/* Layout: black brand band on top, then either a document ledger or a two-pane editor (form left, live A4 paper right). The paper always prints on white. */
:root{
  --bg:#f2f2f0; --panel:#ffffff; --ink:#161616; --muted:#6c6c69; --line:#e2e2df; --field:#fbfbfa;
  --primary:#161616; --on-primary:#ffffff; --desk:#e7e7e4; --hover:#f4f4f2;
  --ok:#1d7a4c; --warn:#9a5a00; --bad:#b42318; --info:#2c58cf;
  --band:#111111; --band-ink:#ffffff; --band-muted:#8f8f8f;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0e0e0e; --panel:#171717; --ink:#ececea; --muted:#9b9b97; --line:#2a2a28; --field:#121212;
  --primary:#ececea; --on-primary:#111111; --desk:#0a0a0a; --hover:#1f1f1e;
  --ok:#4cc38a; --warn:#e2a64e; --bad:#f2766d; --info:#86a8ff; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0e0e0e; --panel:#171717; --ink:#ececea; --muted:#9b9b97; --line:#2a2a28; --field:#121212;
  --primary:#ececea; --on-primary:#111111; --desk:#0a0a0a; --hover:#1f1f1e;
  --ok:#4cc38a; --warn:#e2a64e; --bad:#f2766d; --info:#86a8ff; color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font:14px/1.45 var(--sans);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--info);outline-offset:2px}
.lab{font:500 10.5px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* brand band */
.band{background:var(--band);color:var(--band-ink)}
.band-in{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-block:14px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));max-width:1500px;margin:0 auto}
.band img{height:20px;display:block}
.band .lab{color:var(--band-muted)}
.band-nav{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.bbtn{background:transparent;border:1px solid #3a3a3a;color:#fff;border-radius:8px;padding:7px 12px;cursor:pointer;font-weight:500;font-size:13px}
.bbtn:hover{border-color:#777}
.bbtn.solid{background:#fff;color:#111;border-color:#fff}

.wrap{max-width:1500px;margin:0 auto;padding-block:24px 48px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.notice{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:10px 14px;color:var(--muted);font-size:13px;margin-bottom:16px}
.notice[data-tone="bad"]{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,var(--line))}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:7px 12px;cursor:pointer;font-weight:500;font-size:13px;white-space:nowrap}
.btn:hover{background:var(--hover)}
.btn.pri{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}
.btn.pri:hover{opacity:.9}
.btn.danger{color:var(--bad)}
.btn.armed{background:var(--bad);color:#fff;border-color:var(--bad)}
.btn[disabled]{opacity:.5;cursor:default}
.ibtn{border:1px solid var(--line);background:var(--panel);border-radius:6px;width:28px;height:28px;cursor:pointer;color:var(--muted);display:inline-grid;place-items:center;font-size:13px;line-height:1}
.ibtn:hover{color:var(--ink);background:var(--hover)}

/* ledger */
.ledger-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.ledger-head h1{font-size:24px;font-weight:600;margin:4px 0 0;letter-spacing:-.01em}
.figs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:20px}
.fig{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.fig b{display:block;font-size:22px;font-weight:600;margin-top:6px;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.fig small{color:var(--muted);font-size:12px}
.tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.chip{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:5px 12px;cursor:pointer;font-size:13px}
.chip[aria-pressed="true"]{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}
.search{margin-left:auto;min-width:0;flex:0 1 260px;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:7px 10px}
.tablebox{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow-x:auto}
table.docs{width:100%;border-collapse:collapse;min-width:720px}
.docs th{text-align:left;font:500 10.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:12px 14px;border-bottom:1px solid var(--line)}
.docs td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.docs tr:last-child td{border-bottom:0}
.docs tbody tr{cursor:pointer}
.docs tbody tr:hover{background:var(--hover)}
.docs .num{font:500 12.5px var(--mono);white-space:nowrap}
.docs .r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.docs .sub{color:var(--muted);font-size:12.5px}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.pill{display:inline-block;font:500 11px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:5px 8px;border-radius:999px;border:1px solid currentColor;white-space:nowrap}
.pill.draft{color:var(--muted)} .pill.sent{color:var(--info)} .pill.accepted,.pill.paid{color:var(--ok)}
.pill.declined,.pill.overdue{color:var(--bad)} .pill.void{color:var(--muted);text-decoration:line-through}
.kind{font:500 10.5px var(--mono);letter-spacing:.1em;color:var(--muted)}

/* editor */
.edbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.edbar .ttl{font-weight:600;font-size:16px;margin-right:auto;min-width:0}
.edbar .ttl .lab{display:block;margin-bottom:2px}
.savestate{font-size:12px;color:var(--muted);margin-right:4px}
.tabs{display:none;gap:6px;margin-bottom:12px}
.split{display:grid;grid-template-columns:minmax(360px,460px) minmax(0,1fr);gap:20px;align-items:start}
.form{display:grid;gap:14px;min-width:0}
.sec{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;gap:12px;min-width:0}
.sec > .lab{margin-bottom:2px}
.sec-h{display:flex;justify-content:space-between;align-items:center;gap:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.f{display:grid;gap:4px;min-width:0}
.f > span{font-size:12px;color:var(--muted)}
.f input,.f select,.f textarea{width:100%;min-width:0;border:1px solid var(--line);background:var(--field);border-radius:7px;padding:7px 9px}
.f textarea{resize:vertical;min-height:62px;line-height:1.4}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}
.chk input{width:16px;height:16px;accent-color:var(--primary)}
.row-card{border:1px solid var(--line);border-radius:10px;padding:12px;display:grid;gap:10px;background:var(--field)}
.row-card .f input,.row-card .f textarea,.row-card .f select{background:var(--panel)}
.row-top{display:flex;justify-content:space-between;align-items:center;gap:6px}
.row-top .lab{font-size:10px}
.row-btns{display:flex;gap:4px}
.item-grid{display:grid;grid-template-columns:minmax(0,1fr) 110px 120px;gap:10px;align-items:end}
.kv{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:8px;align-items:center}
.kv input{width:100%;min-width:0;border:1px solid var(--line);background:var(--field);border-radius:7px;padding:6px 8px}
.sumline{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.sumline b{color:var(--ink);font-weight:600}
.hint{font-size:12px;color:var(--muted)}

.desk{background:var(--desk);border-radius:12px;padding:16px;position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;min-width:0}
.desk-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:8px}
.desk-meta .lab{color:var(--muted)}
.paper-frame{margin:0 auto;position:relative;overflow:hidden}
.paper-stack{transform-origin:top left;position:absolute;left:0;top:0;display:flex;flex-direction:column;gap:24px}
.paper-stack .page{box-shadow:0 1px 2px rgba(0,0,0,.08),0 8px 28px rgba(0,0,0,.10)}

/* modal */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:start center;overflow:auto;z-index:50;
  padding:max(24px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px))}
.modal{background:var(--bg);border-radius:14px;width:min(760px,100%);display:grid;gap:14px;padding:18px;border:1px solid var(--line)}
.modal-h{display:flex;justify-content:space-between;align-items:center;gap:8px}
.modal-h h2{margin:0;font-size:18px;font-weight:600}
.logo-prev{background:#111;border-radius:8px;padding:12px 14px;display:flex;align-items:center;min-height:46px}
.logo-prev img{height:22px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--primary);color:var(--on-primary);padding:9px 14px;border-radius:9px;font-size:13px;z-index:60;max-width:calc(100% - 32px)}

@media (max-width:1000px){
  .split{grid-template-columns:minmax(0,1fr)}
  .tabs{display:flex}
  .split[data-tab="edit"] .desk{display:none}
  .split[data-tab="preview"] .form{display:none}
  .desk{position:static;max-height:none}
}
@media (max-width:560px){
  .figs{grid-template-columns:1fr}
  .grid2,.grid3{grid-template-columns:1fr}
  .item-grid{grid-template-columns:1fr 1fr}
  .item-grid .f:first-child{grid-column:1/-1}
  .search{flex-basis:100%;margin-left:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- PAPER (fixed A4 at 96dpi, always light) ---------- */
.page{width:794px;height:1123px;background:#fff;color:#1a1a1a;display:flex;flex-direction:column;font-family:var(--sans);font-size:12.5px;line-height:1.5;overflow:hidden;flex:none}
.p-band{background:#111;color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 60px;flex:none}
.p-band.big{height:152px}
.p-band.slim{height:84px}
.p-band img{height:20px;display:block}
.p-band .p-word{font-size:22px;font-weight:600;letter-spacing:-.01em}
.p-tag{font:400 10.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#8d8d8d;margin-top:12px}
.p-title{font-size:33px;font-weight:600;letter-spacing:-.015em;text-align:right;line-height:1.1}
.p-ref{font:400 10.5px var(--mono);letter-spacing:.14em;color:#8d8d8d;text-align:right;margin-top:12px}
.p-band.slim .p-ref{margin-top:0}
.p-body{flex:1;min-height:0;overflow:hidden;padding:34px 60px 0;display:flow-root}
.p-body > *{margin-top:22px}
.p-body > :first-child{margin-top:0}
.p-foot{flex:none;margin:0 60px;border-top:1px solid #e4e4e4;padding:12px 0 26px;display:flex;justify-content:space-between;gap:20px;font-size:10.5px;color:#8d8d8d}
.p-lab{font:400 9.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#8d8d8d;margin-bottom:8px}
.p-parties{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
.p-parties div{overflow-wrap:anywhere}
.p-strong{font-weight:600}
.p-h2{font-size:17px;font-weight:600;letter-spacing:-.01em;margin:0 0 10px;text-wrap:balance}
.p-sum{margin:0;color:#444;font-size:12.5px}
.p-thead{display:grid;grid-template-columns:minmax(0,1fr) 84px 80px;font:400 9.5px var(--mono);letter-spacing:.14em;color:#8d8d8d;padding-bottom:10px;border-bottom:1.5px solid #1a1a1a}
.p-thead .r,.p-row .r{text-align:right}
.p-items{margin-top:22px}
.p-row{display:grid;grid-template-columns:minmax(0,1fr) 84px 80px;padding:12px 0;border-bottom:1px solid #e4e4e4;column-gap:0}
.p-row + .p-row{margin-top:0}
.p-body > .p-row{margin-top:0}
.p-it{font-weight:600;margin-bottom:2px}
.p-desc{color:#555;font-size:11px;line-height:1.45;padding-right:10px}
.p-qty{padding-left:4px}
.p-amt{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.p-incl{color:#9a9a9a;font-size:11px}
.p-tot{width:45%;margin-left:auto}
.p-tl{display:flex;justify-content:space-between;padding:5px 0;font-size:12px;font-variant-numeric:tabular-nums}
.p-tl.grand{border-top:1.5px solid #1a1a1a;margin-top:6px;padding-top:12px;font-size:19px;font-weight:600}
.p-note{text-align:right;color:#8d8d8d;font-size:10.5px;margin-top:8px}
.p-pk{display:grid;gap:18px}
.p-card{border:1px solid #e4e4e4;border-radius:8px;padding:18px 18px 18px}
.p-card.rec{background:#111;color:#fff;border-color:#111}
.p-card .p-lab{margin-bottom:4px}
.p-card.rec .p-lab{color:#9a9a9a}
.p-card .nm{font-weight:600;font-size:13px}
.p-card .pr{font-size:20px;font-weight:600;margin:14px 0 10px;letter-spacing:-.01em}
.p-card .ds{font-size:11px;color:#555;line-height:1.55}
.p-card.rec .ds{color:#bdbdbd}
.p-cards2{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.p-kv{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #e9e9e9;font-size:12px}
.p-kv:last-child{border-bottom:0;padding-bottom:0}
.p-kv b{font-weight:600;text-align:right}
.p-terms ol{margin:0;padding-left:18px;font-size:11.5px;color:#333}
.p-terms li{padding-left:4px;margin-bottom:5px}
.p-sign{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;padding-top:26px}
.p-sign div{border-top:1.5px solid #1a1a1a;padding-top:10px;font-size:11px;color:#8d8d8d}
.p-pay{font-size:11.5px;color:#444;margin:12px 0 0}

/* ---------- standalone additions ---------- */
html{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);background:var(--band)}
body{margin:0;min-height:100%}
code{font-family:var(--mono);font-size:.92em}
.auth{max-width:380px;margin:48px auto;display:grid;gap:14px}
.auth h1{margin:0;font-size:26px;font-weight:600;letter-spacing:-.01em}
.auth-form{display:grid;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.auth-err{color:var(--bad);font-size:13px}
.linkbtn{background:none;border:0;color:var(--muted);font-size:13px;cursor:pointer;justify-self:start;padding:0;text-decoration:underline}
#printRoot{position:fixed;left:-12000px;top:0}
@page{size:A4;margin:0}
@media print{
  html,body{background:#fff!important;padding:0!important;margin:0!important}
  body > *:not(#printRoot){display:none!important}
  #printRoot{position:static;left:auto}
  #printRoot .page{break-after:page;page-break-after:always;box-shadow:none}
  #printRoot .page:last-child{break-after:auto;page-break-after:auto}
  *{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}
}