:root{
  --bg:#f5f6f4;--surface:#fff;--ink:#17201e;--muted:#5f6b67;--line:#dfe3df;--accent:#255f85;--accent-ink:#fff;
  --good:#1f7a4d;--good-bg:#e3f3ea;--warn:#a1520d;--warn-bg:#fbeedf;--bad:#b42318;--bad-bg:#fde8e6;--radius:10px;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#111615;--surface:#1a201f;--ink:#e8eeec;--muted:#9aa7a2;--line:#2b3331;--accent:#6fb1dd;--accent-ink:#0b1a24;
  --good:#6fd3a0;--good-bg:#173126;--warn:#f0b070;--warn-bg:#33240f;--bad:#ff8f84;--bad-bg:#3a1714;}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
a{color:var(--accent)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);text-decoration:none}
.logo-mark{width:24px;height:24px;border-radius:6px;background:var(--accent);display:inline-block;box-shadow:inset 0 -8px 0 rgba(255,255,255,.18)}
nav{display:flex;align-items:center;gap:16px}nav a{text-decoration:none;color:var(--muted);font-weight:600}nav a.active{color:var(--ink)}
.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--line);color:var(--muted)}
.badge.pro{background:var(--accent);color:var(--accent-ink)}
main{max-width:1200px;margin:0 auto;padding:24px 16px 80px}
h1{font-size:24px;margin:0 0 4px}h2{font-size:17px;margin:0 0 12px}
.muted{color:var(--muted)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spread{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.btn{appearance:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:9px 14px;border-radius:8px;font:600 14px inherit;font-family:inherit;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{color:var(--bad)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat .k{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.stat .v{font-size:22px;font-weight:800;margin-top:4px;font-variant-numeric:tabular-nums}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
table.list{width:100%;border-collapse:collapse}
table.list th{text-align:left;font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--line)}
table.list td{padding:11px 10px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
table.list tr.clickable{cursor:pointer}table.list tr.clickable:hover td{background:color-mix(in srgb,var(--accent) 6%,transparent)}
.num{text-align:right}
.pill{font-size:12px;font-weight:700;padding:2px 9px;border-radius:99px;background:var(--line);color:var(--muted);text-transform:capitalize;white-space:nowrap}
.pill.paid,.pill.accepted{background:var(--good-bg);color:var(--good)}
.pill.sent{background:var(--warn-bg);color:var(--warn)}
.pill.overdue,.pill.declined{background:var(--bad-bg);color:var(--bad)}
.empty{text-align:center;padding:48px 16px}
.editor{display:grid;grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:900px){.editor{grid-template-columns:1fr}}
fieldset{border:0;padding:0;margin:0 0 18px}
legend{font-weight:800;margin-bottom:8px;font-size:14px}
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:8px 0 4px}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--accent) 45%,transparent);border-color:var(--accent)}
textarea{min-height:70px;resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.item{display:grid;grid-template-columns:1fr 64px 90px 32px;gap:6px;margin-bottom:6px;align-items:center}
.item .x{border:0;background:none;color:var(--muted);font-size:20px;cursor:pointer}
.errors{background:var(--bad-bg);color:var(--bad);border-radius:8px;padding:10px 12px;margin-bottom:12px;font-size:14px}
.errors:empty{display:none}
.notice{background:var(--warn-bg);color:var(--warn);border-radius:8px;padding:12px 14px;margin-bottom:16px;font-size:14px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;opacity:0;transition:.2s;pointer-events:none;font-weight:600}
.toast.show{opacity:1;transform:translateX(-50%)}
/* ---------- the document itself (screen preview + print) ---------- */
.paper{background:#fff;color:#1b1f1e;border-radius:6px;box-shadow:0 1px 3px rgba(0,0,0,.08),0 8px 30px rgba(0,0,0,.06);padding:44px 48px;font-size:13px;min-height:700px}
.paper .head{display:flex;justify-content:space-between;gap:20px;margin-bottom:32px}
.paper .doc-title{font-size:26px;font-weight:800;letter-spacing:-.01em;color:#255f85}
.paper .logo{max-height:56px;max-width:180px;object-fit:contain;margin-bottom:8px}
.paper .meta{text-align:right;color:#4b5552}
.paper .meta b{color:#1b1f1e}
.paper .parties{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:28px;white-space:pre-line}
.paper .label{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:#6a7471;font-weight:700;margin-bottom:4px}
.paper table{width:100%;border-collapse:collapse;margin-bottom:16px}
.paper th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:#6a7471;border-bottom:2px solid #1b1f1e;padding:8px 6px}
.paper th.num,.paper td.num{text-align:right}
.paper td{padding:10px 6px;border-bottom:1px solid #e4e7e5;vertical-align:top;font-variant-numeric:tabular-nums}
.paper .totals{margin-left:auto;width:280px}
.paper .totals div{display:flex;justify-content:space-between;padding:4px 6px}
.paper .totals .grand{border-top:2px solid #1b1f1e;margin-top:6px;padding-top:8px;font-size:16px;font-weight:800}
.paper .notes{margin-top:28px;white-space:pre-line;color:#3b4442}
.paper .made{margin-top:40px;font-size:10.5px;color:#9aa3a0;text-align:center}
.paper .made a{color:inherit}
@media (max-width:600px){.paper{padding:24px 18px}.paper .parties{grid-template-columns:1fr}.paper .totals{width:100%}}
.site-foot{text-align:center;color:var(--muted);font-size:13px;margin:40px auto 24px;padding:0 16px}
@media print{
  @page{margin:12mm}
  body{background:#fff}
  .no-print,.top,.form-col{display:none!important}
  main{padding:0;max-width:none}
  .editor{display:block}
  .paper{box-shadow:none;padding:0;min-height:0}
}
/* worldwide tax */
.item.sac{grid-template-columns:1fr 78px 56px 80px 28px}
label.check{display:flex;gap:8px;align-items:center;font-weight:500;margin:10px 0}
label.check input{width:auto;margin:0}
.paper .local{margin:14px 0 0 auto;width:280px;border:1px solid #e4e7e5;border-radius:6px;padding:8px 6px;font-size:12px}
.paper .local div:not(.label){display:flex;justify-content:space-between;padding:2px 6px}
.paper .local .label{padding:0 6px 4px}
.paper .legal{font-size:11px;font-weight:700;letter-spacing:.02em;color:#1b1f1e;border-left:3px solid #255f85;padding-left:10px}
.paper .sign{margin-top:40px;margin-left:auto;width:220px;text-align:center;font-size:12px}
.paper .sign-line{margin-top:44px;border-top:1px solid #1b1f1e;padding-top:4px;color:#4b5552}
@media (max-width:600px){.paper .local{width:100%}}
@media (max-width:600px){.item.sac{grid-template-columns:minmax(0,1fr) 62px 44px 62px 22px;gap:4px}.item.sac input{padding:9px 6px}}
.editor>*{min-width:0}select{max-width:100%;text-overflow:ellipsis}
.grid2>*,.grid3>*{min-width:0}fieldset{min-width:0}