

.cap{font-size:.68em;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:1em;border-bottom:.28em solid var(--ink);padding-bottom:.55em}
.title{font-size:3.4em;font-weight:700;letter-spacing:-.035em;line-height:.88}
.sub{margin-top:.45em;color:var(--ink-2)}
.totals{display:flex;gap:1.8em;text-align:right}
.totals b{display:block;font-size:2.5em;line-height:.95;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.totals .cap{color:var(--ink-2)}

/* From / Bill to / details */
.parties{display:grid;grid-template-columns:1fr 1fr auto;gap:1.2em 2em}
.party{display:grid;gap:.15em;align-content:start;min-width:0}
.party .cap{color:var(--ink-2);margin-bottom:.25em}
.party .who{font-weight:700;font-size:1.15em}
.meta{display:grid;grid-template-columns:auto auto;gap:.2em 1em;align-content:start;font-variant-numeric:tabular-nums}
.meta .cap{color:var(--ink-2);align-self:center}
.meta span:nth-child(even){font-weight:700;text-align:right}
.job{display:grid;gap:.25em}
.job .cap{color:var(--ink-2)}

table{font:inherit;color:inherit;width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;table-layout:fixed}
th{text-align:left;font-size:.72em;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:0 .7em .45em 0;border-bottom:1px solid var(--ink)}
td{padding:.55em .7em .55em 0;vertical-align:top;border-bottom:1px solid var(--hair);line-height:1.3;overflow-wrap:anywhere}
th.r,td.r{text-align:right;padding-right:0;padding-left:.7em}
tr{break-inside:avoid}
tbody.frame tr:first-child td{border-top:.14em solid var(--ink)}
tbody.frame:first-of-type tr:first-child td{border-top:0}
.items tbody tr:nth-child(even) td{background:var(--zebra)}
.d-name{font-weight:700;font-size:1.08em}
.d-size{color:var(--ink-2);margin-top:.15em}
.money{white-space:nowrap}
.strong{font-weight:700}
/* Worksheet: one block per frame, its costs underneath */
.work td{border-bottom-color:var(--zebra)}
.work tr.frame-head td{padding-top:.8em;border-bottom:1px solid var(--hair)}
.work tr.sum td{border-bottom:0;font-weight:700}
.work .lbl{padding-left:1.4em;color:var(--ink-2)}
.work .auto{color:var(--ink-2);font-size:.85em;margin-left:.3em}

.sums{margin-left:auto;display:grid;grid-template-columns:auto auto;gap:.35em 0;min-width:45%;font-variant-numeric:tabular-nums}
.sums span:nth-child(odd){padding-right:2.4em}
.sums span:nth-child(odd){color:var(--ink-2)}
.sums span:nth-child(even){text-align:right}
.sums .grand{border-top:.14em solid var(--ink);padding-top:.4em;font-weight:700;font-size:1.35em;color:var(--ink)!important}

.notes{display:grid;gap:.25em;white-space:pre-wrap}
.notes .cap{color:var(--ink-2)}
.paid{position:absolute;top:20mm;right:16mm;transform:rotate(-8deg);border:.6mm solid var(--red);color:var(--red);font-weight:700;
  font-size:22pt;letter-spacing:.12em;padding:1.5mm 5mm;opacity:.85}

.foot{margin-top:auto;display:flex;justify-content:space-between;gap:1em;padding-top:.5em;border-top:1px solid var(--hair);font-size:.72em;color:var(--ink-2)}

/* Editing on the sheet: click any text to change it */
.ed{outline:none;cursor:text;-webkit-user-modify:read-write-plaintext-only;display:inline-block;min-width:1.5em}
.ed.block{display:block}
.ed:hover{background:var(--edit-hover)}
.ed:focus{background:var(--edit);box-shadow:0 0 0 .12em var(--ink)}
.ed:empty::before{content:attr(data-ph);color:var(--hair);font-weight:400;font-style:italic}
/* Screen-only controls on the sheet */
.tools{display:flex;flex-wrap:wrap;gap:8px;font-family:var(--font)}
.tools .btn{font-size:13px;padding:5px 10px;border-color:var(--ink);color:var(--ink);background:var(--paper)}
.tools .btn:hover{background:var(--zebra)}
.row-x{border:0;background:none;color:var(--hair);cursor:pointer;padding:.1em .2em;font:inherit;line-height:1}
.row-x:hover{color:var(--red)}
.row-x:focus-visible{outline:2px solid var(--accent)}
.row-x .i{width:1em;height:1em}
td.x{width:0;padding:.55em 0}
th.x{padding:0}

@media print{
  @page{size:A4 portrait;margin:0}
  body{background:#fff}
  .bar,.panel,.tools,.row-x,td.x,th.x{display:none!important}
  .ed{background:none!important;box-shadow:none!important}
  .ed:empty::before{content:none}
  .party.blank{visibility:hidden}
  .desk{padding:0}
  .scroll{overflow:visible;padding:0}
  .sheets{gap:0;width:auto;display:block}
  .sheet{box-shadow:none;break-after:page;margin:0}
  .sheet:last-child{break-after:auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}