.form-signin {
    max-width: 330px;
    padding: 1rem;
}

.form-signin .form-floating:focus-within {
    z-index: 2;
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: #3dadff;
    box-shadow: 0 0 0 0.2rem rgba(61, 173, 255, 0.25);
    color: #e0e0e0;
}

.form-floating > label {
    color: #b0b0b0;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: #3dadff;
    transform: scale(.85) translateY(-.5rem) translateX(.15rem);
}

.h3 {
    color: #e0e0e0;
    margin-bottom: 1.5rem;
}

.btn-primary {
    background-color: #3dadff;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2b8cd9;
    transform: translateY(-2px);
}

a {
    color: #3dadff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2b8cd9;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: #ff6b6b;
}