.edge-page {
  max-width: none; /* R26: same left edge as every other page */
  padding-bottom: 3rem;
  line-height: 1.7;
}
.edge-page h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.12;
  max-width: 22ch;
}
.edge-lead {
  max-width: 70ch;
  font-size: 1.15rem;
}
.edge-page h2 {
  margin-top: 2rem;
  line-height: 1.25;
}
.edge-page h3 {
  margin-top: 1.8rem;
  line-height: 1.35;
}
.edge-page p,
.edge-page li {
  max-width: 85ch;
}
.edge-page section {
  scroll-margin-top: 2rem;
}
.edge-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}
.edge-fields label {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
}
.edge-fields input,
.edge-fields select {
  width: 100%;
  min-width: 0;
  padding: 0.65rem;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  font: inherit;
}
.edge-fields .edge-check {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.edge-check input {
  width: 1.2rem;
  height: 1.2rem;
  min-height: 1.2rem;
  flex: none;
  accent-color: var(--accent);
}
.edge-page :focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.edge-page button {
  font: inherit;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  padding: 0.65rem 0.9rem;
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
}
.edge-page [hidden] {
  display: none !important;
}
.edge-page input:disabled {
  opacity: 0.55;
}
.edge-page details {
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  margin: 0.7rem 0;
}
.edge-page summary {
  cursor: pointer;
  padding: 1rem;
  min-height: 48px;
  list-style: disclosure-closed inside;
  background: var(--bg);
  border-radius: 0.6rem;
}
.edge-page details[open] > summary {
  list-style: disclosure-open inside;
}
.edge-page summary small {
  display: block;
  color: var(--muted);
  margin-top: 0.4rem;
}
.edge-page dl {
  padding: 1rem;
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 0.75rem;
}
.edge-page dt {
  font-weight: 650;
}
.edge-page dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.edge-page pre {
  font-size: 0.875rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  padding: 1rem;
}
.edge-result {
  margin-top: 1rem;
  border-left: 3px solid var(--accent);
  padding: 0 1rem;
}
.edge-scroll {
  overflow: auto;
  max-width: 100%;
  margin: 1rem 0;
}
.edge-page table {
  border-collapse: collapse;
  width: 100%;
  min-width: 580px;
  font-size: 0.95rem;
}
.edge-page th,
.edge-page td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  padding: 0.8rem;
}
.edge-page th {
  background: var(--bg);
}
.edge-page caption {
  text-align: left;
  padding-bottom: 0.6rem;
  color: var(--muted);
}
.edge-page code {
  overflow-wrap: anywhere;
}
.edge-page a {
  overflow-wrap: anywhere;
}
.edge-page #guide {
  margin: 3rem 0;
}
.edge-page .caption {
  font-size: 0.9rem;
}
@media (max-width: 650px) {
  .edge-fields {
    grid-template-columns: minmax(0, 1fr);
  }
  .edge-page dl {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
  }
  .edge-page dd {
    margin-bottom: 0.8rem;
  }
  .edge-page .lesson-panel {
    padding: 1rem;
  }
  .edge-page h2 {
    font-size: 1.5rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  .edge-page * {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}
.edge-page {
  overflow-wrap: anywhere;
}