/* ============================================================
   SmartNewsAI — Referral Blocks (T-Bank)
   Scoped styles: sn-ref-*
   ============================================================ */

/* --- Container --- */
.sn-ref-block {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: 1px solid #dee2e6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 100%;
  box-sizing: border-box;
}

.sn-ref-block--inline {
  margin: 1rem 0;
}

.sn-ref-block--footer {
  margin: 2rem 0 1rem;
  background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
  border-color: #ffc107;
}

/* --- Label / Header --- */
.sn-ref__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6c757d;
  margin-bottom: 0.75rem;
}

.sn-ref__label::before {
  content: "💡";
  font-size: 0.875rem;
}

.sn-ref-block--footer .sn-ref__label::before {
  content: "🔗";
}

/* --- Text --- */
.sn-ref__text {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: #212529;
  margin: 0 0 0.875rem;
}

.sn-ref__text strong {
  color: #000;
  font-weight: 600;
}

/* --- Button --- */
.sn-ref__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.sn-ref__btn:hover {
  background: #333;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.sn-ref__btn::after {
  content: "→";
  transition: transform 0.2s ease;
}

.sn-ref__btn:hover::after {
  transform: translateX(3px);
}

/* --- Disclaimer --- */
.sn-ref__disclaimer {
  margin-top: 0.75rem;
  font-size: 0.6875rem;
  color: #adb5bd;
  line-height: 1.4;
}

.sn-ref__ad-label {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  background: #e9ecef;
  border-radius: 4px;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #6c757d;
  margin-bottom: 0.5rem;
}

/* --- Footer tools block --- */
.sn-ref-tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.sn-ref-tool {
  padding: 1rem;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #dee2e6;
}

.sn-ref-tool__title {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  color: #212529;
}

.sn-ref-tool__desc {
  font-size: 0.8125rem;
  color: #6c757d;
  margin: 0 0 0.75rem;
  line-height: 1.4;
}

/* --- Mobile --- */
@media (max-width: 640px) {
  .sn-ref-block {
    padding: 1rem;
    margin: 1rem 0;
  }
  
  .sn-ref__btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
  }
  
  .sn-ref-tools {
    grid-template-columns: 1fr;
  }
  
  .sn-ref__text {
    font-size: 0.875rem;
  }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .sn-ref__btn,
  .sn-ref__btn::after {
    transition: none;
  }
}