/* ===========================================================
   BillDesk — ledger UI
   Paper + ink, one deep viridian accent, all figures in mono
   =========================================================== */

:root{
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --ink:#15181D;
  --ink-2:#41454C;
  --muted:#6E7178;
  --rule:#E4E2DA;
  --rule-2:#F0EEE8;
  --accent:#17564A;
  --accent-soft:#E6EFEB;
  --due:#9E3413;
  --due-soft:#FBEAE3;
  --warn:#8A6100;
  --warn-soft:#FAF1DC;
  --blue:#26456E;
  --blue-soft:#E7EDF6;
  --radius:8px;
  --shadow:0 1px 2px rgba(21,24,29,.05), 0 4px 16px rgba(21,24,29,.04);
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Archivo",var(--sans);
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:400 15px/1.5 var(--sans);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.01em;margin:0}
h1{font-size:20px}
h2{font-size:16px}
h3{font-size:14px}

/* figures — the signature */
.num,td.num,th.num,.money,input.num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:.92em;letter-spacing:-.02em;text-align:right
}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.muted{color:var(--muted)}
.small{font-size:13px}
.tiny{font-size:12px}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}
.strong{font-weight:600}
.neg{color:var(--due)}
.pos{color:var(--accent)}

/* ---------- Layout ---------- */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:236px;background:var(--ink);
  color:#C9CCD1;display:flex;flex-direction:column;padding:20px 0;z-index:40;
}
.brand{
  display:flex;align-items:center;gap:9px;padding:0 20px 20px;
  font-family:var(--display);font-weight:700;font-size:17px;color:#fff;
  letter-spacing:-.02em;text-decoration:none
}
.brand:hover{text-decoration:none}
.brand-mark{
  width:26px;height:26px;border-radius:6px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-family:var(--mono);font-size:14px;font-weight:600
}
.sidebar nav{display:flex;flex-direction:column;gap:1px;padding:0 10px;overflow-y:auto;flex:1}
.nav-eyebrow{
  font-family:var(--display);font-size:10px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:#6C7076;padding:16px 10px 6px
}
.sidebar nav a{
  color:#C9CCD1;padding:8px 10px;border-radius:6px;font-size:14px;
  text-decoration:none;transition:background .12s,color .12s
}
.sidebar nav a:hover{background:#22262C;color:#fff;text-decoration:none}
.sidebar nav a.on{background:var(--accent);color:#fff;font-weight:500}
.sidebar-foot{padding:16px 20px 0;border-top:1px solid #262A31;margin-top:12px}
.who{font-size:13px;color:#fff;line-height:1.35}
.who span{display:block;color:#7A7E85;font-size:11.5px;overflow:hidden;text-overflow:ellipsis}
.lnk{display:inline-block;margin-top:8px;font-size:12.5px;color:#9AA0A7}

.main{margin-left:236px;min-height:100vh;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;gap:14px;padding:16px 26px;
  background:var(--paper);border-bottom:1px solid var(--rule);
  position:sticky;top:0;z-index:20
}
.topbar h1{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-actions{display:flex;gap:8px}
.page{padding:24px 26px 64px;max-width:1240px;width:100%}

.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;padding:6px}
.hamburger span{width:19px;height:2px;background:var(--ink);border-radius:2px}
.scrim{display:none}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:18px
}
.card-head{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--rule-2)
}
.card-head h2{flex:1}
.card-body{padding:18px}
.card-body.tight{padding:0}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px;align-items:start}

/* ---------- Stats ---------- */
.stat{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:16px 18px}
.stat-label{
  font-family:var(--display);font-size:10.5px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted)
}
.stat-value{
  font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:24px;
  font-weight:500;letter-spacing:-.03em;margin-top:8px;line-height:1.1
}
.stat-note{font-size:12px;color:var(--muted);margin-top:5px}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse}
thead th{
  font-family:var(--display);font-size:10.5px;font-weight:600;letter-spacing:.09em;
  text-transform:uppercase;color:var(--muted);text-align:left;
  padding:10px 14px;border-bottom:1px solid var(--rule);white-space:nowrap
}
tbody td{padding:11px 14px;border-bottom:1px solid var(--rule-2);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#FAFAF8}
.table-wrap{overflow-x:auto}
.empty{padding:44px 18px;text-align:center;color:var(--muted)}
.empty p{margin:0 0 14px}

/* ---------- Badges ---------- */
.badge{
  display:inline-block;padding:3px 8px;border-radius:99px;font-size:11.5px;font-weight:500;
  letter-spacing:.01em;white-space:nowrap
}
.badge.green{background:var(--accent-soft);color:var(--accent)}
.badge.red{background:var(--due-soft);color:var(--due)}
.badge.amber{background:var(--warn-soft);color:var(--warn)}
.badge.blue{background:var(--blue-soft);color:var(--blue)}
.badge.grey{background:#EEEDE8;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:8px 14px;border-radius:6px;border:1px solid transparent;
  font:500 13.5px/1 var(--sans);cursor:pointer;white-space:nowrap;
  text-decoration:none;transition:background .12s,border-color .12s,color .12s
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#0F4238;color:#fff}
.btn-ghost{background:var(--card);border-color:var(--rule);color:var(--ink-2)}
.btn-ghost:hover{border-color:#CFCDC4;background:#FBFAF8}
.btn-danger{background:var(--card);border-color:var(--due-soft);color:var(--due)}
.btn-danger:hover{background:var(--due-soft)}
.btn-wa{background:#1E6B3A;color:#fff}
.btn-wa:hover{background:#175730;color:#fff}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn-block{width:100%}
.btn-link{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;font-size:13px;padding:0}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- Forms ---------- */
label{display:block;font-size:13px;color:var(--ink-2);font-weight:500;margin-bottom:14px}
label>span.hint{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:2px}
input,select,textarea{
  width:100%;margin-top:5px;padding:8px 10px;border:1px solid var(--rule);
  border-radius:6px;background:var(--card);color:var(--ink);
  font:400 14px/1.4 var(--sans);transition:border-color .12s,box-shadow .12s
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)
}
input[type=checkbox]{width:auto;margin:0 6px 0 0;accent-color:var(--accent)}
textarea{resize:vertical;min-height:76px}
.check{display:flex;align-items:center;font-weight:400;font-size:13.5px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.form-grid .full{grid-column:1/-1}
fieldset{border:0;padding:0;margin:0 0 8px}
legend{
  font-family:var(--display);font-size:10.5px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);padding:0 0 10px
}
.form-actions{
  display:flex;gap:10px;align-items:center;padding:14px 18px;
  border-top:1px solid var(--rule-2);background:#FBFAF8;
  border-radius:0 0 var(--radius) var(--radius)
}
.form-actions .spacer{flex:1}

/* ---------- Alerts ---------- */
.alert{
  margin:16px 26px -2px;padding:11px 14px;border-radius:6px;font-size:13.5px;border:1px solid
}
.alert-ok{background:var(--accent-soft);border-color:#CFE0D9;color:#10463B}
.alert-err{background:var(--due-soft);border-color:#F0CFC2;color:#7E2A0F}
.alert-info{background:var(--blue-soft);border-color:#CFDCEE;color:#1D3453}
.note{
  background:#FBFAF8;border:1px solid var(--rule);border-left:3px solid var(--accent);
  border-radius:0 6px 6px 0;padding:11px 14px;font-size:13px;color:var(--ink-2);margin-bottom:16px
}
.note code{background:#EEEDE8;padding:1px 5px;border-radius:3px;font-family:var(--mono);font-size:12px}

/* ---------- Toolbar / search ---------- */
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.toolbar form{display:flex;gap:8px;flex:1;min-width:220px}
.toolbar input,.toolbar select{margin-top:0}
.toolbar .spacer{flex:1}
.tabs{display:flex;gap:4px;background:#EEEDE8;padding:3px;border-radius:7px}
.tabs a{
  padding:6px 13px;border-radius:5px;font-size:13.5px;color:var(--ink-2);text-decoration:none
}
.tabs a.on{background:var(--card);color:var(--ink);font-weight:500;box-shadow:0 1px 2px rgba(0,0,0,.06)}

/* ---------- Invoice builder ---------- */
.lines{width:100%;border-collapse:collapse}
.lines th{
  font-family:var(--display);font-size:10px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);text-align:left;
  padding:8px 6px;border-bottom:1px solid var(--rule);white-space:nowrap
}
.lines td{padding:6px;border-bottom:1px solid var(--rule-2);vertical-align:top}
.lines input,.lines select{margin-top:0;padding:6px 8px;font-size:13.5px}
.lines .drag{
  width:26px;cursor:grab;color:#B9B7AE;text-align:center;
  font-size:15px;line-height:32px;user-select:none;touch-action:none
}
.lines .drag:active{cursor:grabbing}
.lines tr.dragging{opacity:.4}
.lines tr.drop-target td{box-shadow:inset 0 2px 0 var(--accent)}
.line-total{
  font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13.5px;
  text-align:right;padding-top:13px !important;white-space:nowrap
}
.col-desc{min-width:200px}
.col-num{width:88px}
.col-tax{width:96px}
.col-disc{width:150px}
.disc-cell{display:flex;gap:4px}
.disc-cell input{flex:1;min-width:0}
.disc-cell select{width:52px;padding:6px 2px;text-align:center}
.rm{
  border:0;background:none;color:#B9B7AE;cursor:pointer;font-size:17px;
  line-height:1;padding:7px 4px
}
.rm:hover{color:var(--due)}

/* totals tape */
.tape{background:#FBFAF8;border:1px solid var(--rule);border-radius:var(--radius);padding:14px 16px}
.tape-row{
  display:flex;justify-content:space-between;gap:12px;padding:6px 0;
  font-size:13.5px;color:var(--ink-2)
}
.tape-row b{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:500;letter-spacing:-.02em}
.tape-row.rule{border-top:1px solid var(--rule);margin-top:6px;padding-top:11px}
.tape-grand{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  border-top:2px solid var(--ink);margin-top:10px;padding-top:11px
}
.tape-grand span{font-family:var(--display);font-weight:600;font-size:14px}
.tape-grand b{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:21px;font-weight:600;letter-spacing:-.03em
}
.tape input,.tape select{margin-top:0}

/* ---------- Document view ---------- */
.kv{display:grid;grid-template-columns:auto 1fr;gap:5px 16px;font-size:13.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px}
.kv dd.txt{font-family:var(--sans);font-size:13.5px}
.doc-title{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.doc-title .num{font-family:var(--mono);font-size:22px;font-weight:600;letter-spacing:-.03em}
.balance-box{
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  padding:16px 18px;text-align:right
}
.balance-box .amt{
  font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:26px;
  font-weight:600;letter-spacing:-.03em;display:block;margin-top:4px
}
.log{font-family:var(--mono);font-size:11.5px;white-space:pre-wrap;word-break:break-all;
  background:#FBFAF8;border:1px solid var(--rule-2);border-radius:5px;padding:8px;max-height:150px;overflow:auto}

/* ---------- Auth ---------- */
.auth-body{display:grid;place-items:center;min-height:100vh;padding:24px;background:var(--paper)}
.auth-card{
  width:100%;max-width:380px;background:var(--card);border:1px solid var(--rule);
  border-radius:12px;padding:28px;box-shadow:var(--shadow)
}
.auth-card .brand{padding:0 0 20px;color:var(--ink)}
.auth-card h1{font-size:19px;margin-bottom:6px}
.auth-card p{margin:0 0 18px;font-size:13.5px}
.auth-card ol{padding-left:18px;font-size:13.5px;line-height:1.7}
.auth-card code{background:#EEEDE8;padding:1px 5px;border-radius:3px;font-family:var(--mono);font-size:12px}
.auth-card .alert{margin:0 0 16px}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .split{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:1fr}
}
@media (max-width:760px){
  .sidebar{transform:translateX(-100%);transition:transform .2s ease}
  #navtoggle:checked ~ .sidebar{transform:none}
  #navtoggle:checked ~ .scrim{
    display:block;position:fixed;inset:0;background:rgba(21,24,29,.4);z-index:30
  }
  .main{margin-left:0}
  .hamburger{display:flex}
  .topbar{padding:12px 16px}
  .topbar-actions .btn-ghost{display:none}
  .page{padding:16px}
  .alert{margin:12px 16px -4px}
  .grid-2,.grid-4,.form-grid{grid-template-columns:1fr}
  h1{font-size:17px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

@media print{
  .sidebar,.topbar,.form-actions,.btn,.alert{display:none !important}
  .main{margin:0}
  .card{border:0;box-shadow:none}
}

/* ---------- Company switcher ---------- */
.co-switch{padding:0 14px 14px;margin-top:-8px}
.co-switch select{
  margin:0;background:#22262C;border-color:#2E333A;color:#fff;font-size:12.5px;
  padding:6px 8px
}
.co-switch select:focus{border-color:var(--accent);box-shadow:none}
.co-name{
  padding:0 20px 14px;margin-top:-10px;font-size:12px;color:#7A7E85;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap
}

/* ---------- Date range filter ---------- */
.rangebar{
  display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  padding:12px 14px;margin-bottom:18px
}
.rangebar label{margin:0;font-size:12px}
.rangebar input,.rangebar select{margin-top:4px;padding:6px 8px;font-size:13px}
.rangebar .spacer{flex:1}
.range-note{font-size:12px;color:var(--muted)}

/* ---------- Mini bar chart ---------- */
.bars{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:8px}
.bar-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:5px;min-width:0}
.bar{width:100%;background:var(--accent);border-radius:3px 3px 0 0;min-height:2px;transition:opacity .12s}
.bar-col:hover .bar{opacity:.75}
.bar-label{font-size:9.5px;color:var(--muted);white-space:nowrap;font-family:var(--mono)}

/* ---------- Aging ---------- */
.aging{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.age-box{border:1px solid var(--rule);border-radius:6px;padding:11px 12px;background:var(--card)}
.age-box .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:16px;font-weight:600;margin-top:5px}
@media (max-width:760px){.aging{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- Import / export tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.tile{
  border:1px solid var(--rule);border-radius:var(--radius);padding:14px;background:var(--card);
  display:flex;flex-direction:column;gap:8px
}
.tile h3{font-size:13.5px}
.tile p{margin:0;font-size:12.5px;color:var(--muted);flex:1}