/* ============================================================
   XEPHANG — kieu dang chung cho cac trang cua QUAN
   (Quay, Thuc don, Tra loi tu dong, Cai dat).
   Mau chu dao: xanh ngoc #00AB8A tren nen trang (bo nhan dien MC).
   ============================================================ */
:root{
  --nen:#f3f6f5; --the:#ffffff; --vien:#e1e8e6; --vien-dam:#c9d5d2;
  --chu:#13211e; --mo:#5d6f6b; --mo-nhat:#8a9a96;
  --chinh:#00AB8A; --chinh-dam:#008c71; --chinh-nhat:#e2f5f0; --chinh-vien:#9ed9ca;
  --cam:#f08c00; --cam-nhat:#fff4e0; --cam-vien:#f3cf8d;
  --do:#d93b3b; --do-nhat:#fdecec; --do-vien:#f1b3b3;
  --xanhduong:#2f6fdb; --xanhduong-nhat:#e8f0fe;
  --bo:16px; --bong:0 1px 2px rgba(16,40,34,.06),0 4px 14px rgba(16,40,34,.05);
  --cao-nav:64px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--nen);color:var(--chu);
  font:16px/1.5 -apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  padding-bottom:calc(var(--cao-nav) + 24px + env(safe-area-inset-bottom))}
body.khong-nav{padding-bottom:30px}
a{color:var(--chinh-dam)}
h1,h2,h3{line-height:1.25;margin:0}
.an{display:none!important}

/* ---------- dau trang ---------- */
.dau{position:sticky;top:0;z-index:30;background:var(--the);border-bottom:1px solid var(--vien);
  display:flex;align-items:center;gap:10px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top))}
.dau .logo{width:36px;height:36px;border-radius:10px;background:var(--chinh);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0;letter-spacing:-.5px}
.dau .ten{flex:1;min-width:0}
.dau .ten b{display:block;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dau .ten small{display:block;color:var(--mo);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mang{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--mo)}
.mang::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--chinh)}
.mang.mat::before{background:var(--do)}

/* ---------- khung noi dung ---------- */
.trang{max-width:980px;margin:0 auto;padding:14px}
.trang.hep{max-width:720px}
.the{background:var(--the);border:1px solid var(--vien);border-radius:var(--bo);padding:16px;margin-bottom:14px;box-shadow:var(--bong)}
.the > h2{font-size:18px;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.the > h2 .phai{margin-left:auto}
.giai{color:var(--mo);font-size:14px;margin:2px 0 12px;line-height:1.55}
.nho{font-size:13px;color:var(--mo)}
.tieu-muc{font-size:13px;font-weight:700;color:var(--mo);text-transform:uppercase;letter-spacing:.6px;margin:20px 4px 8px}

/* ---------- nut ---------- */
button,.nut{font:inherit;font-weight:650;border:0;border-radius:12px;padding:12px 16px;min-height:46px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;line-height:1.2;
  background:#eef2f1;color:var(--chu);transition:transform .08s,filter .15s}
button:active,.nut:active{transform:scale(.97)}
button:disabled,.nut.tat{opacity:.45;pointer-events:none}
.nut-chinh{background:var(--chinh);color:#fff}
.nut-chinh:hover{filter:brightness(1.05)}
.nut-cam{background:var(--cam);color:#fff}
.nut-do{background:var(--do);color:#fff}
.nut-vien{background:#fff;border:1.5px solid var(--vien-dam);color:var(--chu)}
.nut-vien-chinh{background:#fff;border:1.5px solid var(--chinh);color:var(--chinh-dam)}
.nut-chu{background:transparent;color:var(--chinh-dam);padding:8px 10px;min-height:38px}
.nut-chu.do{color:var(--do)}
.nut-to{width:100%;min-height:56px;font-size:17.5px;border-radius:14px}
.nut-nho{min-height:36px;padding:7px 12px;font-size:14px;border-radius:10px}
.hang-nut{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.hang-nut > *{flex:1;min-width:130px}
.hang-nut.gon > *{flex:0 0 auto;min-width:0}

/* ---------- o nhap ---------- */
label.nhan{display:block;font-size:14px;font-weight:650;margin:14px 2px 6px}
label.nhan small{font-weight:400;color:var(--mo)}
input[type=text],input[type=tel],input[type=number],input[type=password],input[type=time],input[type=search],select,textarea{
  font:inherit;width:100%;padding:12px 13px;border-radius:12px;border:1.5px solid var(--vien-dam);background:#fbfdfc;color:var(--chu);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--chinh);background:#fff;box-shadow:0 0 0 3px var(--chinh-nhat)}
textarea{min-height:88px;resize:vertical;line-height:1.5}
.goi-y{font-size:12.5px;color:var(--mo);margin:5px 2px 0}

/* cong tac bat/tat */
.cong-tac{display:flex;align-items:center;gap:12px;cursor:pointer;user-select:none;padding:6px 0}
.cong-tac .cau{flex:1}
.cong-tac .cau b{display:block}
.cong-tac .cau small{color:var(--mo)}
.sw{width:52px;height:30px;border-radius:30px;background:#b7c3c0;position:relative;flex-shrink:0;transition:.2s}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;
  box-shadow:0 1px 3px rgba(0,0,0,.25);transition:.2s}
.sw.on{background:var(--chinh)}.sw.on::after{left:25px}

/* chip */
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 12px;font-size:13.5px;font-weight:600;
  background:var(--chinh-nhat);color:var(--chinh-dam);border:1px solid var(--chinh-vien)}
.chip.xam{background:#eef2f1;color:var(--mo);border-color:var(--vien)}
.chip.cam{background:var(--cam-nhat);color:#9a5a00;border-color:var(--cam-vien)}
.chip.do{background:var(--do-nhat);color:#a52727;border-color:var(--do-vien)}

/* hop canh bao */
.bao-hop{border-radius:14px;padding:13px 15px;margin-bottom:14px;font-size:14.5px;line-height:1.55;display:flex;gap:12px;align-items:flex-start}
.bao-hop .ic{font-size:22px;line-height:1}
.bao-hop.cam{background:var(--cam-nhat);border:1px solid var(--cam-vien)}
.bao-hop.do{background:var(--do-nhat);border:1px solid var(--do-vien)}
.bao-hop.xanh{background:var(--chinh-nhat);border:1px solid var(--chinh-vien)}
.bao-hop .nd{flex:1}
.bao-hop .nd b{display:block;margin-bottom:2px}

/* ---------- thanh dieu huong duoi ---------- */
.nav{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--vien);
  display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 16px rgba(16,40,34,.06)}
.nav a{flex:1;max-width:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  height:var(--cao-nav);text-decoration:none;color:var(--mo);font-size:12px;font-weight:650;position:relative}
.nav a .i{font-size:22px;line-height:1;filter:grayscale(1);opacity:.7}
.nav a.dang{color:var(--chinh-dam)}
.nav a.dang .i{filter:none;opacity:1}
.nav a.dang::before{content:"";position:absolute;top:0;left:25%;right:25%;height:3px;border-radius:0 0 3px 3px;background:var(--chinh)}
.nav a .so{position:absolute;top:6px;left:calc(50% + 8px);background:var(--do);color:#fff;font-size:11px;font-weight:800;
  min-width:18px;height:18px;border-radius:9px;padding:0 5px;display:flex;align-items:center;justify-content:center}

/* ---------- thong bao nho (toast) ---------- */
.toast{position:fixed;left:50%;bottom:calc(var(--cao-nav) + 18px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(20px);
  background:#13211e;color:#fff;padding:12px 18px;border-radius:14px;font-size:15px;z-index:90;opacity:0;pointer-events:none;
  transition:.25s;max-width:92vw;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.toast.hien{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.loi{background:var(--do)}
body.khong-nav .toast{bottom:24px}

/* thanh mat mang */
.mat-mang{position:sticky;top:0;z-index:35;background:var(--do);color:#fff;text-align:center;font-size:14px;font-weight:650;padding:8px 12px}

/* ---------- hop thoai ---------- */
.man-che{position:fixed;inset:0;background:rgba(10,25,21,.45);z-index:80;display:flex;align-items:flex-end;justify-content:center}
@media(min-width:700px){.man-che{align-items:center}}
.hop-thoai{background:#fff;width:100%;max-width:520px;border-radius:20px 20px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom));
  max-height:88vh;overflow:auto;animation:len .2s ease}
@media(min-width:700px){.hop-thoai{border-radius:20px}}
@keyframes len{from{transform:translateY(30px);opacity:.4}to{transform:none;opacity:1}}
.hop-thoai h3{font-size:19px;margin-bottom:6px}

/* ---------- man dang nhap ---------- */
.dang-nhap{max-width:400px;margin:8vh auto 0;padding:0 18px;text-align:center}
.logo-to{width:84px;height:84px;border-radius:24px;background:var(--chinh);color:#fff;display:flex;align-items:center;
  justify-content:center;font-weight:800;font-size:32px;margin:0 auto 14px;letter-spacing:-1px;box-shadow:0 10px 30px rgba(0,171,138,.35)}
.dang-nhap h1{font-size:24px}
.dang-nhap .the{text-align:left;margin-top:18px}
.dang-nhap input{font-size:18px}
.dang-nhap #dnPin{letter-spacing:6px;text-align:center;font-size:22px}

/* ---------- tien ich ---------- */
.giua{text-align:center}
.cach{height:10px}
.dong-doi{display:flex;gap:10px}
.dong-doi > *{flex:1}
@media(max-width:420px){.dong-doi.gap{flex-direction:column}}
.tach{border:0;border-top:1px dashed var(--vien-dam);margin:16px 0}
.trong-rong{color:var(--mo);text-align:center;padding:26px 10px;font-size:15px}
.trong-rong .ic{font-size:40px;display:block;margin-bottom:6px}