:root{
  --nen:#f7f7f5; --chu:#1b2430; --chu-nhat:#5b6774; --vien:#e2e4e1;
  --xanh:#0f8b6c; --cam:#e0752d; --do:#c0392b; --tim:#6d4aad;
  --bong:0 8px 30px rgba(20,28,38,.14);
  --r:14px;
}
*{box-sizing:border-box}
/* Class dat display:flex/block se thang thuoc tinh `hidden` cua HTML neu khong co dong nay.
   Da dinh that: lop PIN van che kin man hinh sau khi dang nhap dung. */
[hidden]{display:none!important}
html,body{margin:0;height:100%;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--chu);background:var(--nen);
  -webkit-text-size-adjust:100%}
#bando{position:fixed;inset:0}

/* ---------- thanh tim ---------- */
.thanh-tren{position:fixed;top:0;left:0;right:0;z-index:1000;padding:10px 12px;pointer-events:none;
  padding-top:max(10px,env(safe-area-inset-top))}
.o-tim{display:flex;gap:6px;max-width:560px;margin:0 auto;pointer-events:auto;
  background:#fff;border-radius:var(--r);box-shadow:var(--bong);padding:6px}
.o-tim input{flex:1;min-width:0;border:0;outline:0;font-size:15px;padding:8px 10px;background:transparent;color:var(--chu)}
.o-tim button{border:0;background:var(--chu);color:#fff;border-radius:10px;padding:8px 14px;font-size:14px;font-weight:600;cursor:pointer}
.ket-qua-tim{max-width:560px;margin:6px auto 0;background:#fff;border-radius:var(--r);box-shadow:var(--bong);
  overflow:hidden;pointer-events:auto;max-height:46vh;overflow-y:auto}
.ket-qua-tim button{display:block;width:100%;text-align:left;border:0;background:none;padding:10px 14px;
  font-size:14px;line-height:1.35;cursor:pointer;border-bottom:1px solid var(--vien);color:var(--chu)}
.ket-qua-tim button:last-child{border-bottom:0}
.ket-qua-tim button:hover{background:#f2f4f2}

/* ---------- bang dieu khien ---------- */
.nut-noi{position:fixed;z-index:1000;left:50%;transform:translateX(-50%);bottom:max(14px,env(safe-area-inset-bottom));
  border:0;background:var(--chu);color:#fff;border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;
  box-shadow:var(--bong);cursor:pointer}
.nut-noi[hidden]{display:none}
.bang{position:fixed;z-index:1001;background:#fff;box-shadow:var(--bong);display:flex;flex-direction:column;
  left:0;right:0;bottom:0;max-height:82vh;border-radius:var(--r) var(--r) 0 0;
  transform:translateY(102%);transition:transform .22s ease;padding-bottom:env(safe-area-inset-bottom)}
.bang.mo{transform:none}
.bang-keo{height:26px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;cursor:grab;touch-action:none}
.bang-keo::before{content:"";width:42px;height:4px;border-radius:2px;background:#cfd4cf}
@media(min-width:900px){
  .bang{left:12px;top:78px;bottom:14px;right:auto;width:400px;max-height:none;border-radius:var(--r);transform:translateX(calc(-100% - 20px))}
  .bang.mo{transform:none}
  .nut-noi{left:14px;transform:none;bottom:14px}
  .thanh-tren{padding-left:430px}
}

.tab{display:flex;gap:4px;padding:0 12px 8px;flex:0 0 auto}
.tab-nut{flex:1;border:0;background:#f0f2ef;color:var(--chu-nhat);border-radius:10px;padding:9px 4px;
  font-size:13.5px;font-weight:600;cursor:pointer}
.tab-nut.dang-chon{background:var(--chu);color:#fff}
.tab-noi{display:none;overflow-y:auto;padding:4px 14px 18px;-webkit-overflow-scrolling:touch}
.tab-noi.dang-chon{display:block}

.huong-dan{font-size:13px;color:var(--chu-nhat);line-height:1.5;margin:4px 0 12px}
.tieu-de-nho{font-size:14px;margin:18px 0 8px;display:flex;align-items:center;justify-content:space-between}
.nut-nho{border:1px solid var(--vien);background:#fff;border-radius:8px;padding:4px 10px;font-size:12.5px;cursor:pointer;color:var(--chu)}

/* ---------- ket qua uom ---------- */
.diem-ten{font-size:16px;font-weight:700;margin:0 0 2px}
.diem-toa{font-size:12px;color:var(--chu-nhat);font-variant-numeric:tabular-nums;margin:0 0 10px}
.the-nx{border-radius:12px;padding:11px 13px;font-size:13.5px;line-height:1.5;margin-bottom:12px}
.the-nx.tot{background:#e8f6f0;color:#0b5c48}
.the-nx.canh{background:#fdf1e3;color:#8a4a10}
.the-nx.xau{background:#fdecea;color:#8c241b}
.bang-kc{width:100%;border-collapse:collapse;font-size:13px}
.bang-kc th{text-align:left;font-weight:600;color:var(--chu-nhat);font-size:11.5px;text-transform:uppercase;
  letter-spacing:.03em;padding:0 0 6px;border-bottom:1px solid var(--vien)}
.bang-kc td{padding:7px 0;border-bottom:1px solid #f0f1ef;vertical-align:top}
.bang-kc td:nth-child(2),.bang-kc td:nth-child(3){text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;padding-left:8px}
.bang-kc tr.gan td{color:var(--do);font-weight:600}
.bang-kc .kho-nhan{color:var(--chu-nhat);font-weight:400;font-size:11.5px}
.nut-hang{display:flex;gap:8px;margin-top:14px}
.nut-hang button,.nut-rong{flex:1;border:0;border-radius:10px;padding:11px;font-size:14px;font-weight:600;cursor:pointer}
button.chinh,.nut-rong{background:var(--chu);color:#fff}
button.phu{background:#f0f2ef;color:var(--chu)}

/* ---------- danh sach ---------- */
.the{border:1px solid var(--vien);border-radius:12px;padding:11px 12px;margin-bottom:9px;cursor:pointer;background:#fff}
.the:hover{border-color:#c9cdc8}
.the-dau{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.the-ten{font-weight:650;font-size:14.5px}
.nhan{font-size:11px;border-radius:999px;padding:2px 8px;font-weight:600;white-space:nowrap}
.nhan.uu_tien{background:#e8f6f0;color:#0b5c48}
.nhan.dang_xem{background:#eef1f5;color:#44536b}
.nhan.loai{background:#f2f2f2;color:#8a8a8a}
.the-phu{font-size:12.5px;color:var(--chu-nhat);margin-top:4px;line-height:1.45}
.the-nut{display:flex;gap:6px;margin-top:8px}
.the-nut button{border:1px solid var(--vien);background:#fff;border-radius:8px;padding:5px 9px;font-size:12px;cursor:pointer;color:var(--chu-nhat)}
.the-nut button.xoa{color:var(--do);border-color:#f0d5d2}
.rong{font-size:13px;color:var(--chu-nhat);padding:14px 2px;line-height:1.5}

/* ---------- lop ban do ---------- */
.dong-lop{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13.5px;margin:12px 0 6px}
.dong-lop select{border:1px solid var(--vien);border-radius:9px;padding:7px 9px;font-size:13.5px;background:#fff;color:var(--chu)}
.dong-lop-ngang{display:flex;align-items:center;gap:9px;font-size:13.5px;padding:7px 0}
.gia-tri{font-variant-numeric:tabular-nums;color:var(--chu-nhat)}
input[type=range]{width:100%;accent-color:var(--chu)}
.chu-giai{font-size:12.5px;color:var(--chu-nhat);line-height:1.5;background:#f6f7f5;border-radius:12px;padding:11px;margin-top:12px}
.chu-giai-luon{margin-top:14px}
.thang{display:flex;height:9px;border-radius:5px;overflow:hidden;margin:7px 0 3px}
.thang span{flex:1}
.thang span:nth-child(1){background:rgba(15,139,108,.12)}
.thang span:nth-child(2){background:rgba(15,139,108,.3)}
.thang span:nth-child(3){background:rgba(224,117,45,.42)}
.thang span:nth-child(4){background:rgba(192,57,43,.5)}
.thang span:nth-child(5){background:rgba(109,74,173,.6)}
.thang-nhan{display:flex;justify-content:space-between;font-size:11px;margin-bottom:7px}
.nguon{font-size:11.5px;color:var(--chu-nhat);line-height:1.5;margin-top:16px;border-top:1px solid var(--vien);padding-top:10px}

/* ---------- marker ---------- */
.ghim{display:flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:700;
  font-size:12px;box-shadow:0 2px 6px rgba(0,0,0,.35);border:2px solid #fff}
.ghim.ch{background:var(--xanh);width:28px;height:28px}
.ghim.kho{background:#41525f;width:24px;height:24px;font-size:10px;border-radius:7px}
.ghim.dt{background:var(--tim);width:22px;height:22px;font-size:10px}
.ghim.pa{background:var(--cam);width:30px;height:30px;font-size:13px}
.ghim.nhap{background:var(--do);width:32px;height:32px;font-size:15px;animation:nhay .9s ease-in-out infinite alternate}
@keyframes nhay{to{transform:scale(1.12)}}

/* ---------- pin ---------- */
.lop-pin{position:fixed;inset:0;z-index:3000;background:#1b2430;display:flex;align-items:center;justify-content:center;padding:24px}
.hop-pin{background:#fff;border-radius:18px;padding:26px 22px;width:min(340px,100%);text-align:center}
.hop-pin h2{margin:0 0 6px;font-size:19px}
.hop-pin p{margin:0 0 16px;font-size:13.5px;color:var(--chu-nhat)}
.hop-pin input{width:100%;border:1px solid var(--vien);border-radius:11px;padding:12px;font-size:17px;text-align:center;letter-spacing:.25em}
.hop-pin button{width:100%;margin-top:11px;border:0;border-radius:11px;background:var(--chu);color:#fff;padding:12px;font-size:15px;font-weight:600;cursor:pointer}
.loi{color:var(--do);font-size:13px;margin-top:10px!important}

/* ---------- dialog ---------- */
dialog{border:0;border-radius:16px;padding:20px;width:min(430px,92vw);box-shadow:var(--bong);color:var(--chu)}
dialog::backdrop{background:rgba(20,28,38,.45)}
dialog h3{margin:0 0 14px;font-size:17px}
dialog label{display:block;font-size:12.5px;color:var(--chu-nhat);margin-bottom:11px}
dialog input,dialog select,dialog textarea{width:100%;margin-top:4px;border:1px solid var(--vien);border-radius:10px;
  padding:9px 10px;font-size:14.5px;font-family:inherit;color:var(--chu);background:#fff}
dialog textarea{resize:vertical}
.hang-3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.dv{color:#9aa3ad}

/* ---------- toast ---------- */
.toast{position:fixed;z-index:4000;left:50%;transform:translateX(-50%) translateY(20px);bottom:86px;
  background:#1b2430;color:#fff;border-radius:11px;padding:11px 17px;font-size:13.5px;max-width:86vw;
  opacity:0;pointer-events:none;transition:.2s}
.toast.hien{opacity:1;transform:translateX(-50%)}