body { background: #F5F5F5; }
.login-card { width: 100%; max-width: 380px; }
.login-header {
    background: #B0B0B0;
    border-radius: 12px 12px 0 0;
    padding: 32px 40px 28px;
    text-align: center;
}
.login-header img { max-height: 48px; max-width: 200px; object-fit: contain; }
.login-header .login-sub { color: rgba(255,255,255,0.80); font-size: 12px; margin-top: 6px; }
.login-body {
    background: #fff;
    border-radius: 0 0 12px 12px;
    padding: 32px 40px 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.10);
}
.form-control:focus { border-color: #8A8A8A; box-shadow: 0 0 0 0.2rem rgba(138,138,138,.2); }
.btn-login {
    background-color: #8A8A8A;
    border: none;
    color: #fff;
    font-weight: 600;
}
.btn-login:hover { background-color: #757575; color: #fff; }
.btn-toggle-password {
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
}