:root{
  --bg:#0b1020;
  --panel:#0f172a;
  --card:#0b1226;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --border:rgba(148,163,184,.16);
  --primary:#2563eb;
  --primary2:#1d4ed8;
  --danger:#ef4444;
  --shadow:0 12px 40px rgba(0,0,0,.4);
  --radius:16px;
  --bg1:rgba(37,99,235,.18);
  --bg2:rgba(16,185,129,.12);
}

:root[data-theme="light"]{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --card:#ffffff;
  --muted:#475569;
  --text:#0b1020;
  --border:rgba(15,23,42,.14);
  --primary:#2563eb;
  --primary2:#1d4ed8;
  --danger:#ef4444;
  --shadow:0 12px 32px rgba(15,23,42,.10);
  --bg1:rgba(37,99,235,.10);
  --bg2:rgba(16,185,129,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 20% 10%, var(--bg1), transparent 55%),
             radial-gradient(1200px 800px at 80% 70%, var(--bg2), transparent 55%),
             var(--bg);
  color:var(--text);
}

.app{display:flex; min-height:100vh;}

.sidebar{
  width:280px;
  background:linear-gradient(180deg, rgba(15,23,42,.92), rgba(2,6,23,.85));
  border-right:1px solid var(--border);
  padding:18px;
  position:sticky;
  top:0;
  height:100vh;
  backdrop-filter: blur(10px);
}

.brand{display:flex; gap:12px; align-items:center; padding:8px 8px 16px 8px;}
.brandMark{
  width:44px;height:44px;border-radius:14px;
  background:linear-gradient(135deg, rgba(37,99,235,1), rgba(16,185,129,1));
  display:flex; align-items:center; justify-content:center;
  font-weight:800; letter-spacing:.6px;
}
.brandTitle{font-weight:700; font-size:14px;}
.brandSub{font-size:12px; color:var(--muted); margin-top:2px;}

.nav{display:flex; flex-direction:column; gap:10px; margin-top:6px;}
.navItem{
  appearance:none; border:1px solid transparent;
  background:rgba(148,163,184,.06);
  color:var(--text);
  padding:12px 12px;
  border-radius:14px;
  display:flex; gap:10px; align-items:center;
  cursor:pointer;
  transition: transform .08s ease, background .12s ease, border-color .12s ease;
}
.navItem:hover{background:rgba(148,163,184,.10)}
.navItem:active{transform:translateY(1px)}
.navItem.active{background:rgba(37,99,235,.14); border-color:rgba(37,99,235,.35)}
.navIcon{width:20px; text-align:center;}

.sidebarFooter{position:absolute; left:18px; right:18px; bottom:18px;}
.hint{color:var(--muted); font-size:12px; line-height:1.4;}

.main{flex:1; min-width:0;}
.topbar{
  display:flex; justify-content:space-between; align-items:center;
  padding:16px 18px;
  position:sticky; top:0; z-index:10;
  background:linear-gradient(180deg, rgba(11,16,32,.92), rgba(11,16,32,.55));
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}

.topbarLeft{display:flex; align-items:center; gap:12px;}
.pageTitle{font-weight:800; letter-spacing:.2px;}
.pageSubtitle{color:var(--muted); font-size:12px; margin-top:2px;}

.topbarRight{display:flex; align-items:center; gap:10px;}

.content{padding:18px;}

.grid2{display:grid; grid-template-columns: 1.2fr .8fr; gap:14px; align-items:start;}

.card{
  background:linear-gradient(180deg, rgba(15,23,42,.65), rgba(2,6,23,.55));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card.mini{box-shadow:none; border-radius:14px;}
.cardHeader{display:flex; align-items:flex-start; justify-content:space-between; gap:12px; padding:14px; border-bottom:1px solid var(--border);}
.cardTitle{font-weight:700;}
.cardSub{color:var(--muted); font-size:12px; margin-top:2px;}

.stackH{display:flex; gap:10px; align-items:center;}
.stackV{display:flex; flex-direction:column; gap:10px;}

.inputWrap{position:relative;}
.inputIcon{position:absolute; left:10px; top:50%; transform:translateY(-50%); opacity:.8; font-size:13px;}
.input{
  width:100%;
  padding:10px 12px;
  padding-left:32px;
  background:rgba(2,6,23,.55);
  color:var(--text);
  border:1px solid var(--border);
  border-radius:12px;
  outline:none;
}
.input:focus{border-color:rgba(37,99,235,.5); box-shadow:0 0 0 4px rgba(37,99,235,.18)}

.inputSm{width:120px; padding-left:12px;}

.textarea{
  width:100%;
  padding:10px 12px;
  background:rgba(2,6,23,.55);
  color:var(--text);
  border:1px solid var(--border);
  border-radius:12px;
  outline:none;
  resize:vertical;
}
.textarea:focus{border-color:rgba(37,99,235,.5); box-shadow:0 0 0 4px rgba(37,99,235,.18)}

.select{
  padding:10px 12px;
  background:rgba(2,6,23,.55);
  color:var(--text);
  border:1px solid var(--border);
  border-radius:12px;
  outline:none;
  width:100%;
}

.mono{font-variant-numeric: tabular-nums; font-feature-settings:"tnum" 1, "ss01" 1;}
.muted{color:var(--muted)}

.btn,.btnPrimary,.btnGhost,.btnDanger{
  border:1px solid var(--border);
  background:rgba(148,163,184,.08);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  transition: transform .08s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{background:rgba(148,163,184,.12)}
.btn:active,.btnPrimary:active,.btnGhost:active,.btnDanger:active{transform:translateY(1px)}

.btnPrimary{background:linear-gradient(180deg, rgba(37,99,235,1), rgba(29,78,216,1)); border-color:rgba(37,99,235,.55)}
.btnPrimary:hover{filter:brightness(1.03)}

.btnGhost{background:transparent}
.btnGhost:hover{background:rgba(148,163,184,.08)}

.btnDanger{background:rgba(239,68,68,.12); border-color:rgba(239,68,68,.35)}
.btnDanger:hover{background:rgba(239,68,68,.16)}

.iconBtn{
  width:38px; height:38px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(148,163,184,.08);
  color:var(--text);
  cursor:pointer;
}
.iconBtn:hover{background:rgba(148,163,184,.12)}

.pill{border:1px solid var(--border); background:rgba(148,163,184,.08); padding:8px 10px; border-radius:999px; font-size:12px; color:var(--text)}

.catalog{padding:14px; display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap:10px;}
.productCard{
  border:1px solid var(--border);
  background:rgba(2,6,23,.48);
  border-radius:14px;
  padding:12px;
  cursor:pointer;
  transition: transform .08s ease, border-color .12s ease, background .12s ease;
  min-height:88px;
}
.productCard:hover{background:rgba(2,6,23,.62); border-color:rgba(148,163,184,.24)}
.productCard:active{transform:translateY(1px)}
.productName{font-weight:700; font-size:13px; line-height:1.2;}
.productMeta{display:flex; justify-content:space-between; gap:8px; margin-top:10px; font-size:12px; color:var(--muted)}
.badge{font-size:11px; padding:4px 8px; border-radius:999px; border:1px solid var(--border); background:rgba(148,163,184,.06); color:var(--text)}
.swatch{width:10px; height:10px; border-radius:999px; display:inline-block; margin-right:6px; vertical-align:middle; border:1px solid rgba(255,255,255,.18)}

.cart{padding:14px; display:flex; flex-direction:column; gap:10px; max-height:46vh; overflow:auto;}
.cartItem{border:1px solid var(--border); background:rgba(2,6,23,.48); border-radius:14px; padding:10px; display:flex; justify-content:space-between; gap:10px; align-items:center;}
.cartLeft{min-width:0}
.cartName{font-weight:700; font-size:13px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.cartSub{color:var(--muted); font-size:12px; margin-top:4px}
.cartRight{display:flex; gap:8px; align-items:center;}
.qtyBtn{width:34px; height:34px; border-radius:12px; border:1px solid var(--border); background:rgba(148,163,184,.08); color:var(--text); cursor:pointer;}
.qtyBtn:hover{background:rgba(148,163,184,.12)}
.qty{min-width:28px; text-align:center;}

.totals{padding:14px; border-top:1px solid var(--border);}
.row{display:flex; justify-content:space-between; align-items:center; gap:10px; padding:8px 0;}
.divider{height:1px; background:var(--border); margin:10px 0;}
.total{font-weight:800; font-size:18px;}

.hidden{display:none !important;}

.loginScreen{
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px;
  z-index:50;
  background:radial-gradient(1200px 800px at 20% 10%, rgba(37,99,235,.20), transparent 55%),
             radial-gradient(1200px 800px at 80% 70%, rgba(16,185,129,.14), transparent 55%),
             rgba(11,16,32,.92);
  backdrop-filter: blur(10px);
}

.loginCard{
  width:min(420px, 100%);
  background:linear-gradient(180deg, rgba(15,23,42,.82), rgba(2,6,23,.72));
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow: var(--shadow);
  overflow:hidden;
}

.loginHeader{
  display:flex;
  gap:12px;
  align-items:center;
  padding:16px;
  border-bottom:1px solid var(--border);
}

.loginTitle{font-weight:900; letter-spacing:.2px;}
.loginSub{color:var(--muted); font-size:12px; margin-top:2px;}

.form{padding:14px; display:flex; flex-direction:column; gap:12px;}
.field .label{font-size:12px; color:var(--muted); margin-bottom:6px;}

.table{padding:14px; overflow:auto;}
.tableGrid{width:100%; border-collapse:collapse;}
.tableGrid th,.tableGrid td{padding:10px 10px; border-bottom:1px solid var(--border); font-size:13px; text-align:left;}
.tableGrid th{font-size:12px; color:var(--muted); font-weight:600;}
.tableGrid tr:hover td{background:rgba(148,163,184,.04)}
.trActions{display:flex; gap:8px; align-items:center;}
.linkBtn{border:none; background:transparent; color:#93c5fd; cursor:pointer; padding:0; font-weight:600;}
.linkBtn:hover{text-decoration:underline;}

.stats{display:grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap:10px; padding:14px; border-top:1px solid var(--border)}
.stat{border:1px solid var(--border); background:rgba(2,6,23,.48); border-radius:14px; padding:12px;}
.statLabel{color:var(--muted); font-size:12px;}
.statValue{font-weight:800; font-size:16px; margin-top:6px;}

.overlay{
  position:fixed; inset:0;
  background:rgba(2,6,23,.7);
  backdrop-filter: blur(4px);
  z-index:20;
}

.modal{
  position:fixed;
  left:50%; top:50%; transform:translate(-50%,-50%);
  width:min(980px, calc(100vw - 24px));
  background:linear-gradient(180deg, rgba(15,23,42,.92), rgba(2,6,23,.85));
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow: var(--shadow);
  z-index:21;
}
.modalHeader{display:flex; justify-content:space-between; align-items:flex-start; padding:14px; border-bottom:1px solid var(--border);}
.modalTitle{font-weight:800;}
.modalSub{color:var(--muted); font-size:12px; margin-top:2px;}
.modalBody{padding:14px;}
.modalFooter{display:flex; justify-content:flex-end; gap:10px; padding:14px; border-top:1px solid var(--border);}

.segmented{display:flex; gap:10px; margin:10px 0 12px;}
.segBtn{flex:1; border:1px solid var(--border); background:rgba(148,163,184,.08); color:var(--text); padding:10px 10px; border-radius:12px; cursor:pointer;}
.segBtn.active{background:rgba(37,99,235,.18); border-color:rgba(37,99,235,.45)}

.menuWrap{position:relative;}
.menu{
  position:absolute;
  top:44px;
  right:0;
  min-width:220px;
  background:linear-gradient(180deg, rgba(15,23,42,.96), rgba(2,6,23,.92));
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow: var(--shadow);
  padding:8px;
  z-index:25;
}
.menuItem{
  width:100%;
  text-align:left;
  border:none;
  background:transparent;
  color:var(--text);
  padding:10px 10px;
  border-radius:10px;
  cursor:pointer;
  font-size:13px;
}
.menuItem:hover{background:rgba(148,163,184,.10)}
.menuItem:disabled{opacity:.45; cursor:not-allowed;}

.receipt{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background:rgba(2,6,23,.55);
  border:1px dashed rgba(148,163,184,.28);
  border-radius:14px;
  padding:12px;
  min-height:240px;
  white-space:pre-wrap;
  color:rgba(229,231,235,.92);
  font-size:12px;
  line-height:1.35;
}

.toastWrap{position:fixed; right:16px; bottom:16px; display:flex; flex-direction:column; gap:10px; z-index:30;}
.toast{border:1px solid var(--border); background:linear-gradient(180deg, rgba(15,23,42,.92), rgba(2,6,23,.85)); box-shadow: var(--shadow); padding:12px; border-radius:14px; min-width:280px;}
.toastTitle{font-weight:800; font-size:13px;}
.toastMsg{color:var(--muted); font-size:12px; margin-top:4px;}

.fileInput{display:none}
.fileLabel{display:inline-flex;}

.toggleList{display:flex; flex-direction:column; gap:10px;}
.toggleRow{
  display:flex; gap:12px; align-items:flex-start;
  border:1px solid var(--border);
  background:rgba(2,6,23,.48);
  border-radius:14px;
  padding:12px;
}
.toggleInput{margin-top:3px; transform: scale(1.05);}
.toggleText{display:flex; flex-direction:column; gap:2px;}
.toggleTitle{font-weight:700; font-size:13px;}
.toggleSub{color:var(--muted); font-size:12px; line-height:1.35;}

.labelSm{color:var(--muted); font-size:12px; margin-bottom:8px;}
.logoGrid{display:grid; grid-template-columns: 1fr; gap:12px;}
.logoBox{border:1px solid var(--border); background:rgba(2,6,23,.48); border-radius:14px; padding:12px;}
.logoPreview{
  position:relative;
  width:120px;
  height:120px;
  border-radius:12px;
  border:1px dashed rgba(148,163,184,.28);
  background:rgba(2,6,23,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.logoPreview img{max-width:100%; max-height:100%; display:block;}
.logoPlaceholder{color:var(--muted); font-size:12px; text-align:center; padding:8px;}

.mobileMenuBtn{display:none}

@media (max-width: 980px){
  .grid2{grid-template-columns:1fr;}
  .catalog{grid-template-columns: repeat(2, minmax(0,1fr));}
  .stats{grid-template-columns: repeat(2, minmax(0, 1fr));}
}

@media (max-width: 820px){
  .sidebar{
    position:fixed;
    left:0; top:0; bottom:0;
    transform: translateX(-102%);
    transition: transform .18s ease;
    z-index:40;
  }
  .sidebar.open{transform: translateX(0);}
  .mobileMenuBtn{display:inline-flex; align-items:center; justify-content:center}
}