* {
      box-sizing: border-box;
    }

    body {
      color: #000;
      background-image: url(imagenes/banner0-min.jpg);
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
      margin: 0;
      padding: 0;
      font-family: Arial, sans-serif;
      padding-top: 60px; /* espacio para navbar */
      color: #fff; /* si querés que el texto general siga blanco, esto lo podés ajustar */
    }

    /* Navbar */
    nav.navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 60px;
      background-color: rgb(236, 237, 239); /* fondo gris claro */
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      z-index: 1000;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    nav.navbar a.logo-link {
      color: #000;
      font-weight: bold;
      font-size: 20px;
      text-decoration: none;
      user-select: none;
      -webkit-user-select: none; /* Compatibilidad con Safari y iOS */
    }


    nav.navbar img.navbar-img {
      height: 40px;
      width: auto;
      border-radius: 4px;
      cursor: pointer;
    }

    .form-container {
      background-color: rgba(0, 0, 0, 0.6);
      padding: 30px;
      margin: 30px auto;
      max-width: 400px;
      width: 90%;
      border-radius: 12px;
      box-shadow: 0 0 15px rgba(0,0,0,0.5);
      color: #fff;
    }

    h2, h3 {
      text-align: center;
      margin-bottom: 20px;
    }

    label {
      display: block;
      margin-top: 10px;
      font-weight: bold;
    }

    input[type="file"],
    input[type="text"],
    input[type="number"] {
      width: 100%;
      padding: 10px;
      border-radius: 6px;
      border: none;
      margin-top: 5px;
      margin-bottom: 15px;
      font-size: 14px;
    }

    button {
      width: 100%;
      padding: 10px;
      border: none;
      background-color: #ff6600;
      color: white;
      font-size: 16px;
      border-radius: 6px;
      cursor: pointer;
    }

    button:hover {
      background-color: #e65c00;
    }

    .imagen-lista {
      margin-top: 30px;
      background: rgba(255,255,255,0.1);
      padding: 10px;
      border-radius: 10px;
    }

    .imagen-item {
      margin-bottom: 20px;
      border-bottom: 1px solid rgba(255,255,255,0.3);
      padding-bottom: 10px;
    }

    .imagen-item img {
      width: 100%;
      max-width: 150px;
      display: block;
      margin-bottom: 5px;
    }

    .imagen-item a {
      color: #ccc;
      text-decoration: underline;
    }

    .imagen-item form {
      display: inline-block;
      margin-top: 5px;
    }

    @media (max-width: 480px) {
      .form-container {
        padding: 20px;
      }

      button {
        font-size: 14px;
      }
    }

    /* formulario de Sesion*/

    .form-container input {
      padding: 8px;
      margin-top: 5px;
      border: 1px solid #ccc;
      border-radius: 4px;
      /* NUEVO: margen inferior para separar del siguiente elemento */
      margin-bottom: 15px;
    }

.form-container button {
  margin-top: 10px; /* ya suficiente espacio por el input */
  padding: 10px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}