/* Reset general */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Fondo */
body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #007BFF, #6DD5FA);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Contenedor principal */
.container {
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    padding: 30px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    animation: zoom-in 0.5s ease-out;
}

/* Título dentro del contenedor */
.container h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: #333;
    opacity: 0;
}

/* Campos del formulario */
.container .form-group {
    margin-bottom: 20px;
    text-align: left;
    opacity: 0;
    transform: translateX(-50%);
}

.container label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #555;
}

.container input[type="text"],
.container input[type="password"] {
    width: 100%;
    padding: 10px;
    font-size: 1em;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.container input[type="text"]:focus,
.container input[type="password"]:focus {
    border-color: #007BFF;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

/* Botón */
.container .btn {
    display: inline-block;
    width: 100%;
    background: linear-gradient(135deg, #007BFF, #0056b3);
    color: white;
    padding: 10px 15px;
    font-size: 1em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, background 0.3s ease;
    opacity: 0;
    transform: scale(0.9);
}

.container .btn:hover {
    background: linear-gradient(135deg, #0056b3, #007BFF);
    transform: scale(1);
}

/* Animaciones */
@keyframes zoom-in {
    from {
        transform: scale(0.7);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slide-in {
    from {
        opacity: 0;
        transform: translateX(-50%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce-in {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Clases de animación con retraso */
.container .fade-in {
    animation: fade-in 0.5s forwards;
}

.container .slide-in {
    animation: slide-in 0.5s forwards;
}

.container .bounce-in {
    animation: bounce-in 0.6s forwards;
}

.container .delay-1 {
    animation-delay: 0.2s;
}

.container .delay-2 {
    animation-delay: 0.4s;
}