:root{
  --sf-brand: #cb0606;
  --sf-text: #111827;
  --sf-muted: rgba(17,24,39,0.70);
}

/* Trigger button (in merchant header) */
.merchant-grouporder-trigger{
  appearance:none;
  border: 1px solid rgba(17,24,39,0.14);
  background: #ffffff;
  color: var(--sf-text);
  font-weight: 800;
  padding: 8px 12px;
  border-radius: 999px;
  line-height: 1;
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, transform .16s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.merchant-grouporder-trigger:hover{
  background: #f3f4f6;
  border-color: rgba(17,24,39,0.18);
}
.merchant-grouporder-trigger:active{
  transform: translateY(1px);
}

/* Overlay */
body.merchant-grouporder-open{
  overflow: hidden;
}
.merchant-grouporder-overlay{
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
}
.merchant-grouporder-overlay.is-open{
  display: block;
}
.merchant-grouporder-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(17,24,39,0.55);
}
.merchant-grouporder-dialog{
  position: relative;
  width: min(640px, calc(100vw - 28px));
  margin: 9vh auto 0;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 26px 70px rgba(0,0,0,0.35);
  overflow: hidden;
}
.merchant-grouporder-topbar{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid rgba(17,24,39,0.08);
  background: linear-gradient(180deg, rgba(203,6,6,0.06), rgba(255,255,255,0));
}
.merchant-grouporder-title{
  font-weight: 900;
  font-size: 18px;
  color: var(--sf-text);
}
.merchant-grouporder-subtitle{
  margin-top: 6px;
  font-weight: 800;
  color: var(--sf-muted);
  font-size: 13px;
}
.merchant-grouporder-close{
  appearance:none;
  border: 1px solid rgba(17,24,39,0.10);
  background: #fff;
  color: var(--sf-text);
  width: 38px;
  height: 38px;
  border-radius: 999px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 22px;
  line-height: 1;
}
.merchant-grouporder-close:hover{
  border-color: rgba(17,24,39,0.18);
}

.merchant-grouporder-body{
  padding: 14px 16px 18px;
}
.merchant-grouporder-steps{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.merchant-grouporder-step{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(17,24,39,0.08);
  background: #fff;
  box-shadow: 0 8px 20px rgba(17,24,39,0.06);
}
.merchant-grouporder-stepnum{
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  background: rgba(203,6,6,0.10);
  color: var(--sf-brand);
  border: 1px solid rgba(203,6,6,0.14);
}
.merchant-grouporder-steptext{
  font-weight: 900;
  color: var(--sf-text);
  font-size: 13px;
}

.merchant-grouporder-field{
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(17,24,39,0.08);
  background: #fff;
  box-shadow: 0 8px 20px rgba(17,24,39,0.06);
}
.merchant-grouporder-label{
  display:block;
  font-weight: 900;
  color: var(--sf-text);
  margin-bottom: 8px;
}
.merchant-grouporder-inputrow{
  display:flex;
  gap: 10px;
  align-items: center;
}
.merchant-grouporder-input{
  flex: 1;
  min-width: 0;
  border-radius: 12px;
  border: 1px solid rgba(17,24,39,0.12);
  padding: 12px 12px;
  font-weight: 700;
  color: var(--sf-text);
  background: #ffffff;
}
.merchant-grouporder-copy{
  appearance:none;
  border: 1px solid rgba(17,24,39,0.14);
  background: #111827;
  color: #fff;
  font-weight: 900;
  border-radius: 12px;
  padding: 12px 14px;
  cursor:pointer;
}
.merchant-grouporder-copy:hover{
  opacity: .92;
}
.merchant-grouporder-help{
  margin-top: 10px;
  color: var(--sf-muted);
  font-weight: 800;
  font-size: 13px;
}
.merchant-grouporder-status{
  margin-top: 12px;
  font-weight: 900;
  color: var(--sf-text);
  font-size: 13px;
}
.merchant-grouporder-status.ok{ color: #0b6623; }
.merchant-grouporder-status.err{ color: #8b0000; }

@media (max-width: 576px){
  .merchant-grouporder-dialog{
    width: calc(100vw - 16px);
    margin: 6vh auto 0;
    border-radius: 14px;
  }
  .merchant-grouporder-body{
    padding: 12px 12px 14px;
  }
  .merchant-grouporder-inputrow{
    flex-direction: column;
    align-items: stretch;
  }
  .merchant-grouporder-copy{
    width: 100%;
  }
}