/**
 * SEO Checker Upgrade Styles
 * Enhanced UI for SEO Checker page
 */

/* Feature Grid (What This Checks) */
.seo-checker-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

@media (min-width: 640px) {
  .seo-checker-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .seo-checker-features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.seo-checker-feature-card {
  padding: 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.seo-checker-feature-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 150, 255, 0.1);
}

.seo-checker-feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: var(--color-text);
}

.seo-checker-feature-card p {
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
  opacity: 0.8;
  color: var(--color-text);
}

/* Empty State Preview Mock */
.seo-checker-empty-state {
  padding: 24px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.seo-checker-preview-section {
  margin-bottom: 32px;
}

.seo-checker-preview-section:last-child {
  margin-bottom: 0;
}

.seo-checker-preview-section h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--color-text);
}

/* Google Snippet Preview Mock */
.seo-checker-serp-preview {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
  max-width: 600px;
}

html[data-theme="dark"] .seo-checker-serp-preview {
  background: #1e293b;
}

.seo-checker-serp-title {
  font-size: 20px;
  color: #1a0dab;
  margin-bottom: 4px;
  line-height: 1.3;
}

html[data-theme="dark"] .seo-checker-serp-title {
  color: #8bb4f8;
}

.seo-checker-serp-url {
  font-size: 14px;
  color: #006621;
  margin-bottom: 8px;
}

html[data-theme="dark"] .seo-checker-serp-url {
  color: #34d399;
}

.seo-checker-serp-desc {
  font-size: 14px;
  color: #545454;
  line-height: 1.5;
}

html[data-theme="dark"] .seo-checker-serp-desc {
  color: #cbd5e1;
}

/* Social Preview Mock */
.seo-checker-social-preview {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  max-width: 500px;
  background: var(--color-bg);
}

.seo-checker-social-image {
  width: 100%;
  height: 200px;
  background: var(--color-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  opacity: 0.5;
  font-size: 14px;
}

.seo-checker-social-text {
  padding: 16px;
}

.seo-checker-social-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.seo-checker-social-desc {
  font-size: 14px;
  line-height: 1.4;
  opacity: 0.8;
  color: var(--color-text);
}

/* Quick Status Badges */
.seo-checker-status-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.seo-checker-status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--color-soft);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--color-text);
}

.seo-checker-status-badge .status-icon {
  font-size: 16px;
}

.seo-checker-status-badge.status-good .status-icon {
  color: #22c55e;
}

.seo-checker-status-badge.status-warn .status-icon {
  color: #f59e0b;
}

/* When to Use Section */
.seo-checker-when-to-use {
  margin-top: 48px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.seo-checker-when-to-use h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--color-text);
}

.seo-checker-when-to-use ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px 0;
}

.seo-checker-when-to-use li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
}

.seo-checker-when-to-use li::before {
  content: '•';
  position: absolute;
  left: 8px;
  color: var(--color-accent);
  font-weight: bold;
}

.seo-checker-when-to-use .tip-text {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.85;
  color: var(--color-text);
}

.seo-checker-when-to-use .tip-text a {
  color: var(--color-accent);
  text-decoration: none;
}

.seo-checker-when-to-use .tip-text a:hover {
  text-decoration: underline;
}

/* Helper Text */
.seo-checker-helper-text {
  margin-top: 8px;
  font-size: 13px;
  opacity: 0.7;
  color: var(--color-text);
}

/* Hide empty state when results exist */
.tool-results.has-results .seo-checker-empty-state {
  display: none;
}