:root{
  --bg:#f4f5f7;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--brand:#2563eb;--brand-d:#1d4ed8;
  --side:#0f172a;--side-t:#cbd5e1;--green:#15803d;--red:#b91c1c;--amber:#b45309;--radius:10px;
}
*{box-sizing:border-box}
html{font-size:15px}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.45}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .6rem;line-height:1.2}h1{font-size:1.45rem}h2{font-size:1.1rem}h3{font-size:1rem}
code{background:#eef2ff;padding:2px 6px;border-radius:4px;font-size:.85em;word-break:break-all}
.muted{color:var(--muted)}.center{text-align:center}.r{text-align:right}.red{color:var(--red)}.green{color:var(--green)}
small{font-size:.82em}

/* Layout */
.shell{display:flex;min-height:100vh}
.side{width:240px;background:var(--side);color:var(--side-t);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;padding:18px 18px 8px;font-size:1.05rem}
.brand:hover{text-decoration:none}
.logo{width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
.tenant-name{padding:0 18px 12px;font-size:.85rem;color:#94a3b8;border-bottom:1px solid #1e293b}
.side nav{display:flex;flex-direction:column;padding:8px}
.side nav a{color:var(--side-t);padding:8px 10px;border-radius:8px;display:flex;align-items:center;gap:10px;font-size:.93rem}
.side nav a:hover{background:#1e293b;text-decoration:none;color:#fff}
.side nav a.on{background:var(--brand);color:#fff}
.side svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.nav-h{padding:14px 18px 2px;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:#64748b}
.side-foot{margin-top:auto;padding:14px 18px;border-top:1px solid #1e293b;font-size:.85rem}
.side-foot a{color:#93c5fd}
.main{flex:1;min-width:0}
.top{display:flex;align-items:center;gap:12px;padding:18px 28px 6px}
.top h1{margin:0}
.menu{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:1.2rem;padding:4px 10px;cursor:pointer}
.content{padding:12px 28px 40px;max-width:1300px}
.banner{background:#eff6ff;color:#1e40af;padding:8px 28px;font-size:.9rem}

/* Komponenten */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px}
.card-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.card-h h2{margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:8px;padding:8px 14px;font:inherit;font-size:.92rem;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--brand-d);text-decoration:none}
.btn.ghost{background:#fff;color:var(--text);border-color:var(--line)}.btn.ghost:hover{background:#f9fafb}
.btn.danger,.link.danger{color:var(--red)}
.btn.small{padding:5px 10px;font-size:.84rem}.btn.big{padding:13px 24px;font-size:1.05rem}.btn.block{width:100%}
.link{background:none;border:0;cursor:pointer;font:inherit;padding:0 4px;color:var(--brand)}
.btn-stack{display:flex;flex-direction:column;gap:8px}.btn-stack form{margin:0}
.btn-row{display:flex;gap:8px}.btn-row .btn{flex:1}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}.toolbar form{margin:0;display:flex;gap:8px}
.search input{min-width:240px}
.tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}
.tabs a{padding:6px 12px;border-radius:999px;color:var(--muted);font-size:.9rem}.tabs a.on{background:#e0e7ff;color:#3730a3}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.76rem;font-weight:600;background:#f3f4f6;color:#374151}
.badge.green{background:#dcfce7;color:#166534}.badge.red{background:#fee2e2;color:#991b1b}.badge.blue{background:#dbeafe;color:#1e40af}.badge.amber{background:#fef3c7;color:#92400e}
.flash{padding:10px 14px;border-radius:8px;margin:10px 28px 0;font-size:.93rem}
.content .flash{margin:0 0 14px}
.flash.ok{background:#dcfce7;color:#14532d}.flash.err{background:#fee2e2;color:#7f1d1d}.flash.warn{background:#fef3c7;color:#78350f}
.flash.pub{max-width:980px;margin:12px auto}

.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;padding:8px;border-bottom:1px solid var(--line)}
.tbl td{padding:9px 8px;border-bottom:1px solid #f1f5f9;vertical-align:top}
.tbl tr:last-child td{border-bottom:0}.tbl td:first-child a{white-space:nowrap}.tbl th.r,.tbl td.r{text-align:right}
.tbl tr.tot td{font-weight:700;border-top:2px solid var(--text)}.tbl tr.sub td{font-weight:600;background:#f9fafb}
.tbl form{margin:0}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;flex-direction:column;gap:2px}
.kpi span{color:var(--muted);font-size:.82rem}.kpi b{font-size:1.35rem}.kpi small{color:var(--muted)}
.kpi.red b{color:var(--red)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid2>*{min-width:0}
.grid2.wide-left{grid-template-columns:2fr 1fr}

/* Formulare */
label{display:block;font-size:.85rem;color:#374151;font-weight:500;margin-bottom:10px}
input,select,textarea{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;font:inherit;font-size:.93rem;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--brand)}
input[type=checkbox]{display:inline;width:auto;margin:0 6px 0 0}
input[type=file]{padding:6px}
label.check{display:flex;align-items:center;font-weight:400}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>label{flex:1;min-width:140px}.row>.w1{flex:.5;min-width:90px}.row>.w2{flex:2}
.form .actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.form h2{margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}.form h2:first-of-type{border-top:0;padding-top:0;margin-top:0}
.narrow{max-width:520px}
.inline-form{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.inline-form input,.inline-form select{width:auto;flex:1;margin:0;min-width:110px}
.inline-form label.check{margin:0}.inline-form.tight input{max-width:140px}
fieldset.level{border:1px solid var(--line);border-radius:8px;margin:0 0 12px;padding:10px 14px}
fieldset.level legend{font-weight:600;padding:0 6px}
.hp{position:absolute;left:-9999px}
.items{width:100%;border-collapse:collapse;margin:8px 0}
.items th{font-size:.8rem;color:var(--muted);text-align:left;padding:4px}
.items td{padding:3px;vertical-align:top}.items input,.items select,.items textarea{margin:0}
.items textarea{resize:vertical;min-height:38px}
.items .line-total{padding-top:12px;white-space:nowrap}
.items-foot{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.items-foot .sum{font-size:1.1rem}
.timeline{list-style:none;padding:0;margin:10px 0 0}.timeline li{border-left:3px solid #e0e7ff;padding:4px 10px;margin-bottom:8px;font-size:.9rem}
.bar{height:5px;background:#f1f5f9;border-radius:3px;margin-top:4px}.bar i{display:block;height:100%;background:var(--brand);border-radius:3px}

/* Beleg-Ansicht */
.doc-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}
.doc-preview{overflow-x:auto}
.doc-preview .paper{box-shadow:0 1px 4px rgba(0,0,0,.08);margin:0 auto 16px}
.paper{background:#fff;width:210mm;min-height:120mm;padding:18mm 18mm 14mm 22mm;font-family:Arial,Helvetica,sans-serif;font-size:10pt;color:#000;position:relative}
.doc-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12mm}
.doc-logo{max-height:22mm;max-width:70mm}.doc-logo-text{font-size:16pt;font-weight:700}
.doc-sender{text-align:right;font-size:8.5pt;line-height:1.4;color:#333}
.doc-addr{min-height:26mm;margin-bottom:8mm;line-height:1.4}
.doc-meta{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:6mm;gap:10mm}
.doc-meta h2{font-size:15pt;margin:0}.doc-meta table td{padding:1px 0 1px 8mm;font-size:9pt}
.doc-title{font-size:11pt;margin:3mm 0}.doc-intro{margin:0 0 5mm}
.doc-items{width:100%;border-collapse:collapse;margin-bottom:4mm}
.doc-items th{border-bottom:1px solid #000;text-align:left;font-size:8.5pt;padding:2mm 1.5mm}
.doc-items td{border-bottom:1px solid #ddd;padding:2mm 1.5mm;vertical-align:top}
.doc-items .r{text-align:right;white-space:nowrap}
.doc-sum{margin-left:auto;border-collapse:collapse;min-width:80mm}
.doc-sum td{padding:1.2mm 1.5mm}.doc-sum td:last-child{text-align:right;white-space:nowrap}
.doc-sum tr.tot td{font-weight:700;border-top:1px solid #000}
.doc-foot{margin-top:8mm;font-size:9pt;color:#333}
.paid-stamp{display:inline-block;border:2px solid var(--green);color:var(--green);padding:2mm 4mm;font-weight:700;transform:rotate(-4deg);margin-top:6mm}
.noqr{padding:10mm;color:var(--red);font-family:Arial}

/* Swiss QR-Zahlteil (SIX-Vorgaben) */
.slip-page{padding:0;min-height:0;display:flex;flex-direction:column;justify-content:flex-end;height:105mm}
.qr-slip{width:210mm;height:105mm;display:flex;border-top:1px dashed #000;font-family:Arial,Helvetica,sans-serif;color:#000;position:relative;background:#fff}
.qr-slip:before{content:"✂";position:absolute;top:-3.2mm;left:8mm;font-size:9pt;background:#fff}
.qr-slip h3{font-size:11pt;font-weight:700;margin:0 0 5mm}
.qr-slip h4{margin:0;font-weight:700}
.qr-slip p{margin:0 0 2.5mm;line-height:1.25}
.qr-receipt{width:62mm;padding:5mm;border-right:1px dashed #000;display:flex;flex-direction:column}
.qr-receipt h4{font-size:6pt}.qr-receipt p{font-size:8pt}
.qr-rinfo{height:56mm;overflow:hidden}
.qr-ramount{display:flex;gap:6mm;height:14mm}.qr-ramount h4{font-size:6pt}.qr-ramount p{font-size:8pt}
.qr-accept{text-align:right;font-size:6pt;font-weight:700}
.qr-pay{width:148mm;padding:5mm;display:flex}
.qr-left{width:56mm;display:flex;flex-direction:column}
.qr-code{width:46mm;height:46mm;margin:0 0 5mm}.qr-code svg{display:block}
.qr-pamount{display:flex;gap:6mm}.qr-pamount h4{font-size:8pt}.qr-pamount p{font-size:10pt}
.qr-pinfo{flex:1;overflow:hidden}.qr-pinfo h4{font-size:8pt}.qr-pinfo p{font-size:10pt}
.qr-box{border:0 solid #000;position:relative;margin-top:1mm;
  background:linear-gradient(#000,#000) top left/3mm .75pt no-repeat,linear-gradient(#000,#000) top left/.75pt 2mm no-repeat,
  linear-gradient(#000,#000) top right/3mm .75pt no-repeat,linear-gradient(#000,#000) top right/.75pt 2mm no-repeat,
  linear-gradient(#000,#000) bottom left/3mm .75pt no-repeat,linear-gradient(#000,#000) bottom left/.75pt 2mm no-repeat,
  linear-gradient(#000,#000) bottom right/3mm .75pt no-repeat,linear-gradient(#000,#000) bottom right/.75pt 2mm no-repeat}

/* Druckansicht */
.print-body{background:#e5e7eb}
.print-body .paper{margin:16px auto;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.print-bar{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.print-bar form{display:inline}
@page{size:A4;margin:0}
@media print{
  body,.print-body{background:#fff}
  .no-print,.side,.top,.doc-side,.flash,.banner,.toolbar{display:none!important}
  .content{padding:0}.doc-layout{display:block}
  .paper,.print-body .paper,.doc-preview .paper{margin:0;box-shadow:none;width:210mm;height:297mm;page-break-after:always;overflow:hidden}
  .slip-page{height:297mm!important}
  .paper:last-child{page-break-after:auto}
  .card{border:0;padding:0}
}

/* Öffentliche Seiten */
.public{background:#fff}
.pub-top{display:flex;justify-content:space-between;align-items:center;padding:14px 28px;border-bottom:1px solid var(--line)}
.pub-top .brand{color:var(--text);padding:0}
.pub-top nav{display:flex;gap:18px;align-items:center}
.hero{text-align:center;padding:80px 20px 50px;background:linear-gradient(180deg,#eff6ff,#fff)}
.hero h1{font-size:2.4rem;max-width:760px;margin:0 auto 14px}.hero p{font-size:1.15rem;color:var(--muted);max-width:640px;margin:0 auto 26px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:1100px;margin:0 auto;padding:30px 20px}
.feature{border:1px solid var(--line);border-radius:var(--radius);padding:18px}.feature p{color:var(--muted);margin:0}
.pricing{max-width:1100px;margin:0 auto;padding:30px 20px 60px;text-align:center}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:20px;text-align:left}
.plan{border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:8px}
.plan .price{font-size:1.8rem;font-weight:800}.plan .price small{font-size:.9rem;color:var(--muted);font-weight:400}
.plan-desc{flex:1;color:#374151;font-size:.93rem}
.plans.compact{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:0 0 12px}
.plan-choice{display:flex;gap:10px;border:1px solid var(--line);border-radius:10px;padding:12px;font-weight:400;cursor:pointer}
.plan-choice input{width:auto;margin-top:3px}
.auth{max-width:440px;margin:40px auto}
.pub-foot{text-align:center;color:var(--muted);padding:30px;font-size:.88rem;border-top:1px solid var(--line)}
section.narrow{margin:30px auto}

@media (max-width:1000px){
  .doc-layout{grid-template-columns:1fr}
  .grid2,.grid2.wide-left{grid-template-columns:1fr}
}
@media (max-width:800px){
  .side{position:fixed;left:-260px;z-index:20;transition:left .2s}.side.open{left:0}
  .menu{display:block}.top{padding:14px 16px 4px}.content{padding:10px 16px 30px}.flash{margin:10px 16px 0}
  .search input{min-width:0}.hero h1{font-size:1.8rem}
  .pub-top{padding:12px 16px}.pub-top nav{gap:10px;font-size:.9rem}
  .tbl{display:block;overflow-x:auto}
  .items thead{display:none}.items tr{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;border-bottom:1px solid var(--line);padding:6px 0}
  .items td:first-child{grid-column:1/-1}
}