.hb-result-card{
    margin-top:30px;
    padding:24px;
    border-radius:24px;
    background:linear-gradient(135deg,#ffffff,#f8fbff);
    border:1px solid rgba(0,0,0,.08);
    box-shadow:
        0 12px 30px rgba(0,0,0,.08),
        inset 0 1px 0 rgba(255,255,255,.8);
    transition:.35s;
    overflow:hidden;
}

.hb-placeholder{
    text-align:center;
    color:#666;
    padding:20px 10px;
}

.hb-icon{
    width:70px;
    height:70px;
    margin:auto;
    margin-bottom:15px;
    display:grid;
    place-items:center;
    font-size:34px;
    border-radius:50%;
    background:linear-gradient(135deg,#eef4ff,#ffffff);
    box-shadow:
        0 8px 18px rgba(0,0,0,.08),
        inset 0 1px 0 rgba(255,255,255,.9);
}

.hb-result-title{
    font-size:24px;
    font-weight:700;
    margin-bottom:20px;
    text-align:center;
}

.hb-region{
    padding:18px;
    margin-bottom:18px;
    border-radius:18px;
    background:#fff;
    border-left:5px solid #4f46e5;
    box-shadow:0 5px 18px rgba(0,0,0,.06);
}

.hb-region h4{
    margin:0 0 14px;
    font-size:18px;
    color:#222;
}

.hb-date-row{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:15px;
    padding:10px 0;
    border-bottom:1px dashed #ddd;
}

.hb-date-row:last-child{
    border:none;
}

.hb-label{
    color:#666;
    font-weight:600;
}

.hb-date{
    font-weight:700;
    color:#111;
}

.hb-info{
    margin-top:20px;
    padding:18px;
    border-radius:18px;
    background:#f8fbff;
    border:1px solid #dfe9ff;
    font-size:15px;
    line-height:1.7;
}

.hb-note{
    margin-top:15px;
    padding:15px;
    border-radius:15px;
    background:#fff8e7;
    border-left:5px solid #ffb300;
    color:#444;
}

.loading{
    text-align:center;
    padding:40px;
    font-size:18px;
    color:#555;
}

.loading::after{
    content:"";
    display:block;
    width:42px;
    height:42px;
    margin:18px auto 0;
    border:4px solid #ddd;
    border-top-color:#4f46e5;
    border-radius:50%;
    animation:spin .8s linear infinite;
}

@keyframes spin{
    to{
        transform:rotate(360deg);
    }
}

@media(max-width:600px){

.hb-date-row{
    flex-direction:column;
    align-items:flex-start;
}

.hb-date{
    font-size:17px;
}

.hb-region{
    padding:16px;
}

}

.hb-calculator{

    max-width:700px;
    margin:30px auto;

}

.hb-section{

    background:linear-gradient(145deg,#ffffff,#f8fbff);
    border:1px solid rgba(0,0,0,.08);
    border-radius:24px;
    padding:25px;
    margin-bottom:24px;

    box-shadow:
    0 10px 30px rgba(0,0,0,.07),
    inset 0 1px 0 rgba(255,255,255,.9);

}

.hb-label{

    display:block;
    font-size:18px;
    font-weight:700;
    color:#1f2937;
    margin-bottom:8px;

}

.hb-helper{

    color:#666;
    font-size:14px;
    line-height:1.6;
    margin-bottom:18px;

}

.hb-select,
.hb-date-input{

    width:100%;
    height:56px;

    padding:0 18px;

    border:2px solid #e5e7eb;
    border-radius:16px;

    background:#fff;

    font-size:16px;

    transition:.25s;

    outline:none;

    box-sizing:border-box;

}

.hb-select:focus,
.hb-date-input:focus{

    border-color:#4f46e5;

    box-shadow:
    0 0 0 4px rgba(79,70,229,.12);

}

.hb-location-btn{

    width:100%;
    margin-top:18px;

    height:54px;

    border:none;

    border-radius:16px;

    background:#ffffff;

    color:#2563eb;

    font-weight:700;

    font-size:16px;

    cursor:pointer;

    border:2px solid #dbeafe;

    transition:.25s;

}

.hb-location-btn:hover{

    background:#eff6ff;

    transform:translateY(-2px);

}

.hb-calculate-btn{

    width:100%;

    margin-top:20px;

    height:58px;

    border:none;

    border-radius:18px;

    background:linear-gradient(
    135deg,
    #4338ca,
    #6366f1
    );

    color:#fff;

    font-size:18px;

    font-weight:700;

    cursor:pointer;

    transition:.3s;

    box-shadow:
    0 12px 24px rgba(79,70,229,.25);

}

.hb-calculate-btn:hover{

    transform:translateY(-3px);

    box-shadow:
    0 18px 35px rgba(79,70,229,.35);

}

.hb-calculate-btn:active{

    transform:scale(.98);

}

@media(max-width:768px){

.hb-section{

    padding:20px;

    border-radius:20px;

}

.hb-label{

    font-size:17px;

}

.hb-select,
.hb-date-input{

    height:52px;

}

.hb-location-btn,
.hb-calculate-btn{

    height:52px;

    font-size:16px;

}

}