:root{--bg:#f5f6f8;--fg:#1c2330;--muted:#6b7385;--line:#e1e4ea;--card:#fff;--brand:#2563eb;--ok:#15803d;--bad:#b91c1c}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--fg)}
.topbar nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.topbar nav a.on{font-weight:600;border-bottom:2px solid var(--brand)}
.wrap{max-width:1100px;margin:0 auto;padding:20px 16px 60px}
h1{font-size:24px;margin:8px 0 16px}h2{font-size:18px;margin:24px 0 8px}h3{font-size:14px;margin:0 0 6px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.btn,button.btn{display:inline-block;background:var(--brand);color:#fff;border:1px solid var(--brand);padding:7px 14px;border-radius:6px;cursor:pointer;font:inherit}
.btn:hover{text-decoration:none;opacity:.9}
.btn.ghost{background:transparent;color:var(--brand)}
button.link{background:none;border:0;color:var(--brand);cursor:pointer;font:inherit;padding:0}
.danger{color:var(--bad)!important}
.muted{color:var(--muted);font-size:13px}
.r{text-align:right}.pos{color:var(--ok)}.neg{color:var(--bad)}
.banner{background:#fff7e0;border:1px solid #f0d98a;padding:10px 14px;border-radius:6px;margin-bottom:14px}
.banner small{display:block;color:var(--muted)}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:12px}
.flash.ok{background:#e7f6ec;border:1px solid #b6e2c4}.flash.err{background:#fdeaea;border:1px solid #f1b8b8}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px 14px}
.card span{display:block;color:var(--muted);font-size:13px}.card b{font-size:20px}.card small{display:block;color:var(--muted)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px}
.tablewrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:8px}
table{width:100%;border-collapse:collapse}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fafbfc}
th.r,td.r{text-align:right}
.actions{white-space:nowrap}.actions form{display:inline;margin-left:8px}.actions a{margin-left:8px}
label{display:block;font-size:13px;color:var(--muted)}
input,select,textarea{display:block;width:100%;margin-top:3px;padding:7px 9px;border:1px solid #cbd1dc;border-radius:6px;font:inherit;color:var(--fg);background:#fff}
td input,td select{margin:0;min-width:80px}
#items td:nth-child(2) input{min-width:180px}
.stack{display:grid;gap:10px}
.grid2{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;align-items:start}
.row3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.totals div,.summary div{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px dashed var(--line)}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px}
.toolbar span{display:flex;gap:10px;align-items:center}
.sheet{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:28px}
.sheet h1{margin:0 0 4px;letter-spacing:.06em}
.inv-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:2px solid var(--fg);padding-bottom:14px;margin-bottom:16px}
.billto{margin-bottom:16px}
tfoot td{font-weight:600;background:#fafbfc}tfoot .grand td{font-size:16px;border-top:2px solid var(--fg)}
.internal{margin-top:28px;padding-top:16px;border-top:1px dashed var(--muted)}
.summary{max-width:420px;margin:12px 0 0 auto}
.notes{margin-top:14px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}.sheet{padding:16px}}

/* Print: clean A4 output, no chrome */
@page{size:A4;margin:14mm}
@media print{
  body{background:#fff;font-size:12px}
  .no-print{display:none!important}
  .wrap{max-width:none;padding:0}
  .sheet{border:0;padding:0}
  .tablewrap{border:0;overflow:visible}
  th,tfoot td{background:#fff!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  tr,.billto,.summary{page-break-inside:avoid}
  a{color:inherit}
  body.client-copy .internal{display:none}
  .internal{page-break-before:auto}
}

/* auth, uploads, misc */
.inline{display:inline;margin:0}
.login{max-width:380px;margin:40px auto}
.narrow{max-width:460px}
label.check{display:flex;gap:8px;align-items:center;color:var(--fg)}
label.check input{width:auto;margin:0}
.upload{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.upload input[type=file]{width:auto;flex:1;min-width:220px}
.tag{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;background:#eef0f4}
.okt{background:#e7f6ec;color:var(--ok)}.badt{background:#fdeaea;color:var(--bad)}.warnt{background:#fff3d6;color:#8a5a00}
.grid2.flip{grid-template-columns:1fr 1fr}
.preview iframe,.preview img{width:100%;min-height:520px;border:0;object-fit:contain}
details pre{white-space:pre-wrap;max-height:260px;overflow:auto;background:#fafbfc;padding:8px;border:1px solid var(--line);font-size:12px}
.emailbox{margin-bottom:14px}
table.mini{margin-top:10px;font-size:13px}
button:disabled{opacity:.5;cursor:not-allowed}
code{background:#eef0f4;padding:0 4px;border-radius:3px}
@media(max-width:760px){.grid2.flip{grid-template-columns:1fr}}