body {
      background: linear-gradient(to bottom, #8e2de2, #000000);
      background-attachment: fixed;
      background-size: cover;
      background-position: center;
      min-height: 100vh;
      margin: 0;
      font-family: 'Arial', sans-serif;
    }

    .login-container {
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }

    .login-box {
      background-image: url('../img/fondo3d.png');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      color: #fff;
      position: relative;
      z-index: 1;
      padding: 3rem 2rem;
      min-height: 650px;
      width: 100%;
      max-width: 450px;
      border-radius: 15px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    .login-box::before {
      content: "";
      position: absolute;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background-color: rgba(0, 0, 0, 0.4);
      z-index: 0;
      border-radius: 15px;
    }

    .login-box > * {
      position: relative;
      z-index: 2;
    }

    .form-control {
      width: 100%;
      box-sizing: border-box;
      height: 45px;
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: 8px;
      padding: 0 15px;
      margin-bottom: 0.8rem;
      background-color: rgba(255, 255, 255, 0.1);
      color: #fff;
      backdrop-filter: blur(3px);
      transition: all 0.3s ease;
    }

    .form-control:focus {
      border-color: #5a2e8a;
      box-shadow: 0 0 0 0.25rem rgba(90, 46, 138, 0.25);
      outline: none;
    }

    .glass-effect {
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
    }

    .img-button {
      padding: 0;
      background: none;
      border: none;
      width: 80%;
      display: flex;
      justify-content: center;
      margin: 1.2rem auto;
    }

    .img-button img {
      width: 100%;
      max-height: 80px;
      object-fit: contain;
      border-radius: 8px;
      transition: transform 0.3s ease;
    }

    .img-button img:hover {
      transform: scale(1.05);
    }

    .yellow-text {
      color: #ffc107 !important;
    }

    /* Estilos para alternar formularios */
    #toggle-form {
      display: none;
    }

    .form-title {
      text-align: center;
      position: absolute;
      width: 100%;
      top: 20px;
      left: 0;
      transition: opacity 0.5s ease;
      margin: 0;
      font-size: 1.8rem;
    }

    .form {
      opacity: 1;
      transition: opacity 0.5s ease, visibility 0.5s ease;
      position: absolute;
      width: 100%;
      top: 80px;
      left: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 0 2rem;
      box-sizing: border-box;
    }

    .mb-3 {
      width: 80%;
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-bottom: 0.6rem;
    }

    .form-label {
      width: 100%;
      text-align: left;
      margin-bottom: 0.4rem;
      font-size: 0.9rem;
      opacity: 0.9;
    }

    .mt-3.text-center {
      width: 100%;
      text-align: center;
      margin-top: 1rem !important;
    }

    .register-form,
    .register-title {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }

    #toggle-form:checked ~ .register-form,
    #toggle-form:checked ~ .register-title {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }

    #toggle-form:checked ~ .login-form,
    #toggle-form:checked ~ .login-title {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }

    .toggle-link {
      color: #ffc107;
      cursor: pointer;
      text-decoration: underline;
      font-weight: 500;
    }

    .btn-primary {
      width: 80%;
      background: linear-gradient(to right, #8e2de2, #4a00e0);
      border: none;
      color: white;
      padding: 12px;
      border-radius: 8px;
      cursor: pointer;
      font-size: 1rem;
      font-weight: 600;
      margin-top: 0.5rem;
      transition: all 0.3s ease;
    }

    .btn-primary:hover {
      background: linear-gradient(to right, #7d1dd1, #4200c8);
      transform: translateY(-2px);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .btn-outline-warning {
      border-color: #ffc107;
      color: #ffc107;
    }

    .btn-outline-warning:hover {
      background-color: #ffc107;
      color: #000;
    }

    /* Estilos específicos para el formulario de registro con más campos */
    .register-form .mb-3 {
      margin-bottom: 0.5rem;
    }

    .register-form .form-control {
      margin-bottom: 0.6rem;
    }