:root{
  --bg: #141210;
  --bg-panel: #1c1a17;
  --bg-input: #24211d;
  --border: #34302a;
  --gold: #C9A96E;
  --gold-dim: #8f7a52;
  --text: #ece7dd;
  --text-dim: #a89f8f;
  --text-faint: #6e6658;
  --red: #c96e6e;
  --green: #7fb06a;
  --radius: 3px;
}
*{box-sizing:border-box;}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family: Georgia, 'Times New Roman', serif;
  -webkit-font-smoothing:antialiased;
}
.sans{ font-family: 'Segoe UI', Arial, Helvetica, sans-serif; }
header{
  padding: 30px 24px 18px; text-align:center;
  border-bottom:1px solid var(--border);
}
header h1{
  margin:0; font-weight:400; font-size:26px; letter-spacing:2px;
  color:var(--gold); text-transform:uppercase;
}
header p{
  margin:6px 0 0; font-family:'Segoe UI',Arial,sans-serif; font-size:12px;
  color:var(--text-dim); letter-spacing:.5px;
}
nav{
  display:flex; justify-content:center; gap:2px; margin-top:18px; flex-wrap:wrap;
  font-family:'Segoe UI',Arial,sans-serif;
}
nav button{
  background:none; border:1px solid var(--border); color:var(--text-dim);
  padding:8px 16px; cursor:pointer; font-size:12.5px; letter-spacing:.5px;
}
nav button.active{ color:var(--gold); border-color:var(--gold-dim); background:var(--bg-panel); }
nav button:hover{ color:var(--gold); }

main{ max-width: 1040px; margin: 0 auto; padding: 26px 20px 80px; }
.view{ display:none; }
.view.active{ display:block; }

.panel{
  background:var(--bg-panel); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px 22px; margin-bottom:18px;
}
.panel h2{
  margin:0 0 4px; font-size:15.5px; font-weight:400; color:var(--gold); letter-spacing:.5px;
}
.panel .sub{ font-family:'Segoe UI',Arial,sans-serif; font-size:11.5px; color:var(--text-faint); margin-bottom:16px; }

label{ display:block; font-family:'Segoe UI',Arial,sans-serif; font-size:11px; color:var(--text-dim); margin-bottom:5px; letter-spacing:.3px;}
input, select, textarea{
  width:100%; background:var(--bg-input); border:1px solid var(--border); color:var(--text);
  padding:8px 10px; border-radius:var(--radius); font-family:'Segoe UI',Arial,sans-serif; font-size:13px;
}
input:focus, select:focus, textarea:focus{ outline:none; border-color:var(--gold-dim); }

.btn{
  background:none; border:1px solid var(--gold-dim); color:var(--gold);
  padding:9px 18px; border-radius:var(--radius); cursor:pointer;
  font-family:'Segoe UI',Arial,sans-serif; font-size:12.5px; letter-spacing:.5px;
}
.btn:hover{ background:rgba(201,169,110,.08); }
.btn.ghost{ border-color:var(--border); color:var(--text-dim); }
.btn.primary{ background:var(--gold); color:#141210; border-color:var(--gold); font-weight:600;}
.btn.primary:hover{ background:#dcb984; }
.btn:disabled{ opacity:.4; cursor:not-allowed; }

.muted{ color:var(--text-faint); font-family:'Segoe UI',Arial,sans-serif; font-size:13px;}

.grid{ display:grid; gap:12px; }
.grid-2{ grid-template-columns: 1fr 1fr; }
.grid-3{ grid-template-columns: 1fr 1fr 1fr; }
@media(max-width:640px){ .grid-3{ grid-template-columns:1fr 1fr; } }
.field{ margin-bottom:0; }

.row-actions{ display:flex; gap:8px; margin-top:14px; flex-wrap:wrap; align-items:center; }

table{ width:100%; border-collapse:collapse; font-family:'Segoe UI',Arial,sans-serif; font-size:12.5px; }
th{ text-align:left; color:var(--text-faint); font-weight:400; font-size:10.5px; text-transform:uppercase; letter-spacing:.4px; padding:7px 7px; border-bottom:1px solid var(--border);}
td{ padding:6px 7px; border-bottom:1px solid var(--border); vertical-align:middle; }
td input, td select{ padding:6px 7px; font-size:12.5px; }
tr:last-child td{ border-bottom:none; }

.btn.small{ padding:5px 11px; font-size:11.5px; }
.btn.danger{ border-color:#5c3a3a; color:var(--red); }
.btn.danger:hover{ background:rgba(201,110,110,.08); }

details.group{ margin-bottom:14px; border:1px solid var(--border); border-radius:var(--radius); background:var(--bg-panel); overflow:hidden; }
details.group summary{
  padding:14px 20px; cursor:pointer; color:var(--gold); font-size:15px; letter-spacing:.5px;
  list-style:none; font-family:Georgia,serif;
}
details.group summary::-webkit-details-marker{ display:none; }
details.group summary::before{ content:'▸ '; color:var(--gold-dim); }
details.group[open] summary::before{ content:'▾ '; }
details.group .group-inner{ padding:0 20px 18px; }
.cat-block{ margin-top:14px; }
.cat-block .cat-title{
  font-family:'Segoe UI',Arial,sans-serif; font-size:11px; color:var(--gold-dim);
  text-transform:uppercase; letter-spacing:.6px; margin-bottom:8px;
}
.size-subhead{
  font-family:'Segoe UI',Arial,sans-serif; font-size:11.5px; color:var(--gold-dim);
  text-transform:uppercase; letter-spacing:.6px; margin:16px 0 8px; padding-top:12px; border-top:1px dashed var(--border);
}
.size-subhead:first-child{ border-top:none; padding-top:0; margin-top:0; }

.size-results{ display:grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap:14px; margin-top:6px; }
.size-card{
  border:1px solid var(--border); border-radius:var(--radius); padding:16px;
  background:var(--bg-input);
}
.size-card h3{
  margin:0 0 12px; font-size:14px; color:var(--gold); font-weight:400; letter-spacing:.5px;
  border-bottom:1px solid var(--border); padding-bottom:10px;
}
.line{ display:flex; justify-content:space-between; font-family:'Segoe UI',Arial,sans-serif; font-size:12.5px; color:var(--text-dim); margin-bottom:6px; gap:10px; }
.line span{ flex:1; }
.line b{ color:var(--text); font-weight:600; white-space:nowrap; }
.line.total{ margin-top:10px; padding-top:10px; border-top:1px dashed var(--border); font-size:14px; color:var(--text); }
.line.total b{ color:var(--gold); font-size:16px; }
.line.profit b{ color:var(--green); }
.line.profit.neg b{ color:var(--red); }
.line.ok b{ color:var(--green); }
.line.bad b{ color:var(--red); }

.tag{ display:inline-block; background:var(--bg-input); border:1px solid var(--border); color:var(--text-faint); font-family:'Segoe UI',Arial,sans-serif; font-size:10.5px; padding:2px 7px; border-radius:20px; letter-spacing:.3px;}
.badge-ok{ color:var(--green); }
.badge-bad{ color:var(--red); font-weight:600; }

.toolbar{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; margin-bottom:14px;}
.saved-list{ display:flex; flex-direction:column; gap:10px; }
.saved-item{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  border:1px solid var(--border); border-radius:var(--radius); padding:14px 16px; background:var(--bg-input);
}
.saved-item .name{ font-size:15px; color:var(--text); }
.saved-item .meta{ font-family:'Segoe UI',Arial,sans-serif; font-size:11.5px; color:var(--text-faint); margin-top:3px;}
.saved-item .costs{ display:flex; gap:18px; font-family:'Segoe UI',Arial,sans-serif; }
.saved-item .costs div{ text-align:right; }
.saved-item .costs span{ display:block; font-size:10px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.5px;}
.saved-item .costs b{ color:var(--gold); font-size:14px; font-weight:600; }

.empty{ text-align:center; padding:44px 20px; color:var(--text-faint); font-family:'Segoe UI',Arial,sans-serif; font-size:13px;}

.subnav{ display:flex; gap:6px; margin-bottom:16px; font-family:'Segoe UI',Arial,sans-serif; }
.subnav button{
  background:none; border:1px solid var(--border); color:var(--text-dim);
  padding:7px 14px; cursor:pointer; font-size:12px; border-radius:var(--radius);
}
.subnav button.active{ color:var(--gold); border-color:var(--gold-dim); background:var(--bg-panel); }

#print-template{ display:none; }
.warning-box{ border:1px solid #5c3a3a; background:rgba(201,110,110,.08); border-radius:var(--radius); padding:14px 18px; margin-bottom:18px; }
.warning-box .title{ color:var(--red); font-weight:600; margin-bottom:8px; font-family:'Segoe UI',Arial,sans-serif; font-size:13px; }
.warning-box ul{ margin:0; padding-left:18px; font-family:'Segoe UI',Arial,sans-serif; font-size:12.5px; color:var(--text-dim); }
#p-lines-table.hide-sale .sale-col{ display:none; }

@media print{
  nav, .row-actions, .toolbar .btn, header p, .subnav { display:none !important; }
  body{ background:#fff; color:#000; }
  .panel{ border:1px solid #ccc; background:#fff; }
  body.printing-record > *:not(#print-template){ display:none !important; }
  body.printing-record #print-template{ display:block !important; color:#1a1a1a; }
}

.toast{
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%);
  background:var(--gold); color:#141210; padding:10px 20px; border-radius:var(--radius);
  font-family:'Segoe UI',Arial,sans-serif; font-size:13px; font-weight:600;
  opacity:0; pointer-events:none; transition:opacity .25s, transform .25s; z-index:99;
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(-6px); }

.login-wrap{ max-width:360px; margin:80px auto; padding:0 20px; }
.login-wrap .field{ margin-bottom:14px; }
.error-msg{ color:var(--red); font-family:'Segoe UI',Arial,sans-serif; font-size:12.5px; margin-top:10px; min-height:16px; }
.switch-mode{ text-align:center; margin-top:16px; font-family:'Segoe UI',Arial,sans-serif; font-size:12.5px; color:var(--text-dim); }
.switch-mode a{ color:var(--gold); cursor:pointer; text-decoration:none; }

footer{ text-align:center; padding:20px; color:var(--text-faint); font-family:'Segoe UI',Arial,sans-serif; font-size:11px; }