/* =====================================================================
   bda.css — trang /ban-do-du-an. Nạp sau styles.css và bds.css.
   ===================================================================== */
.bda{
  --tt-hd:#0B7350; --tt-hd-n:#E4F4EE;
  --tt-dx:#A84F0E; --tt-dx-n:#FCEFE3;
  --tt-cb:#5A3DD6; --tt-cb-n:#EFEBFE;
  --tt-cr:#475467; --tt-cr-n:#EEF0F3;
  --tt-bh:#1F56C7; --tt-bh-n:#E8EFFD;
  --bda-noi:#FF385C;
}

/* Hàng chip cuộn ngang được: hai hàng xuống dòng sẽ đẩy bản đồ khỏi màn hình đầu ở điện thoại. */
.bda__loc{display:flex;gap:8px;margin-top:12px;overflow-x:auto;scrollbar-width:none;}
.bda__loc::-webkit-scrollbar{display:none;}
.bda__loc:empty{display:none;}
.bdac{flex:none;display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--text);font:inherit;font-size:14px;cursor:pointer;white-space:nowrap;}
.bdac span{color:var(--text-2);}
.bdac:hover{background:var(--hover);}
.bdac.is-on{background:var(--text);border-color:var(--text);color:#fff;}
.bdac.is-on span{color:#fff;}
.bdac i{width:10px;height:10px;border-radius:50%;background:var(--m);flex:none;}

.bda__khung{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(360px,1fr);gap:24px;align-items:start;margin-top:16px;}
/* Đầu trang dính cao 73px. */
.bda__trai{position:sticky;top:85px;min-width:0;}
.bda__bd{position:relative;height:calc(100dvh - 150px);min-height:480px;border-radius:16px;overflow:hidden;background:#E8EEF1;border:1px solid var(--line);}
.bda__chu{margin:8px 2px 0;color:var(--text-2);font-size:13px;line-height:1.45;}

/* Bản 2D: ảnh và SVG cùng cách co nên hình vẽ luôn trùng nền. */
.bda2{position:absolute;inset:0;}
.bda2__nen,.bda2__ve{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;}
.bda2__ve a{cursor:pointer;color:var(--m);}
.bda2__ve path{fill:var(--m);fill-opacity:.32;stroke:var(--m);stroke-width:2;}
.bda2__ve .bda2__uoc{fill-opacity:.1;stroke-dasharray:9 7;}
.bda2__ve .bda2__tuyen{fill:none;stroke-width:4;stroke-dasharray:10 6;}
.bda2__so circle{fill:var(--m);stroke:#fff;stroke-width:3;}
.bda2__so text{fill:#fff;font-size:15px;font-weight:600;text-anchor:middle;}
.bda2__ve a.is-noi path{fill-opacity:.55;stroke-width:4;}
.bda2__ve a.is-noi circle{fill:var(--bda-noi);}

/* Lớp 3D: đúng cỡ ngay từ đầu, chỉ trong suốt tới khi vẽ xong (cùng lý do với .bdo__gl). */
.bda .bda__gl{position:absolute;inset:0;z-index:1;transition:opacity .25s;}
.bda .bda__gl--cho{opacity:0;pointer-events:none;}
.bda__2d{position:absolute;top:10px;left:10px;z-index:2;min-width:44px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#fff;font:inherit;font-size:14px;font-weight:600;color:var(--text);cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.12);}
.bda__2d:hover{background:var(--hover);}

.bda__h2{font-size:20px;font-weight:600;letter-spacing:-.01em;margin:20px 0 8px;}
.bda__ds > section:first-child .bda__h2{margin-top:0;}
.bda__mo{color:var(--text-2);font-size:14px;margin:-2px 0 10px;}
.bda__kbao{margin:20px 0 0;padding:14px 16px;border-radius:12px;background:var(--hover);font-size:14px;line-height:1.5;}

.bdam{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:10px;scroll-margin-top:85px;}
.bdam[open]{border-color:var(--text);}
.bdam__dau{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:10px;align-items:center;min-height:44px;padding:12px;cursor:pointer;list-style:none;border-radius:14px;}
.bdam__dau::-webkit-details-marker{display:none;}
.bdam__dau:hover{background:var(--hover);}
.bdam__so{width:28px;height:28px;border-radius:50%;background:var(--hover-2,#EBEBEB);display:grid;place-items:center;font-size:13px;font-weight:600;}
.bdam__ten{min-width:0;display:block;}
.bdam__ten b{display:block;font-weight:600;font-size:15px;line-height:1.3;}
.bdam__ten small{display:block;color:var(--text-2);font-size:13px;margin-top:2px;line-height:1.35;}

.bdat{font-size:12px;font-weight:600;padding:4px 8px;border-radius:999px;white-space:nowrap;}
.bdat--hoat-dong{background:var(--tt-hd-n);color:var(--tt-hd);}
.bdat--dang-xay{background:var(--tt-dx-n);color:var(--tt-dx);}
.bdat--chuan-bi{background:var(--tt-cb-n);color:var(--tt-cb);}
.bdat--chua-ro{background:var(--tt-cr-n);color:var(--tt-cr);}
.bdat--ban-hanh{background:var(--tt-bh-n);color:var(--tt-bh);}
.bdat--de-xuat{background:var(--tt-dx-n);color:var(--tt-dx);}

.bdam__than{padding:0 14px 14px;font-size:14px;line-height:1.5;}
.bdam__tt{margin:0;display:grid;gap:8px;}
.bdam__tt div{display:grid;grid-template-columns:84px minmax(0,1fr);gap:8px;}
.bdam__tt dt{color:var(--text-2);}
.bdam__tt dd{margin:0;}
.bdam__luuy{margin:10px 0 0;padding:10px 12px;border-radius:10px;background:var(--tt-dx-n);}
.bdam__h{font-size:14px;font-weight:600;margin:14px 0 6px;}
.bdam__moc{list-style:none;margin:0;padding:0 0 0 12px;border-left:2px solid var(--line);display:grid;gap:10px;}
.bdam__moc time{font-weight:600;font-size:13px;}
.bdam__moc p{margin:2px 0 0;}
.bdam__ngt{color:var(--text-2);font-size:13px;}
.bdam__ng{color:inherit;text-decoration:underline;}
.bdam__ban{margin:0;}
.bdam__trong{margin:0;color:var(--text-2);}
.bdam__anh{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;}
.bdam__anh button{padding:0;border:0;background:none;cursor:pointer;min-height:44px;border-radius:8px;overflow:hidden;}
.bdam__anh img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;}
.bdam__kiem{margin:12px 0 0;color:var(--text-2);font-size:13px;}
.bdam__kiem--cu{color:#C13515;}
.bdam__bay{margin-top:10px;min-height:44px;}

@media (max-width:1023px){
  .bda__khung{grid-template-columns:minmax(0,1fr);gap:16px;}
  .bda__trai{position:static;}
  .bda__bd{height:58dvh;min-height:320px;max-height:640px;}
}
@media (max-width:743px){
  .bda__bd{border-radius:12px;}
  .bdam__dau{grid-template-columns:28px minmax(0,1fr);}
  .bdam__dau .bdat{grid-column:2;justify-self:start;}
}