/**
 * NATIVE AD STYLES
 * Cloned from Tax Letter Help - DO NOT MODIFY STRUCTURE
 * 
 * These styles ensure ads:
 * - Never appear above the fold
 * - Never interfere with CTAs
 * - Maintain trust and professionalism
 * - Are clearly labeled as sponsored
 */

/* Base ad container styles */
.native-ad {
  margin: 40px auto;
  padding: 20px;
  max-width: 800px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  clear: both;
}

/* Ad label - required for compliance */
.ad-label {
  font-size: 0.75rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 12px 0;
  font-weight: 600;
}

/* Post-content ad - primary placement */
.post-content-ad {
  margin-top: 60px;
  margin-bottom: 40px;
}

/* Exit/scroll-end ad - desktop only */
.exit-grid-ad {
  margin-top: 40px;
  margin-bottom: 60px;
}

/* Mobile footer sticky ad */
.mobile-footer-ad {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  margin: 0;
  padding: 12px;
  background: #ffffff;
  border-top: 2px solid #e2e8f0;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  max-width: 100%;
  border-radius: 0;
}

/* Close button for mobile footer ad */
.ad-close-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background: #64748b;
  color: #ffffff;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 0;
}

.ad-close-btn:hover {
  background: #475569;
}

/* Device-specific visibility */
.desktop-only {
  display: block;
}

.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .desktop-only {
    display: none;
  }
  
  .mobile-only {
    display: block;
  }
  
  /* Adjust spacing on mobile */
  .native-ad {
    margin: 30px auto;
    padding: 16px;
  }
  
  .post-content-ad {
    margin-top: 40px;
    margin-bottom: 30px;
  }
  
  /* Add padding to body when mobile footer ad is visible */
  body.mobile-ad-visible {
    padding-bottom: 120px;
  }
}

/* Hidden state */
.native-ad.ad-hidden {
  display: none !important;
}

/* Loading state */
.native-ad.ad-loading {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.native-ad.ad-loading::after {
  content: '';
  width: 40px;
  height: 40px;
  border: 3px solid #e2e8f0;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: ad-spinner 0.8s linear infinite;
}

@keyframes ad-spinner {
  to { transform: rotate(360deg); }
}

/* Ensure ads don't interfere with main CTAs */
.native-ad + a[href*="payment"],
.native-ad + a[href*="checkout"],
.native-ad + div > a[href*="payment"],
.native-ad + div > a[href*="checkout"] {
  margin-top: 40px;
}

/* Dark mode support for IRS Audit Response theme */
@media (prefers-color-scheme: dark) {
  .native-ad {
    background: #1e293b;
    border-color: #334155;
  }
  
  .mobile-footer-ad {
    background: #1e293b;
    border-top-color: #334155;
  }
}