:host {
  display: block;
}

.page {
  margin: 0 auto;
  max-width: 1500px;
  padding: 22px;
}

.hero {
  align-items: center;
  background: #ffffff;
  border: 1px solid #dce5ef;
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(22, 39, 61, 0.08);
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 18px;
  padding: 22px 24px;
}

.eyebrow {
  color: #4f647b;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.07em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.hero h1 {
  color: #102033;
  font-size: 30px;
  line-height: 1.12;
  margin: 0;
}

.hero-copy {
  color: #4f647b;
  font-size: 15px;
  line-height: 1.5;
  margin: 12px 0 0;
  max-width: 680px;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.stackblitz-link,
.version-pill {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  min-height: 34px;
  padding: 0 14px;
  text-decoration: none;
  white-space: nowrap;
}

.stackblitz-link {
  background: #225ea8;
  color: #ffffff;
}

.version-pill {
  background: #eef4fb;
  border: 1px solid #d3dfec;
  color: #294966;
}

.layout {
  align-items: start;
  display: grid;
  gap: 18px;
  grid-template-columns: 268px minmax(0, 1fr);
}

.nav {
  background: #ffffff;
  border: 1px solid #dce5ef;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(22, 39, 61, 0.06);
  display: grid;
  gap: 4px;
  max-height: calc(100vh - 150px);
  overflow: auto;
  padding: 10px;
  position: sticky;
  top: 18px;
}

.nav button {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: #294966;
  cursor: pointer;
  display: grid;
  font: inherit;
  font-size: 13px;
  gap: 8px;
  grid-template-columns: 28px minmax(0, 1fr);
  min-height: 36px;
  padding: 7px 9px;
  text-align: left;
}

.nav button:hover,
.nav button:focus {
  background: #edf4fb;
  outline: none;
}

.nav button.active {
  background: #1f7a6b;
  color: #ffffff;
}

.nav span {
  align-items: center;
  background: rgba(37, 68, 95, 0.08);
  border-radius: 999px;
  display: inline-flex;
  font-size: 11px;
  font-weight: 700;
  height: 24px;
  justify-content: center;
  min-width: 24px;
}

.nav button.active span {
  background: rgba(255, 255, 255, 0.22);
}

.content {
  min-width: 0;
}

@media (max-width: 980px) {
  .page {
    padding: 14px;
  }

  .hero {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px;
  }

  .hero h1 {
    font-size: 26px;
    overflow-wrap: anywhere;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .nav {
    display: flex;
    gap: 8px;
    max-height: none;
    overflow-x: auto;
    padding: 8px;
    position: static;
  }

  .nav button {
    flex: 0 0 auto;
    grid-template-columns: 24px auto;
    white-space: nowrap;
  }
}

@media (max-width: 520px) {
  .page {
    padding: 10px;
  }

  .hero h1 {
    font-size: 24px;
  }

  .hero-copy {
    font-size: 14px;
  }

  .stackblitz-link,
  .version-pill {
    min-height: 32px;
  }
}