* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-background: #ffffff;
  --color-foreground: #262626;
  --color-primary: #1b1486;
  --color-accent: #ee11d5;
  --color-border: #e5e5e5;
  --color-muted: #737373;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
}

body {
  font-family: var(--font-sans);
  color: var(--color-foreground);
  background-color: var(--color-background);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-bottom: 3rem;
}

.header-content {
  text-align: center;
}

.site-title {
  text-decoration: none;
  color: var(--color-foreground);
}

.site-title h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.site-description {
  color: var(--color-muted);
  font-size: 1rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-top: 4rem;
  text-align: center;
  color: var(--color-muted);
}

/* Home Page */
.home-page {
  padding: 2rem 0;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.post-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.post-card:hover {
  border-color: var(--color-primary);
}

.post-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.post-card h2 a {
  color: var(--color-foreground);
  text-decoration: none;
}

.post-card h2 a:hover {
  color: var(--color-primary);
}

.post-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.excerpt {
  margin-bottom: 1rem;
  color: var(--color-muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  background-color: var(--color-border);
  color: var(--color-foreground);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
}

.read-more {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.read-more:hover {
  color: var(--color-accent);
}

/* Transcript Page */
.transcript-page {
  padding: 2rem 0;
}

.transcript-header {
  margin-bottom: 2rem;
}

.back-link {
  display: inline-block;
  color: var(--color-primary);
  text-decoration: none;
  margin-bottom: 1rem;
  font-weight: 500;
}

.back-link:hover {
  color: var(--color-accent);
}

.transcript-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.video-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--color-muted);
}

.video-container {
  margin-bottom: 2rem;
}

.video-embed {

}

.video-link {
  display: flex;
  justify-content: center; /* Horizontally centers children */
  align-items: center;    /* Vertically centers children */
  background-color: var(--color-primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.2s;
}

.video-link:hover {
  background-color: var(--color-accent);
}

/* Transcript Controls */
.transcript-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 1rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.clear-btn {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-border);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
}

.clear-btn:hover {
  background-color: var(--color-muted);
  color: white;
}

/* Transcript Content */
.transcript-content {
  background-color: #fafafa;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
}

.transcript-line {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background-color: white;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.transcript-line:hover {
  background-color: #f5f5f5;
}

.transcript-timestamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  cursor: pointer;
  text-decoration: none;
}

.transcript-timestamp:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.transcript-text {
  line-height: 1.8;
}

.highlight {
  background-color: #fef08a;
  padding: 0.125rem 0;
  border-radius: 2px;
}

/* Responsive */
@media (max-width: 768px) {
  .posts-grid {
    grid-template-columns: 1fr;
  }

  .transcript-header h1 {
    font-size: 2rem;
  }

  .transcript-controls {
    flex-direction: column;
  }
}