:root{
  --charcoal:#1E2226; --charcoal-2:#282D33; --steel:#3A4149; --steel-light:#4E5760;
  --paper:#F5F3EE; --paper-2:#EBE8E0; --ink:#23262B; --ink-soft:#6B7078;
  --amber:#E8A33D; --amber-dark:#C6842A; --green:#4A7A5D; --red:#B3503F; --line:#D9D5CA;
}
*{box-sizing:border-box; margin:0; padding:0;}
body{ font-family:'Inter',sans-serif; background:var(--paper); color:var(--ink); min-height:100vh; -webkit-font-smoothing:antialiased; }
.label-caps{ font-family:'Oswald',sans-serif; text-transform:uppercase; letter-spacing:0.08em; font-weight:500; }
.mono{ font-family:'JetBrains Mono',monospace; }

#app{ display:flex; min-height:100vh; }
.sidebar{ width:220px; flex-shrink:0; background:var(--charcoal); color:#fff; display:flex; flex-direction:column; padding:24px 0; }
.brand{ padding:0 20px 24px 20px; border-bottom:1px solid rgba(255,255,255,0.1); margin-bottom:16px; }
.brand .mark{ font-family:'Oswald',sans-serif; font-size:15px; font-weight:700; letter-spacing:0.04em; color:#fff; line-height:1.3; }
.brand .sub{ font-size:10.5px; color:var(--amber); text-transform:uppercase; letter-spacing:0.12em; margin-top:4px; font-family:'Oswald',sans-serif; }
.nav-item{ display:flex; align-items:center; gap:10px; padding:12px 20px; font-size:13px; color:rgba(255,255,255,0.65);
  cursor:pointer; border-left:3px solid transparent; font-family:'Oswald',sans-serif; letter-spacing:0.04em;
  text-transform:uppercase; transition:all .15s; text-decoration:none; }
.nav-item:hover{ color:#fff; background:rgba(255,255,255,0.04); }
.nav-item.active{ color:#fff; border-left-color:var(--amber); background:rgba(232,163,61,0.08); }
.nav-num{ font-family:'JetBrains Mono',monospace; font-size:10px; color:var(--amber); width:14px; }

.main{ flex:1; padding:32px 40px; max-width:1180px; }

h1.page-title{ font-family:'Oswald',sans-serif; font-size:24px; font-weight:600; letter-spacing:0.01em; margin-bottom:4px; }
.page-sub{ color:var(--ink-soft); font-size:13px; margin-bottom:28px; }

.card{ background:#fff; border:1px solid var(--line); border-radius:3px; padding:22px 24px; margin-bottom:20px; }
.card-title{ font-family:'Oswald',sans-serif; font-size:13px; font-weight:600; text-transform:uppercase; letter-spacing:0.07em;
  color:var(--ink); margin-bottom:16px; display:flex; align-items:center; justify-content:space-between; }
.card-title .count{ font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--ink-soft); font-weight:400; text-transform:none; letter-spacing:0; }

.field{ margin-bottom:14px; }
.field label{ display:block; font-size:11px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:5px; font-family:'Oswald',sans-serif; }
input, select, textarea{ width:100%; padding:9px 11px; border:1px solid var(--line); border-radius:2px; font-size:13.5px; font-family:'Inter',sans-serif; background:#fff; color:var(--ink); }
input:focus, select:focus, textarea:focus{ outline:none; border-color:var(--amber-dark); }
input.mono-input, .num-input{ font-family:'JetBrains Mono',monospace; }
.row{ display:flex; gap:14px; }
.row > .field{ flex:1; }

button, .btn{ font-family:'Oswald',sans-serif; letter-spacing:0.04em; text-transform:uppercase; font-size:12px; font-weight:600;
  cursor:pointer; border:none; border-radius:2px; padding:10px 18px; transition:all .15s; display:inline-block; text-decoration:none; }
.btn-primary{ background:var(--charcoal); color:#fff; }
.btn-primary:hover{ background:#000; }
.btn-amber{ background:var(--amber); color:var(--charcoal); }
.btn-amber:hover{ background:var(--amber-dark); color:#fff; }
.btn-ghost{ background:transparent; color:var(--ink-soft); border:1px solid var(--line); }
.btn-ghost:hover{ border-color:var(--ink-soft); color:var(--ink); }
.btn-danger{ background:transparent; color:var(--red); border:1px solid var(--red); }
.btn-danger:hover{ background:var(--red); color:#fff; }
.btn-sm{ padding:6px 12px; font-size:11px; }
button:disabled{ opacity:0.4; cursor:not-allowed; }

table{ width:100%; border-collapse:collapse; }
th{ text-align:left; font-family:'Oswald',sans-serif; font-size:10.5px; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-soft); padding:8px 10px; border-bottom:2px solid var(--charcoal); }
td{ padding:9px 10px; font-size:13px; border-bottom:1px solid var(--line); vertical-align:middle; }
td.mono, .cell-mono{ font-family:'JetBrains Mono',monospace; }
tr:hover td{ background:var(--paper); }
.tag{ display:inline-block; font-size:10px; padding:2px 7px; border-radius:10px; background:var(--paper-2); color:var(--ink-soft); font-family:'Oswald',sans-serif; text-transform:uppercase; letter-spacing:0.04em; }
.icon-btn{ background:none; border:none; cursor:pointer; padding:4px 6px; color:var(--ink-soft); font-size:13px; }
.icon-btn:hover{ color:var(--red); }

/* line items */
.line-item{ border:1px solid var(--line); border-radius:3px; padding:12px 14px; margin-bottom:10px; background:#fff; }
.li-top{ display:flex; gap:10px; margin-bottom:10px; align-items:flex-start; }
.li-top .mat-select{ flex:1; }
.li-top .custom-name{ flex:1; }
.li-bottom{ display:flex; gap:10px; align-items:end; flex-wrap:wrap; }
.li-field{ display:flex; flex-direction:column; gap:4px; }
.li-field label{ font-size:9.5px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.05em; font-family:'Oswald',sans-serif; }
.li-field input, .li-field select{ font-size:12.5px; padding:7px 9px; }
.li-field.dim{ width:72px; }
.li-field.qty-computed{ width:88px; }
.li-field.qty-computed input{ background:var(--paper); color:var(--ink-soft); }
.li-field.price{ width:100px; }
.li-field.wastage{ width:78px; }
.li-total-wrap{ margin-left:auto; text-align:right; }
.li-total-wrap .lt-label{ font-size:9.5px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.05em; font-family:'Oswald',sans-serif; }
.li-total-wrap .lt-val{ font-family:'JetBrains Mono',monospace; font-weight:600; font-size:14px; }
.remove-line{ background:none; border:none; color:var(--ink-soft); cursor:pointer; font-size:16px; padding:6px; }
.remove-line:hover{ color:var(--red); }

.stack-wrap{ margin-top:6px; }
.stack-bar{ display:flex; height:34px; border-radius:2px; overflow:hidden; border:1px solid var(--charcoal); }
.stack-seg{ display:flex; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace; font-size:10px; color:#fff; white-space:nowrap; overflow:hidden; min-width:2px; }
.stack-legend{ display:flex; flex-wrap:wrap; gap:14px; margin-top:10px; }
.legend-item{ display:flex; align-items:center; gap:6px; font-size:11.5px; color:var(--ink-soft); }
.legend-swatch{ width:10px; height:10px; border-radius:2px; }

.breakdown-row{ display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--paper-2); font-size:13.5px; }
.breakdown-row.sub{ padding-left:12px; color:var(--ink-soft); font-size:12.5px; }
.breakdown-row.total{ border-bottom:none; border-top:2px solid var(--charcoal); margin-top:6px; padding-top:14px; font-family:'Oswald',sans-serif; font-size:19px; font-weight:600; }
.breakdown-row .val{ font-family:'JetBrains Mono',monospace; }
.breakdown-row.total .val{ color:var(--amber-dark); }

.two-col{ display:grid; grid-template-columns:1.4fr 1fr; gap:20px; align-items:start; }
@media (max-width: 900px){ .two-col{ grid-template-columns:1fr; } .sidebar{width:70px;} .brand .mark, .brand .sub{display:none;} .nav-item span.txt{display:none;} .main{padding:20px;} }

.empty-state{ text-align:center; padding:40px 20px; color:var(--ink-soft); font-size:13px; }
.empty-state .big{ font-size:32px; margin-bottom:8px; }

.toast{ position:fixed; bottom:24px; right:24px; background:var(--charcoal); color:#fff; padding:12px 20px; border-radius:3px;
  font-size:13px; font-family:'Oswald',sans-serif; letter-spacing:0.03em; box-shadow:0 6px 20px rgba(0,0,0,0.25);
  opacity:0; transform:translateY(10px); transition:all .25s; pointer-events:none; z-index:999; border-left:3px solid var(--amber); }
.toast.show{ opacity:1; transform:translateY(0); }

.saved-card{ display:flex; justify-content:space-between; align-items:center; padding:14px 16px; border:1px solid var(--line);
  border-radius:3px; margin-bottom:10px; transition:all .15s; text-decoration:none; color:inherit; }
.saved-card:hover{ border-color:var(--amber-dark); background:var(--paper); }
.saved-card .qname{ font-weight:600; font-size:14px; }
.saved-card .qmeta{ font-size:11.5px; color:var(--ink-soft); margin-top:3px; font-family:'JetBrains Mono',monospace; }
.saved-card .qtotal{ font-family:'JetBrains Mono',monospace; font-size:16px; font-weight:600; color:var(--amber-dark); }
.saved-actions{ display:flex; gap:6px; margin-top:8px; }

.hint{ font-size:11.5px; color:var(--ink-soft); margin-top:6px; line-height:1.5; }
.alert{ padding:10px 14px; border-radius:2px; font-size:12.5px; margin-bottom:16px; }
.alert-success{ background:#EAF3EC; color:var(--green); border-left:3px solid var(--green); }
.alert-error{ background:#FBEAE7; color:var(--red); border-left:3px solid var(--red); }

.settings-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
::placeholder{ color:#B5B0A2; }

/* Print */
@media print{
  .sidebar, .no-print{ display:none !important; }
  .main{ padding:0; max-width:100%; }
  body{ background:#fff; }
}
.print-header{ display:flex; justify-content:space-between; border-bottom:3px solid #1E2226; padding-bottom:16px; margin-bottom:20px; }
.print-table{ width:100%; border-collapse:collapse; margin:16px 0; }
.print-table th{ background:#1E2226; color:#fff; padding:8px 10px; text-align:left; font-size:11px; text-transform:uppercase; }
.print-table td{ padding:8px 10px; border-bottom:1px solid #ddd; font-size:12.5px; }
.print-total{ text-align:right; font-size:20px; font-weight:700; margin-top:10px; font-family:'JetBrains Mono',monospace; }