body {
    margin: 0;
    font-family: Arial, sans-serif;

    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.navbar a {
    color: white !important;
}

.navbar .navbar-brand {
    color: white !important;
}

.navbar .nav-link {
    color: white !important;
}

body {
    background: url('../imagen/candado.jpg') no-repeat center center/cover;
    height: 100vh;
    margin: 0;
}
.login-container {
    background: #111;
    padding: 20px;
    width: 280px;
    border-radius: 5px;
}

h2 {
    color: #fff;
    text-align: center;
}

label {
    color: #fff;
    font-size: 14px;
}

input {
    width: 100%;
    margin: 10px 0;
    padding: 8px;
    background: #222;
    border: none;
    color: #fff;
}

button {
    width: 100%;
    padding: 8px;
    background: #444;
    color: #fff;
    border: none;
}

.error {
    color: red;
    font-size: 13px;
    text-align: center;
}
/* ===== FOOTER ===== */
footer {
    background: #111;
    color: #f8f9fa;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.5);
}

/* TEXTO */
footer p {
    margin: 6px 0;
    font-size: 14px;
    letter-spacing: 1px;
}

/* EFECTO HOVER SUAVE */
footer p:hover {
    color: #0d6efd;
    transition: 0.3s;
}