/* Full-screen friendly */
html, body {
  margin: 0;
  padding: 0;
  background: #0b1220;
  color: #e8eefc;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

#onhand-wallboard {
  padding: 18px;
}

.owb-topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 6px 0 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.owb-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.owb-meta {
  font-size: 16px;
  opacity: 0.9;
  white-space: nowrap;
}
.owb-dot { margin: 0 8px; opacity: 0.6; }

.owb-grid {
  display: grid;
  gap: 14px;
  margin-top: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Adjust columns by screen width */
@media (max-width: 1600px) {
  .owb-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1200px) {
  .owb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.owb-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  overflow: hidden;
  min-height: 180px;
}

.owb-card-h {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.owb-driver {
  font-size: 22px;
  font-weight: 800;
}

.owb-count {
  font-size: 16px;
  opacity: 0.85;
}

.owb-rows {
  padding: 10px 12px 12px 12px;
}

.owb-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 12px;
  margin-bottom: 8px;
  background: rgba(0,0,0,0.20);
  border: 1px solid rgba(255,255,255,0.06);
}

.owb-row.stale {
  border-color: rgba(255, 186, 0, 0.45);
  box-shadow: 0 0 0 1px rgba(255, 186, 0, 0.12) inset;
}

.owb-id {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.owb-sub {
  font-size: 14px;
  opacity: 0.75;
  margin-top: 2px;
}

.owb-right {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.owb-badge {
  font-size: 14px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
}

/* Phase colors */
.owb-badge.ok   { background: rgba(0, 200, 120, 0.20); }
.owb-badge.warn { background: rgba(255, 186, 0, 0.20); }
.owb-badge.mid  { background: rgba(80, 150, 255, 0.20); }
.owb-badge.new  { background: rgba(180, 90, 255, 0.18); }

.owb-age {
  font-size: 16px;
  opacity: 0.9;
  font-weight: 700;
}

.owb-empty {
  padding: 18px 8px;
  opacity: 0.8;
  font-size: 16px;
}

.owb-footer {
  margin-top: 12px;
  font-size: 13px;
  opacity: 0.6;
  text-align: right;
}