body { background:#eef2f7; color:#1d2736; }
.top-shell { background:#fff; border-bottom:1px solid #d9e2ef; }
.brand-pill { background:#eaf3ff; color:#214d88; border:1px solid #9dc0ef; padding:8px 12px; border-radius:6px; font-weight:600; }
.tabbar { background:#f7f9fc; border-bottom:1px solid #d9e2ef; }
.tabbtn { display:inline-block; background:#2f7fd5; color:#fff; text-decoration:none; padding:9px 16px; border-radius:6px 6px 0 0; margin-right:4px; font-weight:500; }
.tabbtn.active, .tabbtn:hover { background:#1c66b3; color:#fff; }
.panel-card { background:#fff; border:1px solid #d9e2ef; border-radius:8px; padding:16px; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.metric-card { background:#fff; border:1px solid #d9e2ef; border-radius:8px; padding:16px; min-height:110px; }
.metric-card.teal { background:#14b8c4; color:#fff; }
.metric-card .metric-label { color:#64748b; font-size:13px; text-transform:uppercase; letter-spacing:.03em; }
.metric-card.teal .metric-label { color:rgba(255,255,255,.8); }
.metric-card .metric-value { font-size:32px; font-weight:700; margin-top:8px; }
.stat-box { border:1px solid #e2e8f0; border-radius:8px; padding:14px; background:#f8fbff; min-height:96px; }
.subpanel { border:1px solid #e2e8f0; border-radius:8px; padding:14px; background:#fafcff; }
.seller-body { background:#dfe7f0; }
.seller-sidebar { width:240px; background:#1e2630; color:#fff; }
.seller-link { display:block; color:#d7e5f7; text-decoration:none; padding:10px 12px; border-radius:6px; margin-bottom:6px; }
.seller-link.active, .seller-link:hover { background:#1cb5c2; color:#fff; }
.table td, .table th { vertical-align:middle; }

/* Top navigation: single-row nav + logout pinned right */
.portal-nav-shell {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.portal-top-nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  flex: 1 1 auto;
  min-width: 0;
  padding-bottom: 2px;
}

.portal-top-nav .btn {
  flex: 0 0 auto;
  min-width: 92px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.portal-nav-logout {
  flex: 0 0 auto;
  margin-left: auto;
}

.portal-nav-logout .btn {
  min-width: 92px;
}

@media (max-width: 900px) {
  .portal-nav-shell {
    gap: 0.5rem;
  }

  .portal-top-nav .btn {
    min-width: auto;
  }
}

/* tighter top nav for iPad */
.portal-nav-shell {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.portal-top-nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  flex: 1 1 auto;
  min-width: 0;
  padding-bottom: 2px;
}

.portal-top-nav .btn,
.portal-nav-logout .btn {
  flex: 0 0 auto;
  min-width: auto;
  white-space: nowrap;
  padding: 0.25rem 0.55rem;
  font-size: 0.84rem;
}

.portal-nav-logout {
  flex: 0 0 auto;
  margin-left: auto;
}