@font-face{font-family:Manrope;src:url(/fonts/Manrope-Regular.ttf) format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:Manrope;src:url(/fonts/Manrope-SemiBold.ttf) format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:Manrope;src:url(/fonts/Manrope-Bold.ttf) format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:Manrope;src:url(/fonts/Manrope-ExtraBold.ttf) format("truetype");font-weight:800;font-display:swap}
:root{--bg:#f4f6fa;--card:#fff;--ink:#14181f;--muted:#5b6474;--line:#e2e6ee;--field:#f8f9fc;--brand:#1f5eff;--brand-ink:#fff;--ok:#0f7a43;--ok-bg:#e8f7ef;--bad:#c62828;--bad-bg:#fdecec;--warn:#9a6700;--radius:16px;--shadow:0 1px 2px rgba(16,24,40,.05),0 10px 30px rgba(16,24,40,.07)}
@media (prefers-color-scheme:dark){:root{--bg:#0d1015;--card:#151a21;--ink:#e8ecf2;--muted:#9aa4b2;--line:#28303b;--field:#10141a;--ok:#4ade80;--ok-bg:#12291d;--bad:#f87171;--bad-bg:#2c1414;--warn:#facc15}}
*{box-sizing:border-box}
/* Gemeinsamer Rechnungs-Baustein. Seiten passen ihn über die CSS-Variablen an (--brand, --card, --ink, --line, --field, --radius, --tool-font …). */
.er-tool{font-family:var(--tool-font,Manrope,system-ui,sans-serif);color:var(--ink);max-width:1320px;margin:0 auto;padding:0 16px}
.er-tool #tab-view,.er-tool #tab-check{max-width:1040px;margin:0 auto}
.er-tool details{border-top:0}
a{color:var(--brand)}
.tabs{display:flex;gap:6px;justify-content:center;margin:20px auto 16px;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:10px 18px;border-radius:999px;font:inherit;font-weight:700;cursor:pointer}
.tabs button[aria-selected=true]{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:18px}
.card h2{margin:0 0 4px;font-size:21px;letter-spacing:-.01em}
.card .sub{color:var(--muted);margin:0 0 16px;font-size:15px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.f.full{grid-column:1/-1}
.zipcity{display:grid;grid-template-columns:100px 1fr;gap:8px}
label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:5px}
input,select,textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--field);border:1px solid var(--line);border-radius:11px;padding:10px 12px;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
select:disabled{opacity:.6}
.req::after{content:" *";color:var(--bad)}
.f.err input,.f.err select{border-color:var(--bad);background:var(--bad-bg)}
.ferr{color:var(--bad);font-size:13px;font-weight:600;margin-top:4px}
fieldset{border:0;padding:0;margin:0;min-width:0}
legend{font-weight:800;font-size:21px;letter-spacing:-.01em;margin-bottom:4px;padding:0}
.hint{color:var(--muted);font-size:14px;margin:0 0 14px}
.check{display:flex;align-items:center;gap:9px;font-weight:600;color:var(--ink);font-size:15px;margin-top:14px;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--brand)}
.check.big{background:var(--field);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:6px 0 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:12px 20px;font:inherit;font-weight:800;cursor:pointer;background:var(--brand);color:var(--brand-ink);text-decoration:none;transition:filter .15s,transform .05s}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn.small{padding:8px 14px;font-size:14px}
.btn.big{padding:15px 24px;font-size:17px}
.btn:disabled{opacity:.6;cursor:wait}
.linkbtn{background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit;font-size:14px}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:14px 0 8px}

/* Studio: Assistent + Vorschau */
.studio{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,560px);gap:22px;align-items:start}
.wizard{padding:22px 24px 18px}
.steps-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;list-style:none;padding:0;margin:0 0 22px;counter-reset:s}
.steps-nav li{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--muted);padding:0 0 10px;border-bottom:3px solid var(--line);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.steps-nav li span{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;background:var(--field);border:1px solid var(--line)}
.steps-nav li.active{color:var(--ink);border-color:var(--brand)}
.steps-nav li.active span{background:var(--brand);border-color:var(--brand);color:#fff}
.steps-nav li.done{color:var(--ink);border-color:color-mix(in srgb,var(--brand) 45%,var(--line))}
.steps-nav li.done span{background:color-mix(in srgb,var(--brand) 15%,var(--card));color:var(--brand);border-color:transparent;font-size:0}
.steps-nav li.done span::after{content:"✓";font-size:13px}
.step legend+.hint,.step legend+.grid{margin-top:8px}
.step legend+.grid{margin-top:14px}
.wizard-nav{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);margin-top:22px;padding-top:16px}
.stepinfo{color:var(--muted);font-size:14px;font-weight:600}
.brandbox{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px;padding:14px;border:1px dashed var(--line);border-radius:12px}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.swatches button{width:30px;height:30px;border-radius:50%;border:2px solid var(--card);box-shadow:0 0 0 1px var(--line);cursor:pointer}
.swatches button.on{box-shadow:0 0 0 2px var(--ink)}
details.more{margin-top:16px;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
details.more summary{cursor:pointer;font-weight:700;font-size:14.5px}
details.more .grid{margin-top:12px}
.presets{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0 4px}
.presets .hint{margin:0}
.presets button{border:1px solid var(--line);background:var(--field);color:var(--ink);border-radius:999px;padding:6px 12px;font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.presets button:hover{border-color:var(--brand)}
.lines{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.line{position:relative;display:grid;grid-template-columns:76px minmax(0,1.1fr) minmax(0,1fr) 84px minmax(90px,auto);gap:8px 10px;align-items:end;background:var(--field);border:1px solid var(--line);border-radius:14px;padding:12px 40px 12px 12px}
.line input,.line select{background:var(--card);padding:9px 10px}
.line .lname,.line .ldesc{grid-column:1/-1}
.line .ldesc input{font-size:14px;padding:7px 10px}
.ltotal{text-align:right}
.ltotal b{display:block;padding:9px 0;white-space:nowrap}
.del{position:absolute;top:6px;right:6px;border:0;background:none;color:var(--muted);font-size:22px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:8px}
.del:hover{background:var(--bad-bg);color:var(--bad)}
#addLine{margin-top:10px}
.totals{margin-left:auto;max-width:300px;margin-top:14px;font-size:15px}
.totals div{display:flex;justify-content:space-between;padding:3px 0}
.totals .grand{font-weight:800;font-size:19px;border-top:2px solid var(--brand);margin-top:6px;padding-top:8px}
.checklist{list-style:none;padding:0;margin:18px 0 4px;display:grid;gap:6px}
.checklist li{font-size:14.5px;font-weight:600}
.checklist li.ok{color:var(--ok)}
.checklist li.warn{color:var(--warn)}

.preview-col{position:sticky;top:var(--sticky-top,76px)}
.preview-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:2px 4px 10px}
.preview-head .hint{margin:0}
.paper-wrap{overflow:hidden;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,.08),0 18px 40px rgba(16,24,40,.12)}
.paper{width:210mm;transform-origin:0 0;background:#fff;color:#14181f}
.preview-fab{display:none}

/* A4-Vorschau (entspricht engine/fo.js) */
.pg{position:relative;width:210mm;min-height:297mm;padding:12mm 16mm 34mm 20mm;font:9.5pt/1.45 Manrope,sans-serif;color:#14181f}
.pg .ph{color:#b3bac6;font-style:italic;font-weight:400}
.phead{display:flex;justify-content:space-between;align-items:flex-start;margin-top:6mm;min-height:25mm}
.plogo{max-height:18mm;max-width:60mm;object-fit:contain}
.pname{font-size:17pt;font-weight:800}
.psender{text-align:right;font-size:8.5pt;color:#3c4350;line-height:1.45}
.psender b{color:#14181f}
.paddr{position:absolute;top:57mm;left:20mm;width:85mm}
.pret{font-size:6.5pt;color:#6b7280;border-bottom:.3pt solid #c9ced8;padding-bottom:.8mm;margin-bottom:2.5mm;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pto{font-size:10pt;line-height:1.4}
.pinfo{position:absolute;top:57mm;left:125mm;width:69mm;font-size:8.5pt;border-collapse:collapse}
.pinfo td{padding:0 0 1.2mm}
.pinfo td:first-child{color:#6b7280}
.pinfo td:last-child{text-align:right;font-weight:600}
.ptitle{margin:73mm 0 0;font-size:20pt;font-weight:800;letter-spacing:-.3pt;line-height:1.2}
.ptitle span{color:var(--acc)}
.pintro{margin:2mm 0 5mm;color:#3c4350}
.plines{width:100%;border-collapse:collapse;table-layout:fixed}
.plines th{background:var(--acc);color:#fff;font-size:7.5pt;text-align:left;padding:2mm 1.5mm}
.plines th:nth-child(1){width:7%}.plines th:nth-child(2){width:39%}.plines th:nth-child(3){width:14%}.plines th:nth-child(4){width:15%}.plines th:nth-child(5){width:9%}.plines th:nth-child(6){width:16%}
.plines td{padding:1.8mm 1.5mm;vertical-align:top;word-wrap:break-word}
.plines tr.z td{background:#f7f8fa}
.plines .desc{font-size:8pt;color:#6b7280;margin-top:.6mm}
.pg .r{text-align:right}
.pg .mut{color:#6b7280}
.psum{width:48%;margin:4mm 0 0 auto;border-collapse:collapse}
.psum td{padding:1mm 0}
.psum tr.g td{font-size:12pt;font-weight:800;border-top:.8pt solid var(--acc);padding-top:2.5mm}
.pnotes{margin-top:7mm}
.pnotes p{margin:0 0 1mm}
.pnotes .pe{margin-top:6mm;font-size:7pt;color:#9aa3b2}
.pfoot{position:absolute;left:20mm;right:16mm;bottom:14mm;display:grid;grid-template-columns:32% 32% 36%;font-size:7pt;color:#5b6474;line-height:1.45;border-top:.3pt solid #d9dde5;padding-top:2.5mm}
.pcredit{position:absolute;right:16mm;bottom:9mm;font-size:7pt;color:#9aa3b2}

/* Meldungen */
.msg{border-radius:12px;padding:12px 14px;margin-top:14px;font-size:15px}
.msg.ok{background:var(--ok-bg);color:var(--ok)}
.msg.bad{background:var(--bad-bg);color:var(--bad)}
.msg ul{margin:6px 0 0;padding-left:20px}
.msg .after{margin-top:10px}
.spin{display:inline-block;width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;z-index:50;max-width:calc(100% - 32px)}
.drop{border:2px dashed var(--line);border-radius:var(--radius);padding:40px 16px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 6%,transparent)}
.drop strong{display:block;font-size:18px;margin-bottom:4px}
.drop span{color:var(--muted);font-size:14px}
iframe.view{width:100%;height:75vh;border:1px solid var(--line);border-radius:10px;background:#fff;margin-top:14px}
.small{font-size:13px;color:var(--muted)}
.hide{display:none!important}

@media (max-width:1100px){.studio{grid-template-columns:minmax(0,1fr) minmax(0,440px)}}
@media (max-width:980px){
  .studio{grid-template-columns:1fr}
  .preview-col{display:none;position:fixed;inset:0;z-index:40;background:var(--bg);padding:16px;overflow:auto}
  body.show-preview .preview-col{display:block}
  body.show-preview{overflow:hidden}
  body:not(.tool-visible):not(.show-preview) .preview-fab{display:none!important}
  .preview-fab{display:block;position:fixed;right:16px;bottom:16px;z-index:45;border:0;border-radius:999px;padding:12px 18px;font:inherit;font-weight:800;background:var(--ink);color:var(--bg);box-shadow:var(--shadow)}
}
@media (max-width:640px){
  .card,.wizard{padding:18px 16px}
  .grid,.grid.four{grid-template-columns:1fr}
  .brandbox{grid-template-columns:1fr}
  .steps-nav li{font-size:0;justify-content:center}
  .steps-nav li span{font-size:12px}
  .steps-nav li.active{font-size:12px}
  .line{grid-template-columns:1fr 1fr;padding-right:12px;padding-top:34px}
  .ltotal{grid-column:auto;text-align:left}
  .wizard-nav .btn{padding:12px 16px}
  .stepinfo{display:none}
  .grid.four{grid-template-columns:1fr 1fr}
  .grid.four .f:first-child{grid-column:1/-1}
  .steps-nav li.active{font-size:11.5px;overflow:visible}
}