:root{
  --bg:#F6F3EC; --paper:#FFFFFF; --ink:#0B1B2B; --ink-soft:#3B4A5A;
  --muted:#7A8595; --line:#E4DFD2; --line-soft:#EFEBDF;
  --accent:#003580; --accent-soft:#E6ECF4; --warn:#A14B1E; --ok:#1F6B3E;
  --amber:#9A6A2A; --amber-soft:#F4E4C8;
  --radius:6px;
  --shadow:0 1px 0 rgba(11,27,43,.04), 0 8px 30px -12px rgba(11,27,43,.10);
  --topbar-h:52px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Fraunces',serif;font-weight:500;letter-spacing:-0.01em;margin:0}
.mono{font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}

/* Topbar */
.topbar{position:sticky;top:0;height:var(--topbar-h);background:var(--ink);color:#F4E9D8;display:flex;align-items:center;justify-content:space-between;padding:0 22px;z-index:50;border-bottom:1px solid #1F2D3D}
.topbar .left{display:flex;align-items:baseline;gap:18px}
.topbar .mark{font-family:'Fraunces',serif;font-weight:600;font-size:18px;color:#fff}
.tabs{display:flex;gap:2px}
.tabs button{background:transparent;border:none;color:#A8B3C2;font-family:inherit;font-size:12.5px;padding:6px 14px;cursor:pointer;border-radius:4px;letter-spacing:0.02em}
.tabs button:hover{color:#fff;background:rgba(255,255,255,0.05)}
.tabs button.on{color:#fff;background:rgba(255,255,255,0.12)}
.topbar .right{display:flex;align-items:center;gap:14px;font-size:12.5px}
.user-info{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:#A8B3C2}
.user-info .role{display:inline-block;padding:1px 6px;border-radius:3px;background:rgba(255,255,255,0.1);font-size:9.5px;letter-spacing:0.12em;text-transform:uppercase;margin-left:6px}
.user-info .role.admin{background:#9A6A2A;color:#fff}
.topbar .right button{background:transparent;border:1px solid #2C3D4F;color:#D8C19E;padding:5px 12px;border-radius:4px;font-family:inherit;font-size:11.5px;cursor:pointer}
.topbar .right button:hover{background:#1F2D3D;border-color:#3D4E60}

/* Layout shells */
.view{display:none}
.view.on{display:block}
.app{display:grid;grid-template-columns:minmax(360px,460px) 1fr;min-height:calc(100vh - var(--topbar-h))}
@media (max-width:980px){ .app{grid-template-columns:1fr} }
.panel{background:var(--bg);border-right:1px solid var(--line);padding:24px 26px 80px;overflow-y:auto;max-height:calc(100vh - var(--topbar-h));position:sticky;top:var(--topbar-h)}
@media (max-width:980px){ .panel{position:static;max-height:none} }
.panel-intro{font-size:12.5px;color:var(--ink-soft);margin:0 0 18px;padding-bottom:14px;border-bottom:1px solid var(--line)}

details.section{border-bottom:1px solid var(--line);padding:12px 0}
details.section[open]{padding-bottom:18px}
details.section > summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-family:'Fraunces',serif;font-size:17px;font-weight:500;letter-spacing:-0.01em}
details.section > summary::-webkit-details-marker{display:none}
details.section > summary::after{content:"+";font-family:'IBM Plex Mono',monospace;color:var(--muted)}
details.section[open] > summary::after{content:"–"}
.section-sub{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.section-body{margin-top:14px;display:grid;gap:10px}

label{display:block;font-size:11px;font-family:'IBM Plex Mono',monospace;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=number],input[type=date],input[type=email],input[type=tel],input[type=password],textarea,select{
  width:100%;padding:9px 11px;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);
  font-family:inherit;font-size:13.5px;color:var(--ink);transition:border-color .15s, box-shadow .15s;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{min-height:64px;resize:vertical;font-family:inherit}
.row{display:grid;gap:10px}
.row.cols-2{grid-template-columns:1fr 1fr}
.hint{font-size:11px;color:var(--muted);margin-top:-2px}

/* Logo upload */
.logo-upload{background:var(--paper);border:1px dashed #B4B2A9;border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;align-items:center;gap:8px}
.logo-upload.has-logo{border-style:solid;border-color:var(--line)}
.logo-preview-img{max-width:120px;max-height:80px;object-fit:contain;border-radius:3px}
.logo-placeholder{width:80px;height:60px;background:var(--line-soft);border-radius:3px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.1em;text-transform:uppercase}
.logo-actions{display:flex;gap:6px}
.logo-actions button{background:transparent;border:1px solid var(--line);padding:4px 9px;border-radius:3px;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.08em;text-transform:uppercase;cursor:pointer;color:var(--ink-soft)}
.logo-actions button:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.logo-actions button.danger:hover{background:var(--warn);border-color:var(--warn)}
.logo-hint{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted)}

/* Lines */
.lines{display:grid;gap:14px}
.line{border:1px solid var(--line);border-radius:var(--radius);padding:12px;background:var(--paper)}
.line .line-head{display:flex;justify-content:space-between;align-items:center;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.line .grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr 1fr;gap:8px}
.line .desc{grid-column:1 / -1}
.line textarea{min-height:52px;font-size:13px}
.line button.remove{background:none;border:none;color:var(--muted);cursor:pointer;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em}
.line button.remove:hover{color:var(--warn)}

/* Lists */
.data-list{display:grid;gap:2px;max-height:260px;overflow-y:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:4px}
.data-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:8px 10px;border-radius:4px;align-items:center}
.data-row:hover{background:var(--accent-soft)}
.data-row .info .name{font-weight:500;font-size:13px;color:var(--ink);line-height:1.25}
.data-row .info .meta{font-size:10.5px;color:var(--muted);font-family:'IBM Plex Mono',monospace;margin-top:2px}
.data-row .acts{display:flex;gap:4px}
.data-row .acts button{background:transparent;border:1px solid var(--line);border-radius:4px;padding:4px 9px;font-size:10.5px;font-family:'IBM Plex Mono',monospace;cursor:pointer;color:var(--ink-soft);letter-spacing:0.08em;text-transform:uppercase}
.data-row .acts button:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.data-row .acts button.del{padding:4px 7px}
.data-row .acts button.del:hover{background:var(--warn);border-color:var(--warn)}
.data-empty{padding:16px 12px;text-align:center;color:var(--muted);font-size:12px;font-style:italic}
.list-toolbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.search-input{margin-bottom:8px}
.status-line{display:flex;align-items:center;gap:6px;font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted);margin-top:10px}
.status-line .dot{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.status-line.warn{color:var(--warn)} .status-line.warn .dot{background:var(--warn)}

/* EU banner */
.eu-banner{background:var(--accent-soft);border-left:3px solid var(--accent);padding:10px 12px;border-radius:0 4px 4px 0;font-size:12px;color:var(--accent);line-height:1.5}
.eu-banner strong{font-weight:600}
.eu-banner.ok{background:#D6EAD9;border-left-color:var(--ok);color:var(--ok)}
.eu-banner.warn{background:#FBE9E1;border-left-color:var(--warn);color:var(--warn)}
.eu-banner a{color:inherit;text-decoration:underline}
.vat-format-tag{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--ok);float:right;margin-top:-2px}
.vat-format-tag.bad{color:var(--warn)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-family:inherit;font-size:12.5px;font-weight:500;border-radius:var(--radius);cursor:pointer}
.btn:hover{background:var(--accent);border-color:var(--accent)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--paper);border-color:var(--ink)}
.btn.small{padding:6px 10px;font-size:11.5px}
.btn.primary{background:var(--accent);border-color:var(--accent)}
.btn.primary:hover{background:#002862;border-color:#002862}
.btn.warn{background:var(--warn);border-color:var(--warn)}
.btn.warn:hover{background:#7A3815;border-color:#7A3815}

.actions{position:sticky;bottom:0;background:linear-gradient(to top, var(--bg) 80%, transparent);padding:14px 0 0;display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.checkbox-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft)}
.checkbox-row input{width:auto;margin:0}

.lang-switch{display:flex;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;width:fit-content;margin-bottom:14px}
.lang-switch button{background:transparent;border:none;padding:6px 12px;font-family:'IBM Plex Mono',monospace;font-size:11px;cursor:pointer;color:var(--muted)}
.lang-switch button.on{background:var(--ink);color:#fff}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:var(--radius);font-size:13px;box-shadow:0 8px 24px -8px rgba(0,0,0,0.3);opacity:0;transition:all .25s;z-index:300;pointer-events:none;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--warn)} .toast.ok{background:var(--ok)}

.modal-backdrop{position:fixed;inset:0;background:rgba(11,27,43,0.5);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal-backdrop.show{display:flex}
.modal{background:var(--paper);border-radius:var(--radius);padding:28px;max-width:560px;width:100%;max-height:90vh;overflow-y:auto}
.modal h2{font-size:22px;margin-bottom:6px}
.modal .modal-sub{color:var(--ink-soft);font-size:13px;margin-bottom:18px}
.modal-close{float:right;background:none;border:none;cursor:pointer;font-size:22px;color:var(--muted);line-height:1}

/* Right pane: invoice/quote/order paper */
.stage{padding:36px;background:var(--bg);display:flex;justify-content:center}
@media (max-width:980px){ .stage{padding:20px} }
.paper{width:100%;max-width:780px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);padding:56px;font-size:13px;line-height:1.5;color:var(--ink);min-height:1000px}
@media (max-width:560px){ .paper{padding:28px 22px} }

.doc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;border-bottom:2px solid var(--ink);padding-bottom:18px;margin-bottom:24px}
.doc-head .head-left{display:flex;gap:16px;align-items:flex-start}
.doc-logo{max-width:100px;max-height:80px;object-fit:contain;flex-shrink:0}
.doc-head h1{font-size:32px;letter-spacing:-0.02em;line-height:1}
.doc-head .doc-type{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.18em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.doc-head .seller-name{font-family:'Fraunces',serif;font-size:18px;font-weight:500;text-align:right}
.doc-head .seller-meta{margin-top:4px;font-size:11.5px;color:var(--ink-soft);text-align:right;white-space:pre-line}

.parties{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:24px}
.party h4{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:6px}
.party .name{font-family:'Fraunces',serif;font-size:16px;font-weight:500;margin-bottom:4px}
.party .lines-blk{font-size:12.5px;color:var(--ink-soft);white-space:pre-line}

.meta-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px 24px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:24px}
.meta-grid .k{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.meta-grid .v{font-size:13px;font-weight:500}

table.items{width:100%;border-collapse:collapse;margin-bottom:18px}
table.items th{text-align:left;font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted);font-weight:500;padding:0 0 8px;border-bottom:1px solid var(--ink)}
table.items th.num,table.items td.num{text-align:right;font-variant-numeric:tabular-nums;font-family:'IBM Plex Mono',monospace}
table.items td{padding:10px 0;border-bottom:1px solid var(--line-soft);vertical-align:top;font-size:12.5px}
table.items td .desc-main{font-weight:500;color:var(--ink)}
table.items td .desc-detail{font-size:11px;color:var(--muted);margin-top:3px;white-space:pre-line;line-height:1.5}
table.items td .sub{font-size:11px;color:var(--muted);margin-top:2px}

.totals{display:flex;justify-content:flex-end;margin-bottom:24px}
.totals table{border-collapse:collapse;min-width:300px}
.totals td{padding:5px 0 5px 24px;font-size:12.5px}
.totals td.label{color:var(--ink-soft)}
.totals td.val{font-family:'IBM Plex Mono',monospace;text-align:right;font-variant-numeric:tabular-nums}
.totals tr.grand td{border-top:1px solid var(--ink);padding-top:10px;font-size:16px;font-weight:600}
.totals tr.grand td.val{font-family:'Fraunces',serif;font-weight:600;font-size:18px}

.vat-breakdown{margin:0 0 24px;padding:12px 14px;background:var(--accent-soft);border-radius:var(--radius);font-size:11.5px}
.vat-breakdown h4{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.16em;text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:6px}
.vat-breakdown table{width:100%;border-collapse:collapse}
.vat-breakdown td{padding:3px 0;font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}
.vat-breakdown td:nth-child(2),.vat-breakdown td:nth-child(3),.vat-breakdown td:nth-child(4){text-align:right}

.payment{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;padding:18px;border:1px solid var(--ink);border-radius:var(--radius);margin-bottom:24px;background:linear-gradient(180deg,var(--paper) 0%, #FBFAF6 100%)}
.payment h3{font-family:'Fraunces',serif;font-size:18px;font-weight:500;grid-column:1 / -1}
.payment .k{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.payment .v{font-family:'IBM Plex Mono',monospace;font-size:13px;font-weight:500;font-variant-numeric:tabular-nums}
.payment .v.big{font-size:16px}

.notes{font-size:12px;color:var(--ink-soft);white-space:pre-line;margin-bottom:18px}
.legal{font-size:10.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;line-height:1.55}
.legal strong{color:var(--ink-soft);font-weight:500}
.badge{display:inline-block;padding:2px 7px;border-radius:3px;font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.12em;text-transform:uppercase;background:var(--accent-soft);color:var(--accent);font-weight:500}

/* Status badges */
.stat{display:inline-block;padding:1px 6px;border-radius:3px;font-size:9.5px;letter-spacing:0.12em;text-transform:uppercase;font-family:'IBM Plex Mono',monospace;background:var(--line);color:var(--ink-soft)}
.stat.draft{background:var(--line);color:var(--ink-soft)}
.stat.sent{background:var(--accent-soft);color:var(--accent)}
.stat.accepted,.stat.paid,.stat.invoiced{background:#D6EAD9;color:var(--ok)}
.stat.rejected,.stat.void{background:#F4D9CC;color:var(--warn)}
.stat.open{background:var(--amber-soft);color:var(--amber)}
.stat.issued{background:var(--accent-soft);color:var(--accent)}

/* Linkage chips on documents (shows "from quote QUO-X" etc.) */
.linkage{display:flex;gap:8px;flex-wrap:wrap;font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--muted);margin-top:8px;letter-spacing:0.04em}
.linkage .chip{background:var(--line-soft);padding:2px 8px;border-radius:10px;color:var(--ink-soft)}
.linkage .chip strong{color:var(--ink);font-weight:500}

/* Acceptance block on quote view */
.accept-block{background:#FBFAF6;border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-top:14px}
.accept-block h4{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:8px}
.accept-block .meta{font-size:11.5px;color:var(--ink-soft);margin-bottom:8px}
.accept-block .body{font-size:12.5px;background:var(--paper);padding:10px 12px;border-radius:4px;border:1px solid var(--line);white-space:pre-line;font-family:'IBM Plex Sans',sans-serif;line-height:1.5}

@media print{
  @page{size:A4;margin:14mm}
  html,body{background:#fff}
  .topbar,.panel,.stage > *:not(.paper),.toast,.modal-backdrop{display:none !important}
  .app{display:block}
  .stage{padding:0;background:#fff}
  .paper{border:none;box-shadow:none;padding:0;min-height:0;max-width:none;width:100%}
  .vat-breakdown,.payment,.badge{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}