:root { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; }
body { margin:0; background:#0b0f14; color:#e8eef7; }

.topbar{
  position: sticky; top:0; z-index: 100;
  display:flex; align-items:center; gap:12px;
  padding:14px 16px;
  background:#0d121a;
  border-bottom:1px solid #1d2a3a;
}
.brand { display:flex; flex-direction:column; gap:4px; }
.brand-title { font-weight:900; font-size:16px; }
.brand-subtitle { font-size:12px; opacity:.75; }

.cartbtn{
  margin-left:auto;
  border:1px solid #27405f;
  background:#101826;
  color:#e8eef7;
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  display:flex; align-items:center; gap:8px;
}
.badge {
  display:inline-flex; min-width:22px; height:18px;
  align-items:center; justify-content:center;
  padding:0 6px; border-radius:999px;
  background:#2c7be5; font-size:12px; font-weight:800;
}

.screen { padding:16px; }
.hidden { display:none; }

h1 { margin: 10px 0 0 0; font-size: 32px; letter-spacing: .3px; }

.grid { display:grid; grid-template-columns: 1fr; gap:12px; margin-top:14px; }
.card { background:#101826; border:1px solid #1b2a3f; padding:14px; border-radius:14px; cursor:pointer; }
.card:hover { border-color:#2a4365; }
.card .icon { font-size:22px; }
.card .t { font-weight:900; margin-top:6px; }

.row { display:flex; align-items:center; gap:10px; }
.btn { border:1px solid #27405f; background:#101826; color:#e8eef7; padding:10px 12px; border-radius:12px; cursor:pointer; }
.btn:active { transform: scale(0.98); }
.btn.danger { border-color:#7f1d1d; background:#1a0f12; }
.btn.ok { background:#1f7a4a; border-color:#1f7a4a; }

.select, .search, textarea {
  width:100%;
  background:#0f1724;
  color:#e8eef7;
  border:1px solid #1b2a3f;
  border-radius:12px;
  padding:10px 12px;
}

.sticky-tools{
  position: sticky;
  top: 62px; /* под topbar */
  z-index: 50;
  padding: 12px 0;
  background: linear-gradient(#0b0f14 70%, rgba(11,15,20,0));
  border-bottom: 1px dashed rgba(42,67,101,0.35);
}

.catalog { margin-top:10px; }
.small { font-size:12px; opacity:.8; }
.muted { font-size:12px; opacity:.75; margin-top:10px; }
.errorbox{
  border:1px solid #7f1d1d;
  background: rgba(127,29,29,0.15);
  border-radius:12px;
  padding:12px;
  margin-top:12px;
}

/* tabs */
.tabs { display:flex; gap:10px; justify-content:center; margin:12px 0 10px 0; flex-wrap:wrap; }
.tab {
  border:1px solid #27405f;
  background:#101826;
  color:#e8eef7;
  padding:10px 14px;
  border-radius:999px;
  cursor:pointer;
  font-weight:900;
  letter-spacing:0.5px;
}
.tab.active { background:#2c7be5; border-color:#2c7be5; }
.tab.disabled { opacity:0.45; cursor:not-allowed; }

/* supplier blocks */
.supplier { margin-top:14px; padding-bottom:12px; border-bottom:1px solid rgba(27,42,63,0.75); }
.sup-head{
  display:flex; align-items:center; gap:10px;
  user-select:none;
  padding:12px 12px;
  border-radius:14px;
  background:#0e1623;
  border:1px solid #1b2a3f;
}
.sup-head:hover{ border-color:#2a4365; }
.sup-title{ font-weight:900; }
.sup-count{ margin-left:auto; opacity:.85; font-size:12px; }
.sup-actions{ display:flex; gap:8px; align-items:center; margin-left:auto; }

.pill{
  font-size:11px;
  padding:3px 8px;
  border-radius:999px;
  border:1px solid #2a4365;
  white-space:nowrap;
}
.pill.req{ border-color:#ef4444; color:#ffd0d0; }
.pill.next{ border-color:#60a5fa; color:#cfe7ff; }
.pill.cart{ border-color:#22c55e; color:#bff7cf; }

.sup-body{ margin-top:10px; padding: 10px; border-radius:14px; border:1px solid rgba(27,42,63,0.7); background:#0c131f; }
.sup-body.collapsed{ display:none; }

/* item rows */
.item{
  display:flex; gap:10px; align-items:center;
  padding:10px;
  border:1px solid #1b2a3f;
  border-radius:12px;
  background:#0f1724;
  margin-bottom:10px;
}
.qty { display:flex; align-items:center; gap:8px; margin-left:auto; }
.qbtn {
  width:40px; height:40px;
  border-radius:12px;
  border:1px solid #27405f;
  background:#101826;
  color:#e8eef7;
  cursor:pointer;
  font-size:18px;
  font-weight:900;
}
.qbtn.flash { outline: 2px solid rgba(96,165,250,0.8); box-shadow: 0 0 0 4px rgba(44,123,229,0.2); }
.qval { min-width:34px; text-align:center; font-weight:900; font-size:16px; }

.rec{ margin-top:6px; font-size:12px; opacity:.9; }

.smallbtn { padding:8px 10px; font-size:12px; }

/* cart panel */
.cartpanel{
  margin-top:16px;
  border:1px solid #2a4365;
  border-radius:18px;
  padding:12px;
  background:#0e1623;
  box-shadow: 0 8px 26px rgba(0,0,0,0.25);
}
.carthead { display:flex; align-items:center; gap:10px; padding: 6px 4px 12px 4px; border-bottom:1px solid rgba(42,67,101,0.4); }
.carttitle { font-weight:1000; font-size:18px; letter-spacing: 0.2px; }
.cartactions{ margin-top:12px; display:flex; gap:10px; flex-wrap:wrap; }
.cartactions .btn{ flex:1; }

.cartline{
  display:flex; align-items:center; gap:10px;
}
.cartqty{
  margin-left:auto;
  font-weight:1000;
  font-size:18px;
  padding:6px 10px;
  border-radius:12px;
  border:1px solid rgba(96,165,250,0.5);
  background: rgba(44,123,229,0.12);
}

/* returns (tara) */
.returns-wrap{
  margin-top:10px;
  padding:10px;
  border-radius:14px;
  border:1px dashed rgba(96,165,250,0.5);
  background: rgba(44,123,229,0.06);
}
.returns-wrap textarea{ min-height: 56px; }

/* toast */
.toast{
  position:fixed; left:16px; right:16px; bottom:16px;
  background:#111c2d;
  border:1px solid #2a4365;
  padding:12px;
  border-radius:12px;
  z-index:150;
}
.hidden { display:none; }

/* scroll buttons */
.scrollfab{
  position: fixed;
  right: 14px;
  bottom: 88px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 120;
}
.fab{
  width:46px; height:46px;
  border-radius:16px;
  border:1px solid rgba(96,165,250,0.55);
  background: rgba(16,24,38,0.95);
  color: #e8eef7;
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 10px 26px rgba(0,0,0,0.28);
}
.fab:active{ transform: scale(0.97); }