/* Referral page only. Use the existing light/dark tokens; never retheme chrome. */
#referralSettings { --rf-muted: var(--sh-ink2); padding: 24px; }
#referralSettings [hidden] { display: none !important; }
#referralSettings .rf-intro { display: flex; gap: 16px; align-items: flex-start; }
#referralSettings .rf-intro h2 { margin: 0 0 7px; font-size: 23px; line-height: 1.2; letter-spacing: -.035em; color: var(--sh-ink); }
#referralSettings .rf-intro p { margin: 0; max-width: 590px; color: var(--rf-muted); font-size: 13px; line-height: 1.6; }
#referralSettings .rf-intro strong { color: var(--sh-ink); }
#referralSettings .rf-reward-mark { flex: 0 0 48px; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--sh-line); border-radius: 14px; background: var(--sh-bg1); color: var(--sh-ink); font-size: 18px; font-weight: 750; }
#referralSettings .rf-steps { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 0; margin: 22px 0; list-style: none; }
#referralSettings .rf-steps li { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--rf-muted); }
#referralSettings .rf-steps li > span { display: grid; place-items: center; width: 21px; height: 21px; flex-shrink: 0; border: 1px solid var(--sh-line); border-radius: 50%; color: var(--sh-ink); font-size: 10px; }
#referralSettings .rf-state { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 13px 15px; border: 1px solid var(--sh-line); border-radius: 10px; background: var(--sh-bg1); margin-bottom: 18px; }
#referralSettings .rf-state[data-state="ready"] { padding: 0; border: 0; background: transparent; margin-bottom: 14px; }
#referralSettings #referralMessage { margin: 0; flex: 1 1 230px; font-size: 13px; line-height: 1.6; color: var(--rf-muted); }
#referralSettings .rf-spinner { width: 16px; height: 16px; border: 2px solid var(--sh-line); border-top-color: var(--sh-ink); border-radius: 50%; animation: rf-spin .75s linear infinite; }
#referralSettings .rf-state:not([data-state="loading"]) .rf-spinner { display: none; }
#referralSettings .rf-invite { padding: 16px; border: 1px solid var(--sh-line); border-radius: 12px; background: var(--sh-bg1); }
#referralSettings .rf-section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
#referralSettings h3 { color: var(--sh-ink); font-size: 14px; margin: 0; }
#referralSettings .rf-section-head > span { color: var(--rf-muted); font-size: 11px; }
#referralSettings .rf-link-row { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; }
#referralSettings #referralLink { margin: 0; flex: 1 1 240px; width: auto; min-width: 0; min-height: 44px; border-radius: 8px; background: var(--sh-bg2); padding: 10px 12px; }
#referralSettings .ig-btn { min-height: 44px; padding: 10px 15px; font-size: 12px; }
#referralSettings .ig-btn:focus-visible, #referralSettings #referralLink:focus-visible { outline: 2px solid var(--sh-ink); outline-offset: 3px; }
#referralSettings .ig-btn:disabled { opacity: .55; cursor: not-allowed; }
#referralSettings .rf-feedback { min-height: 0; margin: 0; font-size: 12px; color: var(--rf-muted); line-height: 1.6; }
#referralSettings .rf-feedback:not(:empty) { margin-top: 10px; }
#referralSettings .rf-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 16px 0 10px; }
#referralSettings .rf-stats > div { padding: 14px; min-width: 0; border: 1px solid var(--sh-line); border-radius: 10px; }
#referralSettings .rf-stats span { display: block; color: var(--rf-muted); font-size: 11px; margin-bottom: 7px; }
#referralSettings .rf-stats strong { font-size: 23px; font-weight: 650; line-height: 1.2; color: var(--sh-ink); overflow-wrap: anywhere; }
#referralSettings .rf-caption { color: var(--rf-muted); font-size: 12px; line-height: 1.6; margin: 0; }
#referralSettings .rf-notice { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 18px 0; padding: 15px; border: 1px solid var(--sh-line); border-radius: 10px; background: var(--sh-bg1); }
#referralSettings .rf-notice > div { flex: 1 1 240px; }
#referralSettings .rf-notice strong { font-size: 13px; color: var(--sh-ink); }
#referralSettings .rf-notice p { margin: 5px 0 0; font-size: 12px; line-height: 1.6; color: var(--rf-muted); }
#referralSettings #referralVerificationMessage, #referralSettings #referralConfirmMessage { flex: 1 1 100%; margin: 0; }
#referralSettings .rf-history { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--sh-line); }
#referralSettings #referralHistoryList { list-style: none; margin: 0; padding: 0; }
#referralSettings .rf-history-row { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--sh-line); }
#referralSettings .rf-history-row > div { min-width: 0; }
#referralSettings .rf-history-row strong { display: block; font-size: 13px; color: var(--sh-ink); overflow-wrap: anywhere; }
#referralSettings .rf-history-row small { display: block; color: var(--rf-muted); font-size: 11px; margin-top: 5px; line-height: 1.5; }
#referralSettings .rf-status { flex-shrink: 0; max-width: 48%; padding: 5px 8px; border: 1px solid var(--sh-line); border-radius: 6px; font-size: 10px; line-height: 1.4; color: var(--sh-ink); text-align: right; }
#referralSettings .rf-status[data-status="rewarded"] { color: var(--sc-success, var(--sh-ink)); }
#referralSettings #moreReferralHistory, #referralSettings #retryReferralHistory { margin-top: 14px; }
#referralSettings .rf-fine-print { margin: 24px 0 0; padding-top: 16px; border-top: 1px solid var(--sh-line); color: var(--rf-muted); font-size: 11px; line-height: 1.7; }
#referralSettings .rf-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@keyframes rf-spin { to { transform: rotate(360deg); } }
@media (max-width: 640px) {
  #referralSettings { padding: 16px; }
  #referralSettings .rf-intro { gap: 12px; }
  #referralSettings .rf-intro h2 { font-size: 19px; }
  #referralSettings .rf-reward-mark { width: 40px; height: 40px; flex-basis: 40px; font-size: 16px; border-radius: 11px; }
  #referralSettings .rf-steps { gap: 10px; flex-direction: column; margin: 18px 0; }
  #referralSettings .rf-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #referralSettings .rf-invite { padding: 13px; }
  #referralSettings #referralLink { flex-basis: 100%; }
  #referralSettings .rf-link-row .ig-btn { flex: 1; }
  #referralSettings .rf-notice .ig-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { #referralSettings .rf-spinner { animation: none; } }