/* Bút Đàm · hộp MỜI dùng chung. Tự lấy token của Góc học nếu có, không thì dùng màu web chính:
   xanh rêu #163A36 · đồng #B78A3E · giấy #F7F4EE · son #B4432D. */
.bdm, .bdm-noi{
  --m-deep: var(--deep, #163A36);
  --m-on-deep: var(--onDeep, #F7F4EE);
  --m-acc: var(--acc, #B78A3E);
  --m-son: var(--son, #B4432D);
  --m-paper: var(--paper, #F7F4EE);
  --m-surf: var(--surf, #FFFDF8);
  --m-surf2: var(--surf2, #F1ECE1);
  --m-ink: var(--ink, #1C2321);
  --m-mute: var(--mute, #5A625E);
  --m-line: var(--line, rgba(28,35,33,.13));
  --m-bad: var(--bad, #A0362A);
  --m-good: var(--good, #2F6B4F);
  --m-r: var(--r, 14px);
  --m-r-s: var(--r-s, 10px);
  --m-ui: var(--f-ui, "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
  --m-dis: var(--f-dis, "Playfair Display", Georgia, "Times New Roman", serif);
  --m-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --m-pad: 28px;
}
.bdm{
  position: fixed; inset: 0; z-index: 2147483000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  font-family: var(--m-ui); color: var(--m-ink);
  font-size: 15px; line-height: 1.5; text-align: left;
  -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%;
}
.bdm[hidden], .bdm [hidden]{ display: none !important; }
.bdm *, .bdm *::before, .bdm *::after, .bdm-noi, .bdm-noi *{ box-sizing: border-box; }
html.bdm-khoa, html.bdm-khoa body{ overflow: hidden; }

.bdm-nen{
  position: absolute; inset: 0;
  background: rgba(12,22,20,.55);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  opacity: 0; transition: opacity .22s ease;
}
.bdm-hop{
  position: relative; width: 100%; max-width: 660px;
  max-height: calc(100vh - 48px); max-height: calc(100dvh - 48px);
  overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain;
  background: var(--m-surf); color: var(--m-ink);
  border: 1px solid var(--m-line); border-radius: 22px;
  box-shadow: 0 30px 80px -24px rgba(10,20,18,.5), 0 2px 10px rgba(10,20,18,.08);
  opacity: 0; transform: translateY(16px) scale(.985);
  transition: opacity .22s ease, transform .26s cubic-bezier(.2,.8,.2,1);
  scrollbar-width: thin;
}
.bdm.bdm-mo .bdm-nen{ opacity: 1; }
.bdm.bdm-mo .bdm-hop{ opacity: 1; transform: none; }
.bdm-keo{ display: none; }

.bdm-x{
  position: absolute; top: 14px; right: 14px; z-index: 3;
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 0; border-radius: 50%; background: color-mix(in srgb, var(--m-surf) 85%, transparent); color: var(--m-mute);
  cursor: pointer; padding: 0; margin: 0;
}
.bdm-x:hover{ background: var(--m-surf2); color: var(--m-ink); }

/* ---------- đầu hộp ---------- */
.bdm-dau{ padding: 28px 68px 16px var(--m-pad); }
.bdm-nho{
  margin: 0 0 8px; font-size: 12px; font-weight: 700; color: var(--m-acc);
  letter-spacing: .08em; text-transform: uppercase;
}
.bdm-nho span{ letter-spacing: .02em; font-weight: 500; }
.bdm h2, .bdm h3, .bdm-cap-ten, .bdm-tong-dong b{ font-variant-numeric: lining-nums tabular-nums; }
.bdm h2{
  margin: 0; font-family: var(--m-dis); font-weight: 500;
  font-size: 26px; line-height: 1.22; color: var(--m-ink);
  text-wrap: balance; outline: none; letter-spacing: -.005em;
}
.bdm-hua{ margin: 8px 0 0; font-size: 14px; color: var(--m-mute); }

/* ---------- tab ---------- */
.bdm-tabs{
  display: grid; grid-template-columns: 1fr 1.35fr; gap: 4px;
  margin: 4px var(--m-pad) 0; padding: 4px; border-radius: 12px;
  background: var(--m-surf2);
}
.bdm-tabs button{
  display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 8px 12px; margin: 0;
  border: 1px solid transparent; border-radius: 9px;
  background: transparent; color: var(--m-mute);
  font: 600 14px/1.25 var(--m-ui); text-align: left; cursor: pointer;
}
.bdm-tabs button svg{ flex: 0 0 auto; }
.bdm-tabs button span{ text-wrap: balance; }
.bdm-tabs button[aria-selected="true"]{
  background: var(--m-surf); color: var(--m-ink); border-color: var(--m-line);
  box-shadow: 0 1px 3px rgba(10,20,18,.08);
}
.bdm-tabs button[aria-selected="true"] svg{ color: var(--m-acc); }

/* ---------- thân, form ---------- */
.bdm-than{ padding: 20px var(--m-pad) 0; }
.bdm-form{ padding-bottom: 0; }
#bdm-p-tv{ padding-bottom: 26px; }
.bdm-hp{ position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.bdm fieldset{ border: 0; margin: 0 0 18px; padding: 0; min-width: 0; }
.bdm legend{
  display: flex; align-items: baseline; gap: 8px; width: 100%; padding: 0; margin: 0 0 10px;
  font-size: 12.5px; font-weight: 700; color: var(--m-ink); letter-spacing: .06em; text-transform: uppercase;
}
.bdm legend span{ font-weight: 500; color: var(--m-mute); letter-spacing: 0; text-transform: none; font-size: 13px; }

/* thẻ chọn cấp */
.bdm-cap-ds{ display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.bdm-cap{
  position: relative; display: flex; flex-direction: column; min-width: 0;
  border: 1px solid var(--m-line); border-radius: var(--m-r);
  background: var(--m-surf); overflow: hidden; cursor: pointer;
  transition: box-shadow .16s ease, border-color .16s ease, transform .16s ease;
}
.bdm-cap:hover{ border-color: color-mix(in srgb, var(--m-deep) 35%, var(--m-line)); transform: translateY(-1px); }
.bdm-cap input{ position: absolute; top: 10px; left: 10px; width: 1px; height: 1px; opacity: 0; margin: 0; }
.bdm-cap:has(input:checked){ border-color: var(--m-deep); box-shadow: 0 0 0 1.5px var(--m-deep), 0 10px 24px -14px rgba(22,58,54,.55); }
.bdm-cap:has(input:focus-visible){ outline: 2px solid var(--m-acc); outline-offset: 3px; }
.bdm-cap-anh{
  position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden;
  background:
    linear-gradient(0deg, rgba(247,244,238,.07) 1px, transparent 1px) 0 0 / 14px 14px,
    linear-gradient(90deg, rgba(247,244,238,.07) 1px, transparent 1px) 0 0 / 14px 14px,
    linear-gradient(150deg, color-mix(in srgb, var(--m-deep) 88%, #fff) 0%, var(--m-deep) 70%);
}
.bdm-cap-anh img{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.bdm-cap-han{
  display: none; position: absolute; inset: 0; place-items: center;
  font: 400 54px/1 "Noto Serif SC", "Songti SC", "SimSun", var(--m-dis), serif; color: var(--m-paper);
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.bdm-cap-han::after{
  content: ""; position: absolute; width: 64px; height: 64px; border: 1px solid color-mix(in srgb, var(--m-acc) 70%, transparent);
  border-radius: 4px; transform: rotate(45deg); opacity: .55;
}
.bdm-cap--chu .bdm-cap-han{ display: grid; }
.bdm-cap-than{ display: flex; flex-direction: column; gap: 3px; padding: 11px 13px 13px; min-width: 0; flex: 1 1 auto; }
.bdm-cap-dau{ display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.bdm-cap-hsk{ font-size: 11.5px; font-weight: 700; letter-spacing: .08em; color: var(--m-acc); text-transform: uppercase; }
.bdm-cap-tich{
  flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  border: 1.5px solid color-mix(in srgb, var(--m-ink) 28%, transparent); color: transparent; background: var(--m-surf);
  transition: background .15s, border-color .15s;
}
.bdm-cap:has(input:checked) .bdm-cap-tich{ background: var(--m-deep); border-color: var(--m-deep); color: var(--m-on-deep); }
.bdm-cap-ten{ font: 500 17px/1.25 var(--m-dis); color: var(--m-ink); }
.bdm-cap-ten em{ font-style: italic; color: var(--m-mute); }
.bdm-cap-gia{ margin-top: 2px; font-variant-numeric: tabular-nums; }
.bdm-cap-gia b{ font-size: 16px; font-weight: 700; color: var(--m-deep); }
.bdm-cap-gia s{ font-size: 12.5px; color: var(--m-mute); margin-left: 4px; }
.bdm-cap-mo{ display: flex; flex-direction: column; gap: 3px; margin-top: 6px; font-size: 12.5px; line-height: 1.4; color: var(--m-mute); }
.bdm-cap-mo > span{ display: flex; gap: 5px; align-items: flex-start; }
.bdm-cap-mo svg{ flex: 0 0 auto; margin-top: 2px; }
.bdm-web{
  display: inline-flex !important; align-self: flex-start; margin-top: 3px; padding: 2px 8px; border-radius: 99px;
  font-size: 11.5px; font-weight: 600; line-height: 1.35;
}
.bdm-web--mo{ background: color-mix(in srgb, var(--m-good) 12%, var(--m-surf)); color: var(--m-good); }
.bdm-web--soan{ background: color-mix(in srgb, var(--m-son) 10%, var(--m-surf)); color: var(--m-son); }

.bdm-sap{ display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 12px; }
.bdm-sap-nhan{ font-size: 12px; color: var(--m-mute); margin-right: 2px; }
.bdm-sap-o{
  display: inline-flex; gap: 4px; padding: 4px 10px; border-radius: 99px;
  border: 1px dashed color-mix(in srgb, var(--m-ink) 22%, transparent);
  font-size: 12px; color: var(--m-mute); opacity: .8; cursor: not-allowed;
}
.bdm-sap-o b{ font-weight: 600; color: var(--m-ink); }

/* trường nhập */
.bdm-hang{ display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.bdm-hang-dc{ grid-template-columns: .8fr 1.2fr; }
.bdm-truong{ margin: 0 0 12px; min-width: 0; }
.bdm-truong > label{ display: block; margin: 0 0 6px; font-size: 13.5px; font-weight: 600; color: var(--m-ink); }
.bdm-truong > label span{ font-weight: 400; color: var(--m-mute); }
.bdm input:not([type="radio"]):not([type="checkbox"]), .bdm select, .bdm textarea{
  display: block; width: 100%; margin: 0;
  padding: 10px 12px; min-height: 46px;
  font: 400 16px/1.4 var(--m-ui); color: var(--m-ink);
  background: #fff; border: 1px solid color-mix(in srgb, var(--m-ink) 20%, transparent);
  border-radius: var(--m-r-s); box-shadow: none; appearance: none; -webkit-appearance: none;
}
.bdm select{
  padding-right: 36px; text-overflow: ellipsis;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A625E' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M7 10l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; background-size: 18px;
}
.bdm textarea{ resize: vertical; min-height: 60px; }
.bdm input::placeholder, .bdm textarea::placeholder{ color: color-mix(in srgb, var(--m-mute) 70%, transparent); }
.bdm input:focus, .bdm select:focus, .bdm textarea:focus{
  outline: none; border-color: var(--m-deep);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--m-deep) 16%, transparent);
}
.bdm [aria-invalid="true"]{ border-color: var(--m-bad) !important; }
.bdm-goi-y{ margin: 5px 0 0; font-size: 12.5px; color: var(--m-mute); }
.bdm-loi{ margin: 4px 0 0; font-size: 12.5px; color: var(--m-bad); }
.bdm-loi:empty{ display: none; }
.bdm-loi-gui{ margin: 0 0 10px; font-size: 13.5px; }
.bdm-loi-gui a{ color: inherit; }

.bdm-cam-ket{ margin: 2px 0 18px; }
.bdm-cam-ket ul{ list-style: none; margin: 0; padding: 12px 14px; border-radius: var(--m-r-s); background: var(--m-paper); border: 1px solid var(--m-line); }
.bdm-cam-ket li{ display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; line-height: 1.45; color: var(--m-ink); }
.bdm-cam-ket li + li{ margin-top: 7px; }
.bdm-cam-ket svg{ flex: 0 0 auto; margin-top: 2px; color: var(--m-acc); }

/* chân dính: tổng tiền + nút gửi luôn thấy */
.bdm-chan{
  position: sticky; bottom: 0; z-index: 2;
  margin: 0 calc(-1 * var(--m-pad)); padding: 14px var(--m-pad) calc(16px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--m-surf) 94%, transparent);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border-top: 1px solid var(--m-line);
  box-shadow: 0 -12px 24px -20px rgba(10,20,18,.4);
}
.bdm-tong{ margin: 0 0 10px; }
.bdm-tong-rong{ margin: 0; font-size: 13.5px; color: var(--m-mute); }
.bdm-tong-dong{ display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.bdm-tong-dong span{ font-size: 14px; font-weight: 600; color: var(--m-ink); }
.bdm-tong-dong b{ font: 600 24px/1.1 var(--m-dis); color: var(--m-deep); font-variant-numeric: tabular-nums; }
.bdm-tong-phu{ margin: 2px 0 0; font-size: 13px; color: var(--m-mute); font-variant-numeric: tabular-nums; }
.bdm-tong-phu b{ color: var(--m-ink); font-weight: 600; }
.bdm-soan{ margin: 10px 0 0; padding: 8px 12px; border-radius: 9px; font-size: 13px; line-height: 1.45; color: var(--m-son); background: color-mix(in srgb, var(--m-son) 7%, var(--m-surf)); }

/* nút */
.bdm-nut{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 12px 20px; margin: 0;
  border-radius: 12px; border: 1px solid transparent;
  font: 600 15.5px/1.2 var(--m-ui); text-decoration: none; cursor: pointer; text-align: center;
  transition: background .15s, box-shadow .15s;
}
.bdm-nut-chinh{ width: 100%; background: var(--m-deep); color: var(--m-on-deep); box-shadow: 0 8px 18px -10px rgba(22,58,54,.7); }
.bdm-nut-chinh:hover{ background: color-mix(in srgb, var(--m-deep) 86%, #000); }
.bdm-nut-chinh:disabled{ opacity: .7; cursor: progress; }
.bdm-nut-phu{ background: transparent; color: var(--m-deep); border-color: color-mix(in srgb, var(--m-deep) 38%, transparent); }
.bdm-nut-phu:hover{ background: color-mix(in srgb, var(--m-deep) 6%, transparent); }
.bdm-nut-nho{ min-height: 40px; padding: 8px 14px; font-size: 14px; border-radius: 10px; flex: 0 0 auto; }
.bdm-nut:focus-visible, .bdm-tabs button:focus-visible, .bdm-x:focus-visible, .bdm-chep:focus-visible,
.bdm-lien-ket:focus-visible, .bdm-tt-don summary:focus-visible, .bdm-noi button:focus-visible{
  outline: 2px solid var(--m-acc); outline-offset: 2px;
}
.bdm-rieng{ margin: 9px 0 0; text-align: center; font-size: 12px; color: var(--m-mute); }
.bdm-dan{ margin: 0 0 14px; font-size: 14px; color: var(--m-ink); }
.bdm-hoan{ margin: 10px 0 0; color: var(--m-mute); font-size: 13px; }
.bdm-lien-ket{ border: 0; background: none; padding: 0; margin: 0; font: inherit; color: var(--m-deep); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

/* ---------- màn sau khi gửi (chuyển khoản / thành công) ---------- */
.bdm-man{ padding: 30px 0 26px; outline: none; }
.bdm-man h3{ outline: none; }
.bdm-ck-dau{ display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 0 52px 10px 0; }
.bdm-the-don{ font-size: 13px; color: var(--m-mute); }
.bdm-the-don b{ font-family: var(--m-mono); font-size: 14px; color: var(--m-ink); letter-spacing: .04em; }
.bdm-nhan-tt{ display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 700; background: var(--m-surf2); color: var(--m-mute); }
.bdm-nhan-tt--cho{ background: color-mix(in srgb, var(--m-acc) 16%, var(--m-surf)); color: color-mix(in srgb, var(--m-acc) 70%, #000); }
.bdm-nhan-tt--thieu{ background: color-mix(in srgb, var(--m-son) 12%, var(--m-surf)); color: var(--m-son); }
.bdm-man h3{ margin: 0 0 6px; font: 500 28px/1.2 var(--m-dis); color: var(--m-ink); font-variant-numeric: lining-nums tabular-nums; }
.bdm-ck-phu{ margin: 0 0 18px; font-size: 14.5px; color: var(--m-mute); }
.bdm-ck-phu b{ color: var(--m-ink); }

.bdm-qr{ display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 20px; align-items: start; }
.bdm-qr:not(:has(.bdm-qr-anh)){ grid-template-columns: minmax(0, 1fr); }
.bdm-qr-anh{ margin: 0; padding: 10px 10px 8px; background: #fff; border: 1px solid var(--m-line); border-radius: var(--m-r); box-shadow: 0 10px 26px -18px rgba(10,20,18,.45); }
.bdm-qr-anh img{ display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: contain; border-radius: 6px; background: #fff; }
.bdm-qr-anh figcaption{ margin-top: 6px; text-align: center; font-size: 12px; line-height: 1.4; color: var(--m-mute); }
.bdm-chi-dt{ display: none; }
.bdm-qr-ct{ min-width: 0; }
.bdm-dong{
  display: grid; grid-template-columns: 108px minmax(0, 1fr) auto; align-items: center; gap: 8px;
  padding: 8px 0; border-bottom: 1px solid var(--m-line); font-size: 14px;
}
.bdm-dong-nhan{ color: var(--m-mute); font-size: 13px; }
.bdm-dong b{ min-width: 0; overflow-wrap: anywhere; font-weight: 600; font-variant-numeric: tabular-nums; }
.bdm-dong--noi{ margin-top: 6px; padding: 10px 10px; border: 1px solid color-mix(in srgb, var(--m-acc) 55%, transparent); border-radius: 10px; background: color-mix(in srgb, var(--m-acc) 9%, var(--m-surf)); }
.bdm-dong--noi b{ font-family: var(--m-mono); font-size: 18px; letter-spacing: .06em; color: var(--m-deep); }
.bdm-ck-nhac{ margin: 8px 0 0; font-size: 12.5px; color: var(--m-mute); }
.bdm-chep{
  display: inline-flex; align-items: center; gap: 4px;
  min-height: 34px; padding: 4px 10px; margin: 0;
  border: 1px solid var(--m-line); border-radius: 8px;
  background: var(--m-surf); color: var(--m-deep);
  font: 600 12.5px/1 var(--m-ui); cursor: pointer; white-space: nowrap;
}
.bdm-chep:hover{ background: var(--m-surf2); }

.bdm-cho{
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin: 20px 0 14px; padding: 12px 14px; border-radius: 12px;
  background: var(--m-paper); border: 1px solid var(--m-line);
}
.bdm-cho-chu{ display: flex; align-items: center; gap: 10px; margin: 0; font-size: 14px; color: var(--m-ink); flex: 1 1 240px; }
.bdm-cho-chu svg{ flex: 0 0 auto; color: var(--m-acc); }
.bdm-cho-tay{ flex: 1 1 100%; display: grid; gap: 6px; }
.bdm-ho-tro{ margin: 8px 0 0; font-size: 13px; color: var(--m-mute); }
.bdm-cho-tay .bdm-ho-tro{ margin: 0 0 0 28px; }
.bdm-ho-tro a{ color: var(--m-deep); font-weight: 600; text-underline-offset: 2px; overflow-wrap: anywhere; }
.bdm-xoay{
  flex: 0 0 auto; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--m-deep) 20%, transparent); border-top-color: var(--m-deep);
  animation: bdm-xoay .9s linear infinite;
}
@keyframes bdm-xoay{ to{ transform: rotate(360deg); } }

.bdm-tt-don{ margin: 0 0 16px; border: 1px solid var(--m-line); border-radius: 12px; background: var(--m-surf); }
.bdm-tt-don summary{ padding: 12px 14px; font-size: 14px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; border-radius: 12px; }
.bdm-tt-don summary::-webkit-details-marker{ display: none; }
.bdm-tt-don summary::after{ content: "+"; font-size: 18px; color: var(--m-mute); line-height: 1; }
.bdm-tt-don[open] summary::after{ content: "–"; }
.bdm-tt-don > :not(summary){ margin-left: 14px; margin-right: 14px; }
.bdm-tt-don .bdm-hoan{ margin-bottom: 14px; }
.bdm-ds-cap{ list-style: none; padding: 0; margin: 0 0 8px; }
.bdm-ds-cap li{ display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; font-size: 14px; border-bottom: 1px dashed var(--m-line); }
.bdm-ds-cap b{ font-weight: 600; }
.bdm-tt-don dl{ margin: 0 0 12px; }
.bdm-tt-don dl div{ display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; font-size: 13.5px; }
.bdm-tt-don dt{ color: var(--m-mute); }
.bdm-tt-don dd{ margin: 0; font-weight: 600; text-align: right; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.bdm-ck-chan{ margin: 14px 0 0; font-size: 12.5px; color: var(--m-mute); text-align: center; }

.bdm-xong-nut{ display: flex; gap: 10px; margin-top: 16px; }
.bdm-xong-nut .bdm-nut{ flex: 1 1 0; }

/* thành công */
.bdm-tc-dau{ display: flex; gap: 14px; align-items: center; margin: 0 52px 18px 0; }
.bdm-tc-dau-o{ flex: 0 0 auto; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--m-good); color: var(--m-on-deep); box-shadow: 0 0 0 6px color-mix(in srgb, var(--m-good) 14%, transparent); }
.bdm-tc-dau-o--cho{ background: var(--m-acc); box-shadow: 0 0 0 6px color-mix(in srgb, var(--m-acc) 16%, transparent); }
.bdm-tc-dau h3{ margin: 2px 0 0; }
.bdm-tc-dau .bdm-the-don{ margin: 0; }
.bdm-ma{
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 4px 12px;
  padding: 16px 18px; margin: 0 0 16px; border-radius: 14px;
  background: var(--m-paper); border: 1.5px dashed var(--m-acc);
}
.bdm-ma-nhan{ grid-column: 1 / -1; font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--m-acc); }
.bdm-ma b{ font: 700 26px/1.15 var(--m-mono); letter-spacing: .06em; color: var(--m-deep); overflow-wrap: anywhere; }
.bdm-tc-cap{ list-style: none; margin: 0 0 12px; padding: 0; }
.bdm-tc-cap li{ display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 10px; padding: 9px 0; border-bottom: 1px solid var(--m-line); font-size: 14.5px; }
.bdm-tc-cap .bdm-web{ margin: 0; }
.bdm-tc-ghi{ margin: 0 0 14px; font-size: 13.5px; color: var(--m-mute); }
.bdm-tc-ghi:empty{ display: none; }
.bdm-tc .bdm-nut-chinh{ margin: 4px 0 12px; }
.bdm-tc-giao{ padding: 12px 14px; border-radius: 12px; background: var(--m-surf2); font-size: 13.5px; color: var(--m-ink); }
.bdm-tc-giao p{ margin: 0; }
.bdm-tc-giao p + p{ margin-top: 4px; color: var(--m-mute); }

/* ---------- nút nổi: đơn đang chờ ---------- */
.bdm-noi{
  position: fixed; left: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 2147482000;
  display: flex; align-items: stretch; max-width: calc(100vw - 32px);
  font: 500 13.5px/1.3 var(--m-ui); color: var(--m-on-deep);
  background: var(--m-deep); border-radius: 99px;
  box-shadow: 0 12px 28px -12px rgba(10,20,18,.6), 0 2px 6px rgba(10,20,18,.2);
  animation: bdm-noi-vao .3s cubic-bezier(.2,.8,.2,1);
}
.bdm-noi[hidden]{ display: none; }
.bdm-noi button{ border: 0; background: none; color: inherit; font: inherit; cursor: pointer; margin: 0; }
.bdm-noi-mo{ display: flex; align-items: center; gap: 9px; padding: 11px 6px 11px 16px; min-height: 44px; text-align: left; min-width: 0; }
.bdm-noi-mo span:last-child{ min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bdm-noi-mo b{ font-weight: 700; color: color-mix(in srgb, var(--m-acc) 55%, #fff); }
.bdm-noi-x{ display: grid; place-items: center; width: 40px; padding: 0 10px 0 4px; opacity: .75; }
.bdm-noi-x:hover{ opacity: 1; }
.bdm-noi-cham{ flex: 0 0 auto; width: 9px; height: 9px; border-radius: 50%; background: var(--m-acc); box-shadow: 0 0 0 0 color-mix(in srgb, var(--m-acc) 60%, transparent); animation: bdm-nhip 1.8s ease-out infinite; }
.bdm-noi-cham--xong{ background: #7BC79A; animation: none; }
@keyframes bdm-nhip{ 0%{ box-shadow: 0 0 0 0 color-mix(in srgb, var(--m-acc) 60%, transparent); } 80%, 100%{ box-shadow: 0 0 0 8px transparent; } }
@keyframes bdm-noi-vao{ from{ transform: translateY(16px); opacity: 0; } }

/* ---------- điện thoại: tấm trượt từ dưới lên ---------- */
@media (max-width: 640px){
  .bdm, .bdm-noi{ --m-pad: 18px; }
  .bdm{ align-items: flex-end; padding: 0; }
  .bdm-hop{
    max-width: none; max-height: 94vh; max-height: 94dvh;
    border-radius: 22px 22px 0 0; border-bottom: 0;
    transform: translateY(100%); opacity: 1;
    transition: transform .3s cubic-bezier(.2,.8,.2,1);
  }
  .bdm-keo{ display: block; width: 42px; height: 4px; margin: 8px auto 0; border-radius: 4px; background: color-mix(in srgb, var(--m-ink) 20%, transparent); }
  .bdm-x{ top: 10px; right: 8px; }
  .bdm-dau{ padding: 12px 56px 12px var(--m-pad); }
  .bdm h2{ font-size: 21px; }
  .bdm-hua{ font-size: 13px; margin-top: 6px; }
  .bdm-tabs{ grid-template-columns: 1fr 1.5fr; }
  .bdm-tabs button{ font-size: 13px; padding: 7px 8px; gap: 6px; min-height: 48px; }
  .bdm-than{ padding-top: 16px; }
  .bdm-hang, .bdm-hang-dc{ grid-template-columns: minmax(0, 1fr); }
  .bdm-cap-ds{ grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .bdm-cap{ flex-direction: row; }
  .bdm-cap:hover{ transform: none; }
  .bdm-cap-anh{ flex: 0 0 92px; aspect-ratio: auto; min-height: 100%; }
  .bdm-cap-han{ font-size: 40px; }
  .bdm-cap-han::after{ width: 46px; height: 46px; }
  .bdm-cap-than{ padding: 10px 12px 11px; }
  .bdm-cap-ten{ font-size: 16px; }
  .bdm-man{ padding-top: 22px; }
  .bdm-man h3{ font-size: 24px; }
  .bdm-qr{ grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .bdm-qr-ct{ order: -1; }  /* điện thoại: chép số tài khoản trước, QR để lưu ảnh */
  .bdm-qr-anh{ width: min(220px, 100%); justify-self: center; }
  .bdm-chi-mt{ display: none; }
  .bdm-chi-dt{ display: inline; }
  .bdm-chan{ padding-top: 12px; }
  .bdm-tong{ margin-bottom: 8px; }
  .bdm-rieng{ display: none; }
  .bdm-dong{ grid-template-columns: 92px minmax(0, 1fr) auto; }
  .bdm-dong--noi b{ font-size: 16px; }
  .bdm-ma b{ font-size: 22px; }
  .bdm-xong-nut{ flex-direction: column-reverse; }
  .bdm-noi{ left: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); max-width: calc(100vw - 24px); }
}
@media (max-width: 380px){
  .bdm h2{ font-size: 19px; }
  .bdm-tabs button svg{ display: none; }
  .bdm-cap-anh{ flex-basis: 76px; }
  .bdm-dong{ grid-template-columns: minmax(0, 1fr) auto; }
  .bdm-dong-nhan{ grid-column: 1 / -1; margin-bottom: -4px; }
  .bdm-ma b{ font-size: 20px; }
  .bdm-tong-dong b{ font-size: 21px; }
}
@media (prefers-reduced-motion: reduce){
  .bdm-nen, .bdm-hop, .bdm-cap, .bdm-noi{ transition: none !important; animation: none !important; }
  .bdm-xoay, .bdm-noi-cham{ animation-duration: 3s; }
}