/* Unified blog article styles built on theme tokens */

/* Base */
* { box-sizing: border-box; }
html, body { background: var(--color-bg); color: var(--color-text); }
body { font-family: var(--font-sans); line-height: var(--lh-base); }

/* Layout */
.ds-container, .container { max-width: 800px; margin: 0 auto; padding: var(--space-8) var(--space-5); }

/* Headers */
.header-section, .main-header, .ds-article-header { 
  text-align: center; 
  margin-bottom: var(--space-8); 
  padding: var(--space-6) var(--space-4); 
  background: var(--color-surface-muted); 
  border: 1px solid var(--color-border); 
}
.ds-article-header--no-bg { background: transparent; border: none; }
.header-section h1, .main-header h1, .ds-article-title { 
  color: var(--color-text); 
  font-size: var(--fs-2xl); 
  font-weight: 600; 
  margin-bottom: var(--space-3); 
}
.header-description, .main-header .tagline, .ds-article-subtitle { color: var(--color-text-muted); font-size: var(--fs-lg); }
.date, .ds-article-date { color: var(--color-text-soft); font-size: var(--fs-sm); margin-top: var(--space-2); text-align: center; }

/* Section titles */
.section-header { text-align: center; margin-bottom: var(--space-6); }
.section-title, .content-block h2, .comparison-section h2, .ds-section-title { color: var(--color-text); font-size: var(--fs-xl); font-weight: 600; }
.section-subtitle, .ds-section-subtitle { color: var(--color-text-muted); font-size: var(--fs-base); }
.content-block h3, .best-practices h3, .technical-details h3, .ds-subtitle { color: var(--color-text); font-size: 1.15rem; font-weight: 600; }

/* Paragraphs */
.content-block p, p { margin-bottom: var(--space-4); }

/* Cards / blocks */
.content-block, .platform-card, .practice-item, .scenario-card, .ds-card, .ds-block {
  background: transparent;
  border: none;
  padding: 0;
  margin: var(--space-6) 0;
}
.tip-box, .truth-box, .ds-tip {
  background: transparent;
  border-left: 3px solid var(--color-warning);
  padding: var(--space-4) var(--space-4);
}
.technical-details, .ds-info { background: transparent; border: none; padding: 0; margin: var(--space-6) 0; }
.conclusion-section, .ds-cta {
  background: transparent;
  color: var(--color-text);
  padding: var(--space-6) var(--space-4);
  text-align: center;
}
.action-button, .ds-btn {
  display: inline-block;
  background: transparent;
  color: var(--color-text);
  padding: var(--space-3) var(--space-5);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.ds-btn:hover { background: var(--color-surface-muted); }

/* Image wrappers */
.image-container, .image-display, .image-reference, .ds-image { text-align: center; margin: var(--space-6) 0; padding: 0; background: transparent; border: none; }
.image-container img, .image-display img, .image-reference img, .ds-image img { max-width: 100%; height: auto; border: none; }

/* Tables */
.comparison-table, .data-table, .specs-table, .ds-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-6) 0;
  background: transparent;
  border: none;
}
.comparison-table th, .data-table th, .specs-table th, .ds-table th {
  background: transparent;
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--color-divider);
}
.comparison-table td, .data-table td, .specs-table td, .ds-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
}
.comparison-table tr:nth-child(even), .data-table tr:nth-child(even), .specs-table tr:nth-child(even), .ds-table tr:nth-child(even) { background: transparent; }
.highlight-cell, .format-supported, .format-preferred, .format-limited, .format-not-supported { font-weight: 600; }
.format-supported { color: var(--color-success); }
.format-preferred { color: var(--color-primary); }
.format-limited { color: var(--color-warning); }
.format-not-supported { color: var(--color-danger); }

/* Normalize more legacy article blocks: remove gray frames and add spacing */
.method-card, .steps, .tips, .problem-section, .solution-header, .intro, .intro-summary, .quick-reference {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  margin: var(--space-6) 0 !important;
}

/* Add vertical rhythm between top-level blocks in article content */
.ds-container > * + * { margin-top: var(--space-6); }

/* Links inside article content */
.ds-container a { color: var(--color-text); text-decoration: underline; text-underline-offset: 2px; }

/* Standardized CTA styles (as in audio-conversion-guide) */
.cta-section { background: #F0F7FF; padding: 20px 30px; text-align: center; border-radius: 6px; margin: var(--space-8) 0; }
.cta-section h2 { margin-bottom: var(--space-3); }
.cta-section p { margin-bottom: var(--space-3); }
.cta-button { display: inline-block; background: #2196F3; color: #fff; padding: 12px 24px; text-decoration: none; border-radius: 4px; font-weight: 600; }
.cta-button:hover { background: #1976D2; }

/* Remove underline and make button text white per request */
.cta-button, .action-button, .ds-btn { text-decoration: none !important; color: #fff !important; }

/* Grids */
.practices-grid, .detail-grid, .ds-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); }
.scenarios-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-4); }
.platforms-container, .reference-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }

/* Responsive */
@media (max-width: 768px) {
  .container, .ds-container { padding: var(--space-5) var(--space-4); }
  .header-section h1, .main-header h1, .ds-article-title { font-size: 1.75rem; }
  .comparison-table th, .comparison-table td, .data-table th, .data-table td, .specs-table th, .specs-table td, .ds-table th, .ds-table td { padding: 8px 6px; font-size: 0.9em; }
}

/* Headings default spacing inside articles */
.ds-container h2 { margin: var(--space-6) 0 var(--space-3); }
.ds-container h3 { margin: var(--space-4) 0 var(--space-2); }