/* ══════════════════════════════════════════════════════════
   REFERRAL PAGE
   ══════════════════════════════════════════════════════════ */
.referral-section {
  padding: var(--sp-4) var(--sp-5) calc(148px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.referral-hero-panel,
.referral-link-panel,
.referral-stats-panel,
.referral-network-panel,
.business-referral-card {
  background: var(--section-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
}
.referral-hero-panel h2 {
  font-size: var(--fs-xl);
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-2);
}
.referral-hero-panel p {
  color: var(--hint);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-4);
}
.referral-link-panel,
.business-referral-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.referral-field-row,
.business-referral-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--border);
}
.referral-field-row span,
.business-referral-top span,
.referral-link-label {
  color: var(--hint);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
}
.referral-field-row strong,
.business-referral-top strong {
  min-width: 0;
  color: var(--text);
  font-size: var(--fs-sm);
  text-align: right;
  overflow-wrap: anywhere;
}
.referral-link-label {
  display: block;
  margin-top: var(--sp-1);
}
.referral-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
}
@media (min-width: 520px) {
  .referral-actions { grid-template-columns: 1fr 1fr; }
}
.referral-network-panel h3 {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-3);
}
.ref-link-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-xs);
  font-family: monospace;
  word-break: break-all;
  color: var(--text);
}
.ref-link-box.muted { color: var(--hint); }
.referral-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}
.referral-stats.compact {
  gap: var(--sp-2);
}
.referral-stats.compact span,
.referral-stat {
  min-height: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--sage-soft);
  border-radius: var(--r-md);
  color: var(--sage);
  text-align: center;
}
.referral-stats.compact span {
  min-height: 62px;
  font-size: var(--fs-xs);
}
.referral-stats.compact strong,
.referral-stat strong {
  color: var(--sage);
  font-size: var(--fs-lg);
  line-height: 1;
}
.referral-stat span {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}
.referrer-strip {
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.referrer-strip span,
.referrer-strip small,
.ref-network-note {
  color: var(--hint);
  font-size: var(--fs-xs);
}
.referrer-strip strong {
  font-size: var(--fs-sm);
}
.ref-network-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.ref-network-node {
  --depth: 1;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-3);
  margin-left: calc((var(--depth) - 1) * 14px);
  padding: var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
}
.ref-node-level {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  background: var(--blue-soft);
  color: var(--blue);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
}
.ref-node-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ref-node-copy strong {
  font-size: var(--fs-sm);
  line-height: var(--lh-tight);
  overflow-wrap: anywhere;
}
.ref-node-copy small,
.ref-node-id,
.ref-network-empty {
  color: var(--hint);
  font-size: var(--fs-xs);
  line-height: var(--lh-normal);
}
.ref-node-id {
  white-space: nowrap;
}
.ref-network-empty {
  padding: var(--sp-5);
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  background: var(--bg2);
  text-align: center;
}
@media (max-width: 420px) {
  .ref-network-node {
    grid-template-columns: 30px minmax(0, 1fr);
  }
  .ref-node-id {
    grid-column: 2;
    white-space: normal;
  }
}