:root {
  --md-primary-fg-color: #1565c0;
  --md-accent-fg-color: #00b8d4;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color: #0d1117;
  --md-default-fg-color--light: #8b949e;
  --md-code-bg-color: #161b22;
}

.md-header {
  backdrop-filter: blur(10px);
}

.md-typeset h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.md-typeset h2 {
  font-weight: 600;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  padding-bottom: 0.4em;
}

/* Dashboard grid cards */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.grid-cards .card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.2s ease;
  background: var(--md-code-bg-color);
}

.grid-cards .card:hover {
  border-color: var(--md-accent-fg-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.grid-cards .card h3 {
  margin-top: 0;
  color: var(--md-accent-fg-color);
}

.grid-cards .card p {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
}

/* Stats bar */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--md-code-bg-color);
  border-radius: 8px;
  border: 1px solid var(--md-default-fg-color--lightest);
}

.stats-bar .stat {
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.stats-bar .stat .number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--md-accent-fg-color);
  line-height: 1.2;
}

.stats-bar .stat .label {
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Topic level badges */
.level-badge {
  display: inline-block;
  padding: 0.15em 0.6em;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

.level-badge.beginner {
  background: rgba(46, 160, 67, 0.15);
  color: #2ea043;
}

.level-badge.intermediate {
  background: rgba(210, 153, 34, 0.15);
  color: #d29922;
}

.level-badge.advanced {
  background: rgba(218, 54, 51, 0.15);
  color: #da3633;
}

/* Interview tip callout */
.md-typeset .admonition.interview,
.md-typeset details.interview {
  border-color: #7c3aed;
}

.md-typeset .interview > .admonition-title,
.md-typeset .interview > summary {
  background-color: rgba(124, 58, 237, 0.1);
}

.md-typeset .interview > .admonition-title::before,
.md-typeset .interview > summary::before {
  background-color: #7c3aed;
  -webkit-mask-image: var(--md-admonition-icon--tip);
  mask-image: var(--md-admonition-icon--tip);
}

/* Better code block styling */
.md-typeset pre > code {
  border-radius: 6px;
}

.md-typeset .tabbed-labels > label {
  font-size: 0.8rem;
  font-weight: 500;
}

/* Quick reference tag styling */
.md-typeset .tag {
  font-size: 0.7rem;
}

/* Responsive improvements */
@media screen and (max-width: 768px) {
  .grid-cards {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    gap: 1rem;
  }
  .stats-bar .stat .number {
    font-size: 1.5rem;
  }
}