.electricity-sidebar-nav{
    --esn-orange:#ff8102;
    --esn-orange-dark:#e76f00;
    --esn-orange-soft:#fff4e8;
    --esn-orange-soft-2:#fff9f3;
    --esn-navy:#15305d;
    --esn-text:#44536d;
    --esn-border:#eadfd3;
    --esn-bg:#ffffff;
    display:flex;
    flex-direction:column;
    gap:16px;
    width:100%;
    box-sizing:border-box;
}
.electricity-sidebar-nav *{box-sizing:border-box}
.electricity-sidebar-nav__section{
    background:var(--esn-bg);
    border:1px solid #e8e9ed;
    border-radius:16px;
    padding:16px;
    box-shadow:0 8px 26px rgba(33,49,76,.06);
    overflow:hidden;
}
.electricity-sidebar-nav__section--districts{
    border-color:#ffd6ad;
    background:linear-gradient(180deg,#fffdfb 0%,#fff9f3 100%);
}
.electricity-sidebar-nav__section.is-current-region{
    border-color:#ffd6ad;
    background:linear-gradient(180deg,#fff 0%,#fffaf5 100%);
}
.electricity-sidebar-nav__heading{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding-bottom:11px;
    margin-bottom:12px;
    border-bottom:1px solid #edf0f4;
}
.electricity-sidebar-nav__heading h3{
    margin:0;
    color:var(--esn-navy);
    font-size:18px;
    line-height:1.35;
    font-weight:700;
    text-transform:none;
}
.electricity-sidebar-nav__eyebrow{
    display:block;
    margin-bottom:3px;
    color:var(--esn-orange-dark);
    font-size:12px;
    line-height:1.3;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:.04em;
}
.electricity-sidebar-nav__count,
.electricity-sidebar-nav__badge{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:26px;
    padding:4px 9px;
    border-radius:999px;
    background:var(--esn-orange-soft);
    color:var(--esn-orange-dark);
    font-size:12px;
    line-height:1;
    font-weight:700;
}
.electricity-sidebar-nav__chips{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
}
.electricity-sidebar-nav__chip{
    display:inline-flex;
    align-items:center;
    min-height:34px;
    max-width:100%;
    padding:7px 11px;
    border:1px solid #edf0f4;
    border-radius:10px;
    background:#f8f9fb;
    color:#273750;
    font-size:14px;
    line-height:1.25;
    font-weight:500;
    transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.electricity-sidebar-nav__chip:hover{
    color:var(--esn-orange-dark);
    border-color:#ffc88f;
    background:var(--esn-orange-soft-2);
    transform:translateY(-1px);
}
.electricity-sidebar-nav__chip.is-active{
    color:#fff;
    border-color:var(--esn-orange);
    background:var(--esn-orange);
    font-weight:700;
    box-shadow:0 5px 14px rgba(255,129,2,.18);
}
.electricity-sidebar-nav__section--districts .electricity-sidebar-nav__chip:not(.is-active){
    background:#fff;
    border-color:#f0dfce;
}
.electricity-sidebar-nav__regions{
    display:flex;
    flex-direction:column;
    gap:14px;
}

/* Sidebar hẹp: chip tự co theo nội dung, tránh danh sách cứng 3 cột như bản cũ. */
@media (max-width:1200px){
    .electricity-sidebar-nav__section{padding:14px}
    .electricity-sidebar-nav__heading h3{font-size:17px}
    .electricity-sidebar-nav__chip{font-size:13.5px;padding:7px 10px}
}

/* Khi right-col rơi xuống dưới ở tablet/mobile: tận dụng chiều ngang bằng grid mềm. */
@media (max-width:990px){
    .electricity-sidebar-nav{gap:14px}
    .electricity-sidebar-nav__chips{
        display:grid;
        grid-template-columns:repeat(3,minmax(0,1fr));
        gap:8px;
    }
    .electricity-sidebar-nav__chip{
        width:100%;
        justify-content:flex-start;
    }
}
@media (max-width:640px){
    .electricity-sidebar-nav__section{
        padding:13px;
        border-radius:14px;
    }
    .electricity-sidebar-nav__heading{
        margin-bottom:10px;
        padding-bottom:9px;
    }
    .electricity-sidebar-nav__heading h3{font-size:16px}
    .electricity-sidebar-nav__chips{grid-template-columns:repeat(2,minmax(0,1fr))}
    .electricity-sidebar-nav__chip{
        min-height:36px;
        font-size:14px;
        padding:8px 10px;
    }
}
@media (max-width:360px){
    .electricity-sidebar-nav__chips{grid-template-columns:1fr}
}

/* Quận/huyện dùng nhãn "Lịch cắt/cúp điện ..." nên hiển thị dạng hàng gọn, dễ đọc. */
.electricity-sidebar-nav__chips--districts{
    display:grid;
    grid-template-columns:1fr;
    gap:7px;
}
.electricity-sidebar-nav__chips--districts .electricity-sidebar-nav__chip{
    width:100%;
    min-height:38px;
    padding:8px 10px;
    line-height:1.35;
    justify-content:flex-start;
    font-size:13.5px;
}
@media (max-width:990px){
    .electricity-sidebar-nav__chips--districts{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
    .electricity-sidebar-nav__chips--districts{grid-template-columns:1fr;}
    .electricity-sidebar-nav__chips--districts .electricity-sidebar-nav__chip{font-size:14px;}
}