n;
        align-items: center;
        justify-content: center;
        transition: background-color 0.3s, color 0.3s;
      }

      /* Theme toggle */
      .theme-toggle {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        background: transparent;
        border: none;
        color: var(--text-primary);
        width: 2.5rem;
        height: 2.5rem;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        curso