html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

main {
  width: 100%;
  max-width: none;
  padding: 20px 24px;
  margin: 0;
  overflow-x: hidden;
  box-sizing: border-box;
}

h1, h2, h3 {
  line-height: 1.25;
}

nav {
  background: #f6f8fa;
  padding: 12px 16px;
  border-bottom: 1px solid #ddd;
}

nav a {
  margin-right: 12px;
  text-decoration: none;
  font-weight: 500;
}

img, video, svg, canvas, iframe, embed, object {
  max-width: 100%;
  height: auto;
}

img {
  display: block;
  margin: 10px auto;
}

table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  border: 1px solid #cfd7e3;
  margin: 12px 0 18px;
  background: #fff;
}

th, td {
  border: 1px solid #cfd7e3;
  padding: 8px 10px;
  vertical-align: top;
  text-align: left;
  word-break: break-word;
}

thead th {
  background: #f5f8fc;
}

* {
  box-sizing: border-box;
  max-width: 100%;
}

pre, code {
  white-space: pre-wrap;
  word-break: break-word;
}

.math.display, .MathJax_Display {
  max-width: 100%;
  overflow: hidden;
}

.interactive-notebook {
  margin: 14px 0 18px;
  padding: 12px;
  border: 1px solid #d7dfeb;
  border-radius: 12px;
  background: linear-gradient(180deg, #f9fbff 0%, #f4f7fb 100%);
}

.interactive-notebook h3 {
  margin: 0 0 6px;
}

.interactive-notebook p {
  margin: 0 0 10px;
  color: #334155;
}

.interactive-notebook-frame {
  width: 100%;
  border: 1px solid #cfd7e3;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.interactive-notebook-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.interactive-notebook-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #fff;
  color: #0f172a;
  text-decoration: none;
  font-weight: 600;
}

.interactive-notebook-link:hover,
.interactive-notebook-link:focus-visible {
  border-color: #2563eb;
  color: #1d4ed8;
}

.notebook-page {
  max-width: 980px;
  margin: 0 auto;
}

.notebook-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.notebook-page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.notebook-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #fff;
  color: #0f172a;
  text-decoration: none;
  font-weight: 600;
}

.notebook-page-link:hover,
.notebook-page-link:focus-visible {
  border-color: #2563eb;
  color: #1d4ed8;
}

.notebook-cell {
  margin: 0 0 18px;
  border: 1px solid #d7dfeb;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.notebook-cell-label {
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #475569;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.notebook-cell-body {
  padding: 14px 16px;
}

.notebook-code {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre;
}

.notebook-output {
  margin: 0;
  padding: 14px 16px;
  border-top: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #0f172a;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
}