* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", sans-serif;
    background: linear-gradient(120deg, #3f51b5, #2196f3);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.8s ease-in-out;
}

.login-box h2 {
    margin: 0 0 25px;
    text-align: center;
    color: #333;
}

.input-container {
    position: relative;
    margin-bottom: 20px;
}

/* Icono a la izquierda */
.icon-left {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    font-size: 16px;
    pointer-events: none;
    /* No interfiera con clic */
}

/* Icono ojo a la derecha */
.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #666;
    font-size: 16px;
    user-select: none;
}

input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 12px 40px 12px 40px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s ease;
    font-family: inherit;
    box-sizing: border-box;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus {
    border-color: #3f51b5;
    outline: none;
}

input[type="submit"] {
    width: 100%;
    padding: 12px;
    background: #3f51b5;
    border: none;
    color: white;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
    font-size: 16px;
}

input[type="submit"]:hover {
    background: #303f9f;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer {
    text-align: center;
    margin-top: 15px;
    color: #888;
    font-size: 12px;
}

@media screen and (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
        width: 90%;
    }
}