.not-found-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 60px);
  padding: 48px 24px;
  background: var(--app-bg, #0b0b0f);
}

.not-found-page__content {
  text-align: center;
  max-width: 420px;
}

.not-found-page__code {
  font-size: 96px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent-teal, #2dd4bf);
  margin-bottom: 12px;
}

.not-found-page h1 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary, #f1f5f9);
  margin: 0 0 8px;
}

.not-found-page p {
  font-size: 14px;
  color: var(--text-secondary, #94a3b8);
  margin: 0 0 28px;
  line-height: 1.6;
}

.not-found-page__button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid var(--border-default, #334155);
  border-radius: 8px;
  background: var(--surface-elevated, #1e293b);
  color: var(--text-primary, #f1f5f9);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.not-found-page__button:hover {
  background: var(--surface-hover, #334155);
  border-color: var(--accent-teal, #2dd4bf);
}