.login-wrapper {
    max-width: 450px;
    margin: 80px auto;
}
.login-card {
    background-color: #FFFFFF;
    border: 1px solid #EBEBEB;
    border-radius: 12px;
    padding: 50px 40px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}
.kakao-btn {
    background-color: #FEE500;
    color: #000000;
    border: none;
    font-weight: 400;
}
.kakao-btn:hover {
    background-color: #E6CF00;
}
.login-btn {
    background-color: #356BB0;
    color: #FFFFFF;
    border: 1px solid #356BB0;
    font-weight: bold;
}
.login-btn:hover {
    background-color: #2b568d;
    color: #FFFFFF;
}

/* ============================================================
   모바일 반응형 (Responsive Web)
   ============================================================ */
@media (max-width: 768px) {
    .login-wrapper {
        margin: 40px auto;
        padding: 0 15px;
    }
    .login-card {
        padding: 35px 25px;
    }
}

@media (max-width: 520px) {
    .login-wrapper {
        margin: 20px auto;
        padding: 0 15px;
    }
    .login-card {
        padding: 25px 20px;
        border-radius: 8px;
    }
    .kakao-btn, .login-btn {
        min-height: 48px;
        font-size: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
}