.formatted-text-page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 36px 20px 64px;
}

.formatted-hero {
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface-muted);
  box-shadow: var(--shadow-md);
  margin-bottom: 28px;
}

.formatted-hero .mini-pill {
  width: max-content;
  margin-bottom: 16px;
  background-color: #fff;
}

.formatted-hero h1 {
  max-width: 820px;
  font-size: clamp(32px, 5vw, 54px);
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.formatted-hero p {
  max-width: 760px;
  font-size: 17px;
  line-height: 1.65;
}

.formatted-hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.formatted-section {
  margin-top: 28px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 28px;
}

.formatted-section-header {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 22px;
}

.formatted-section-header h2 {
  font-size: 28px;
  letter-spacing: -0.02em;
}

.formatted-section-header p {
  font-size: 15px;
  line-height: 1.65;
}

.formatted-overview-card {
  display: grid;
  gap: 18px;
}

.formatted-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.formatted-feature-grid div,
.formatted-code-tips div,
.formatted-math-rules div,
.formatted-tip-card,
.formatted-image-card > div {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.formatted-feature-grid strong,
.formatted-code-tips strong,
.formatted-math-rules strong,
.formatted-tip-card strong,
.formatted-image-card h3 {
  display: block;
  color: var(--text);
  font-size: 14px;
  font-weight: 850;
  margin-bottom: 6px;
}

.formatted-feature-grid span,
.formatted-code-tips span,
.formatted-tip-card span,
.formatted-image-card p,
.formatted-image-card li {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.55;
}

.formatted-note {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--primary-soft);
  color: #4f46e5;
  font-size: 14px;
  font-weight: 750;
}

.formatted-example-list {
  display: grid;
  gap: 18px;
}

.formatted-example-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
}

.formatted-example-title-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid #f1f1f4;
  background: var(--surface-soft);
}

.formatted-example-title-row h3 {
  font-size: 16px;
}

.formatted-copy-btn {
  border: 0;
  border-radius: 999px;
  padding: 7px 11px;
  background: var(--surface-muted);
  color: #5b4ee6;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
}

.formatted-copy-btn:hover {
  background: #e8e2ff;
}

.formatted-copy-btn.is-copied {
  background: #dcfce7;
  color: #166534;
}

.formatted-example-description {
  padding: 12px 18px 0;
  font-size: 13px;
}

.formatted-example-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.formatted-example-input,
.formatted-example-output {
  min-width: 0;
  padding: 18px;
}

.formatted-example-input {
  border-right: 1px solid #f1f1f4;
  background: var(--surface-muted);
}

.formatted-example-label {
  margin-bottom: 10px;
  color: #000;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.formatted-example-input .formatted-example-label {
  color: #000;
}

.formatted-example-input pre {
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  color: var(--primary);
  font-size: 13px;
  line-height: 1.55;
}

.formatted-example-input code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.formatted-render-box {
  min-height: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  margin: auto 0;
}

.formatted-render-box .quizera-rich-text {
  color: var(--text);
}

.formatted-render-box .quizera-rich-text h1,
.formatted-render-box .quizera-rich-text h2,
.formatted-render-box .quizera-rich-text h3 {
  margin-bottom: 8px;
}

.formatted-render-box .quizera-rich-text blockquote {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-left: 4px solid var(--primary);
  background: #f8f6ff;
  color: var(--text);
}

.formatted-render-box .quizera-rich-text a {
  color: var(--primary);
  font-weight: 750;
}

.formatted-render-box .quizera-rich-text blockquote,
.formatted-render-box .quizera-rich-text blockquote p {
  margin: 0;
}

.formatted-code-tips,
.formatted-math-rules,
.formatted-tip-grid,
.formatted-image-card {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.formatted-code-tips {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.formatted-math-rules {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.formatted-math-rules code,
.formatted-code-tips code {
  display: inline-block;
  padding: 3px 6px;
  border-radius: 6px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 12px;
}

.formatted-tip-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.formatted-image-card {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.formatted-image-card ul,
.formatted-limit-card ul {
  margin-left: 18px;
}

.formatted-limit-card {
  padding: 18px;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  background: #fffbeb;
}

.formatted-limit-card li {
  margin: 7px 0;
  color: #92400e;
  font-size: 14px;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .formatted-hero {
    padding: 34px 24px;
  }

  .formatted-section {
    padding: 22px;
  }

  .formatted-section-header,
  .formatted-example-grid,
  .formatted-feature-grid,
  .formatted-code-tips,
  .formatted-math-rules,
  .formatted-tip-grid,
  .formatted-image-card {
    grid-template-columns: 1fr;
  }

  .formatted-example-input {
    border-right: 0;
    border-bottom: 1px solid #f1f1f4;
  }
}

@media (max-width: 560px) {
  .formatted-text-page {
    padding: 22px 14px 44px;
  }

  .formatted-hero h1 {
    font-size: 31px;
  }

  .formatted-hero-actions .btn,
  .formatted-hero-actions .btn-secondary {
    width: 100%;
  }

  .formatted-section {
    padding: 18px;
  }

  .formatted-example-title-row {
    align-items: flex-start;
    flex-direction: column;
  }
}