body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial;
    background: #f4f6f9;
}

.login-container {
    display: flex;
    min-height: 100vh;
}

/* LEFT PANEL */

.login-left {
    width: 50%;
    background: linear-gradient(135deg,#0d6efd,#084298);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

.brand-box {
    text-align: center;
}

.brand-logo {
    max-width: 580px;
    width: 100%;
    height: auto;
    margin-bottom: 20px;
    border-radius: 10px;
}

.brand-box h2 {
    font-size: 32px;
    font-weight: 600;
}

.brand-box p {
    font-size: 18px;
}

/* RIGHT PANEL */

.login-right {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 450px;
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 25px rgba(0,0,0,.15);
}

    .login-card h3 {
        text-align: center;
        margin-bottom: 10px;
    }

    .login-card p {
        text-align: center;
    }

.login-logo {
    width: 120px;
    height: auto;
}

.btn-login {
    width: 100%;
    margin-top: 15px;
}

/* MOBILE */

@media (max-width: 768px) {

    .login-container {
        flex-direction: column;
    }

    .login-left {
        width: 100%;
        min-height: 220px;
        padding: 20px;
    }

    .login-right {
        width: 100%;
        padding: 15px;
    }

    .login-card {
        max-width: 100%;
        margin-top: 10px;
    }

    .brand-box h2 {
        font-size: 24px;
    }

    .brand-box p {
        font-size: 14px;
    }

    .brand-logo {
        max-width: 120px;
    }

    .login-logo {
        width: 90px;
    }
}


.top-menu {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999;
}

.office-login-btn {
    font-weight: 600;
    border-radius: 25px;
    padding: 8px 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,.15);
}

@media (max-width: 768px) {

    .top-menu {
        top: 10px;
        right: 10px;
    }

    .office-login-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

.notice-alert {
    text-align: left;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.6;
    box-shadow: 0 3px 10px rgba(0,0,0,.08);
}