/* Referral Program — floating button + modal */

.referral-fab {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  z-index: 9000;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem 0.65rem 0.85rem;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(0, 184, 230, 0.95), rgba(0, 120, 180, 0.95));
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.35), 0 0 0 1px rgba(255,255,255,0.08) inset;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: referral-rock 5s ease-in-out infinite;
}

.referral-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45);
}

.referral-fab-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.referral-fab-label {
  line-height: 1;
}

@keyframes referral-rock {
  0%, 88%, 100% { transform: rotate(0deg); }
  90% { transform: rotate(-4deg); }
  92% { transform: rotate(4deg); }
  94% { transform: rotate(-3deg); }
  96% { transform: rotate(3deg); }
  98% { transform: rotate(0deg); }
}

.referral-modal {
  max-width: 520px;
}

.referral-modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.referral-modal-icon {
  width: 28px;
  height: 28px;
  fill: var(--accent);
  flex-shrink: 0;
}

.referral-modal-body {
  min-height: 120px;
}

.referral-loading {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 0;
}

.referral-hero-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.referral-hero-text strong {
  color: var(--success);
  font-weight: 700;
}

.referral-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.referral-stat {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.referral-stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

.referral-stat-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--text);
  line-height: 1.1;
}

.referral-stat-earnings {
  color: var(--success);
}

.referral-stat-claimable {
  border-color: rgba(74, 222, 128, 0.45);
  background: rgba(74, 222, 128, 0.08);
}

.referral-claim-block {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.referral-claim-warn {
  color: var(--warning) !important;
}

.referral-code-row,
.referral-link-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.referral-code-row .form-input,
.referral-link-row .form-input {
  flex: 1;
  min-width: 140px;
}

@media (max-width: 480px) {
  .referral-fab {
    bottom: 1rem;
    left: 1rem;
    padding: 0.55rem 0.85rem;
  }

  .referral-fab-label {
    display: none;
  }

  .referral-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.referral-landing-notice {
  position: fixed;
  top: 5.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  max-width: 420px;
  width: calc(100% - 2rem);
  background: var(--panel-bg);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.referral-landing-notice p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

.referral-landing-notice strong {
  color: var(--accent);
}