:root{
  --bg:#F1EDE8; --card:#FBF9F6; --sidebar:#E6DFD7; --line:#DDD5CC; --line-soft:#E9E3DB; --field:#D3CAC0;
  --text:#3A3632; --muted:#6B635C; --soft:#5A534D;
  --sage:#5E7262; --sage-dark:#3F5744; --sage-tint:#DCE4DD; --sage-wash:#E8EEE9;
  --rose:#9A5548; --rose-line:#DDBEB6; --rose-tint:#EBDDD6; --rose-text:#7A4A3F;
  --blue-tint:#DAE1E7; --blue-text:#3E5362;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.45}
a{color:var(--sage);text-decoration:none}
a:hover{text-decoration:underline}
h1{margin:0;font-size:26px;letter-spacing:-.01em}
h2{margin:0;font-size:18px}

.app{display:flex;min-height:100vh}
.sidebar{width:220px;flex:none;background:var(--sidebar);padding:28px 16px;display:flex;flex-direction:column;gap:6px}
.brand{font-weight:700;font-size:16px;padding:0 12px 20px;letter-spacing:-.01em}
.nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--muted);font-weight:500;text-decoration:none;border:1px solid transparent}
.nav a:hover{color:var(--text)}
.nav a.active{background:var(--card);color:var(--text);font-weight:600;border-color:#D9D0C6}
.sidebar .spacer{flex:1}
.main{flex:1;min-width:0;padding:32px 36px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:4px}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
.card + .card{margin-top:20px}
.card.flush{padding:0;overflow:hidden}

.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 18px;border-radius:8px;border:1px solid var(--sage);background:var(--sage);color:#fff;font:600 14px inherit;font-family:inherit;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--sage-dark);border-color:var(--sage-dark);text-decoration:none}
.btn.ghost{background:#fff;color:var(--sage)}
.btn.ghost:hover{background:var(--sage-wash)}
.btn.plain{background:#fff;color:var(--text);border-color:var(--field)}
.btn.plain:hover{background:var(--bg)}
.btn.danger{background:#fff;color:var(--rose);border-color:var(--rose-line)}
.btn.danger:hover{background:var(--rose-tint)}
.btn.small{height:36px;padding:0 12px;font-size:13px}

label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
input[type=text],input[type=date],input[type=number],input[type=password],input[type=email],select,textarea{
  width:100%;height:44px;border:1px solid var(--field);border-radius:8px;padding:0 12px;font:400 14px inherit;font-family:inherit;color:var(--text);background:#fff}
textarea{height:auto;min-height:72px;padding:10px 12px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--sage-tint);border-color:var(--sage)}
.field{display:flex;flex-direction:column;margin-bottom:14px}
.field label{margin-bottom:6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.hint{color:var(--muted);font-size:13px;margin-top:6px}

.flash{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-weight:500}
.flash.ok{background:var(--sage-tint);color:var(--sage-dark)}
.flash.err{background:var(--rose-tint);color:var(--rose-text)}

table.list{width:100%;border-collapse:collapse}
table.list th{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 20px;border-bottom:1px solid var(--line)}
table.list td{padding:16px 20px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
table.list tr:last-child td{border-bottom:0}
table.list tr.sel td{background:var(--sage-wash)}
table.list .r{text-align:right}
table.list .num{font-variant-numeric:tabular-nums;font-weight:600}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.foot{padding:14px 20px;color:var(--muted);font-size:13px;border-top:1px solid var(--line-soft)}

.pill{display:inline-block;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:600}
.pill.commercial{background:var(--sage-tint);color:var(--sage-dark)}
.pill.invoice{background:var(--blue-tint);color:var(--blue-text)}
.pill.debit{background:var(--rose-tint);color:var(--rose-text)}

.chips{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.chip{height:36px;padding:0 16px;border-radius:18px;border:1px solid var(--field);background:#fff;display:inline-flex;align-items:center;color:var(--text);text-decoration:none}
.chip.on{background:var(--sage);border-color:var(--sage);color:#fff;font-weight:600}
.chips .grow{flex:1}
.searchbox{width:280px}
.actions{display:flex;gap:14px;justify-content:flex-end;font-weight:600}
.actions form{display:inline}
.linkbtn{background:none;border:0;padding:0;font:600 14px inherit;font-family:inherit;color:var(--rose);cursor:pointer}

.split{display:flex;gap:20px;align-items:flex-start}
.split .left{flex:1;min-width:0}
.split .right{width:380px;flex:none}
.btnrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}

.lines{width:100%;border-collapse:collapse}
.lines th{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 10px;border-bottom:1px solid var(--line)}
.lines td{padding:10px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
.lines th:first-child,.lines td:first-child{padding-left:20px}
.lines th:last-child,.lines td:last-child{padding-right:20px;width:60px}
.lines .r,.lines td input.r{text-align:right}
.lines .amt{text-align:right;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.x{width:44px;height:44px;border:0;background:transparent;color:var(--rose);font:600 20px inherit;cursor:pointer}
.addline{padding:14px 20px}
.totals{width:340px;margin-left:auto;display:flex;flex-direction:column;gap:12px}
.totals .row{display:flex;justify-content:space-between;color:var(--soft)}
.totals .grand{display:flex;justify-content:space-between;font-size:18px;font-weight:700;color:var(--text);border-top:1px solid var(--line);padding-top:12px}

.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login .card{width:100%;max-width:380px}

@media (max-width:900px){
  .app{flex-direction:column}
  .sidebar{width:auto;flex-direction:row;align-items:center;padding:12px 16px;gap:4px;overflow-x:auto}
  .brand{padding:0 12px 0 0}
  .sidebar .spacer{display:none}
  .main{padding:20px 16px}
  .split{flex-direction:column}
  .split .right{width:100%}
  .grid3{grid-template-columns:1fr}
  .searchbox{width:100%}
  .totals{width:100%}
  .card.flush{overflow-x:auto}
}

/* Float */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat .k{font-size:12px;color:var(--soft);font-weight:600;margin-bottom:4px}
.stat .v{font-size:18px;font-weight:700}
.neg{color:var(--rose-text)}
.pill.topup{background:var(--sage-tint);color:var(--sage-dark)}
.pill.payment{background:var(--rose-tint);color:var(--rose-text)}
.seg{display:flex;gap:8px;margin-bottom:14px}
.seg label{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);border-radius:10px;padding:10px;font-weight:600;cursor:pointer;margin:0}
.seg input{width:auto;height:auto}
@media(max-width:900px){.stats{grid-template-columns:1fr 1fr}}