.not-found-page {
  position: relative;
  flex: 1 1 auto;
  min-height: 100vh;
  background: #ffffff;
}

.not-found-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 0 1rem;
  background: linear-gradient(to bottom, #ffffff 0%, #fafafa 50%, #f4f4f5 100%);
}

.not-found-card {
  width: 100%;
  max-width: 36rem;
  text-align: center;
}

.not-found-title {
  margin: 0 0 1rem;
  color: #18181b;
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.not-found-description {
  margin: 0 0 2rem;
  color: #52525b;
  font-size: 0.875rem;
  line-height: 1.625;
}

.not-found-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.not-found-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  box-sizing: border-box;
}

.not-found-button--primary {
  background: #3A66B7;
  color: #ffffff;
}

.not-found-button--primary:hover {
  background: #2F5599;
}

.not-found-button--secondary {
  border: 1px solid #e4e4e7;
  background: #ffffff;
  color: #27272a;
}

.not-found-button--secondary:hover {
  border-color: #d4d4d8;
  background: #fafafa;
}

@media (min-width: 640px) {
  .not-found-title {
    font-size: 3.75rem;
  }

  .not-found-description {
    font-size: 1rem;
  }

  .not-found-actions {
    flex-direction: row;
    gap: 1rem;
  }

  .not-found-button {
    width: auto;
    padding: 0.75rem 2rem;
    font-size: 1rem;
  }
}