body {
    background: linear-gradient(135deg, #1a2035 0%, #1f283e 60%, #0d1117 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

    .login-logo .brand-title {
        font-size: 1.6rem;
        font-weight: 700;
        color: #1a2035;
        letter-spacing: -0.5px;
    }

    .login-logo .brand-sub {
        font-size: 0.8rem;
        color: #8a94a6;
        text-transform: uppercase;
        letter-spacing: 2px;
    }

.form-label {
    font-weight: 500;
    color: #344050;
    font-size: 0.875rem;
}

.form-control:focus {
    border-color: #4f6ef7;
    box-shadow: 0 0 0 0.2rem rgba(79,110,247,.15);
}

.btn-login {
    background: linear-gradient(135deg, #4f6ef7, #6c47ff);
    border: none;
    border-radius: 8px;
    padding: .65rem 1rem;
    font-weight: 600;
    letter-spacing: .3px;
    transition: opacity .2s;
}

    .btn-login:hover {
        opacity: .88;
    }

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: #8a94a6;
    font-size: .8rem;
}