body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(135deg, #4C3EFF, #635FFF, #06005B);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

main {
    flex: 1;
    /* Para que el footer se mantenga abajo */
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #EDF0FC;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 420px;
}

.login-card h4 {
    font-weight: bold;
    color: #040438;
}

.login-card h6 {
    color: #666;
    margin-bottom: 1.5rem;
}

.form-control {
    border-radius: 12px;
}

.btn-primary {
    background: #4C3EFF;
    border: none;
    border-radius: 12px;
    padding: 0.75rem;
    font-weight: 600;
}

.btn-primary:hover {
    background: #635FFF;
}

.login-social {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 0;
}

.login-social li a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #4C3EFF;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: 0.3s;
}

.login-social li a:hover {
    background: #635FFF;
}

.form-group label {
    font-weight: 500;
    color: #040414;
}

.link {
    font-size: 0.9rem;
    color: #4C3EFF;
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

.login-card p {
    margin-top: 1rem;
    text-align: center;
}

footer {
    background: #040414;
    color: #EDF0FC;
    text-align: center;
    padding: 1rem 0;
    font-size: 0.9rem;
}

footer a {
    color: #635FFF;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}