:root {
  --agent-content-width: 920px;
  --agent-radius: 14px;
  --agent-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

.md-grid {
  max-width: 1480px;
}

.md-main,
.md-main__inner,
.md-content,
.md-content__inner {
  min-width: 0;
  max-width: 100%;
}

.md-content__inner {
  max-width: var(--agent-content-width);
  margin-left: auto;
  margin-right: auto;
  padding-bottom: 4rem;
}

.md-typeset {
  max-width: 100%;
  font-size: 0.88rem;
  line-height: 1.85;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.md-typeset h1 {
  margin-bottom: 0.9rem;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.md-typeset h2 {
  margin-top: 2.35em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.md-typeset h3 {
  margin-top: 1.75em;
}

.md-typeset p,
.md-typeset li {
  max-width: 76ch;
}

.md-typeset blockquote {
  border-left-width: 0.2rem;
  border-radius: 0 0.35rem 0.35rem 0;
  padding: 0.6rem 1rem;
  background: color-mix(in srgb, var(--md-primary-fg-color) 5%, transparent);
}

.md-typeset .highlight,
.md-typeset pre {
  max-width: 100%;
}

.md-typeset pre {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.md-typeset pre > code {
  font-size: 0.82rem;
  line-height: 1.6;
}

.md-typeset code {
  overflow-wrap: normal;
  word-break: normal;
}

.md-typeset table:not([class]) {
  display: table;
  width: 100%;
  border-radius: 0.45rem;
  overflow: hidden;
}

.md-nav__title,
.md-nav__item .md-nav__link {
  line-height: 1.45;
}

.md-sidebar--primary .md-nav__link--active {
  font-weight: 700;
}

.stat-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.2rem 0 2rem;
}

.stat-grid > div,
.study-card,
.learning-panel {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--agent-radius);
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--md-default-bg-color) 96%, var(--md-primary-fg-color)),
    var(--md-default-bg-color)
  );
  box-shadow: var(--agent-shadow);
}

.stat-grid > div,
.study-card {
  padding: 1.05rem 1.15rem;
}

.stat-grid strong {
  display: block;
  font-size: 1.9rem;
  line-height: 1.15;
  color: var(--md-primary-fg-color);
}

.stat-grid span {
  display: block;
  margin-top: 0.35rem;
  color: var(--md-default-fg-color--light);
}

.study-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.study-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
}

.study-card h3 {
  margin-top: 0;
}

.learning-panel {
  margin: 1.4rem 0 2rem;
  padding: 1.15rem;
}

.learning-progress__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.55rem;
  font-size: 0.82rem;
  color: var(--md-default-fg-color--light);
}

.learning-progress__bar {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--md-default-fg-color--lightest);
}

.learning-progress__bar > span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--md-primary-fg-color), var(--md-accent-fg-color));
  transition: width 0.25s ease;
}

.learning-actions,
.question-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.learning-button,
.question-action {
  appearance: none;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
}

.learning-button--primary,
.question-action--mastered {
  border-color: var(--md-primary-fg-color);
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
}

.question-actions {
  margin: -0.25rem 0 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.question-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  border-radius: 999px;
  padding: 0 0.75rem;
  background: color-mix(in srgb, var(--md-primary-fg-color) 11%, transparent);
  color: var(--md-primary-fg-color);
  font-weight: 750;
}

/* Mermaid diagrams */
.md-typeset .mermaid {
  max-width: 100%;
  margin: 1.4rem 0;
  overflow-x: auto;
  text-align: center;
  overscroll-behavior-inline: contain;
}

.md-typeset .mermaid svg {
  display: inline-block;
  max-width: 100%;
  height: auto;
}

@media screen and (max-width: 960px) {
  .stat-grid,
  .card-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .md-typeset table:not([class]) {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media screen and (max-width: 600px) {
  .md-content__inner {
    margin: 0;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
    padding-bottom: 3rem;
  }

  .md-typeset {
    width: 100%;
    font-size: 0.93rem;
    line-height: 1.78;
  }

  .md-typeset p,
  .md-typeset li {
    max-width: 100%;
  }

  .md-typeset ul,
  .md-typeset ol {
    padding-left: 1.35rem;
  }

  .md-typeset li {
    padding-left: 0.1rem;
  }

  .md-typeset h1 {
    font-size: 1.55rem;
    line-height: 1.3;
  }

  .md-typeset h2 {
    margin-top: 2em;
    font-size: 1.24rem;
    line-height: 1.4;
  }

  .md-typeset h3 {
    font-size: 1.06rem;
    line-height: 1.5;
  }

  .md-typeset .highlight,
  .md-typeset pre {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    border-radius: 0.45rem;
  }

  .md-typeset .highlight {
    overflow: hidden;
  }

  .md-typeset .highlight pre {
    margin-top: 0;
    margin-bottom: 0;
    border-radius: inherit;
  }

  .md-typeset pre > code {
    font-size: 0.78rem;
    line-height: 1.55;
  }

  .md-typeset blockquote {
    margin-left: 0;
    margin-right: 0;
    padding: 0.55rem 0.8rem;
  }

  .learning-panel,
  .study-card,
  .stat-grid > div {
    max-width: 100%;
  }

  .learning-actions,
  .question-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .learning-button,
  .question-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    text-align: center;
  }

  .md-typeset .mermaid {
    margin-left: 0;
    margin-right: 0;
  }
}