/* 💎 MUA GÓI FULL — Kho chữ Hán bản công khai (28/9/2026). Tệp RIÊNG của bản công khai (không đụng
 * /kho/kho.css dùng chung với trang học viên). Dùng lại biến màu của kho.css (--oliu, --kem…). */

/* ---- băng trạng thái (bổ sung cho .kh-han-muc ở kho.css) ---- */
.kh-han-muc.goi-full { background: #f3eefb; border-color: #b9a6dc; color: #4b3a72; }
.kh-han-muc.goi-full b { color: #3a2a60; }
.kh-han-muc.tuan-thu.sap-het { background: var(--vang-nhat); border-color: var(--vang); color: #7a5a12; }
.kh-han-muc.tuan-thu.sap-het b { color: #6a4a10; }
.kh-mg-nut-mua { display: flex; width: fit-content; margin-top: 8px; min-height: 40px; }

/* ---- hộp thoại ---- */
body.kh-mg-khoa-cuon { overflow: hidden; }
.kh-mg-phu {
  position: fixed; inset: 0; z-index: 9000; display: none;
  background: rgba(40, 32, 16, .42); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  align-items: center; justify-content: center;
  padding: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom));
}
.kh-mg-phu.mo { display: flex; }
.kh-mg-hop {
  width: 100%; max-width: 460px; max-height: 100%; display: flex; flex-direction: column; min-height: 0;
  background: var(--kem-sang); border-radius: 22px; box-shadow: 0 24px 60px -20px rgba(40, 30, 10, .55);
  overflow: hidden; animation: kh-mg-vao .28s cubic-bezier(.34, 1.4, .64, 1);
}
@keyframes kh-mg-vao { from { transform: translateY(14px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .kh-mg-hop { animation: none; } }
.kh-mg-dau { display: flex; align-items: center; gap: 6px; padding: 8px 8px 6px; border-bottom: 1px solid var(--vien-nhat); flex-shrink: 0; }
.kh-mg-tieu { flex: 1; text-align: center; font-weight: 800; font-size: 1rem; color: var(--nau); letter-spacing: -.01em; }
.kh-mg-x {
  width: 44px; height: 44px; border-radius: 50%; border: none; background: transparent; color: var(--nau-nhat);
  font: inherit; font-size: 1.35rem; line-height: 1; cursor: pointer; flex-shrink: 0;
}
.kh-mg-x:active { background: var(--kem-sau); }
.kh-mg-x.an { visibility: hidden; }
.kh-mg-than { overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 14px 16px 18px; min-height: 0; }
.kh-mg-than > * + * { margin-top: 10px; }

.kh-mg-rong { width: 100%; justify-content: center; box-sizing: border-box; text-decoration: none; }
a.kh-nut { text-decoration: none; }
.kh-mg-ds { display: flex; flex-direction: column; gap: 10px; }
.kh-mg-hang { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.kh-mg-gioi { color: var(--nau-nhat); font-size: .92rem; line-height: 1.6; }
.kh-mg-ghi { color: var(--nau-nhat); font-size: .8rem; line-height: 1.5; margin-top: 4px; }
.kh-mg-ghi.giua { text-align: center; }
.kh-mg-loi { color: var(--do-chu); font-size: .88rem; min-height: 1.1em; }
.kh-mg-loi:empty { display: none; }

.kh-mg-trang {
  text-align: center; background: var(--kem-sau); border-radius: var(--r-trong); padding: 16px 14px;
  color: var(--nau-nhat); font-size: .9rem; line-height: 1.55;
}
.kh-mg-trang .oi { font-size: 2rem; line-height: 1.2; }
.kh-mg-trang b { display: block; color: var(--nau); font-size: 1.02rem; margin: 4px 0 2px; }
.kh-mg-trang.full { background: #f3eefb; }
.kh-mg-trang.thu { background: var(--oliu-nhat); }
.kh-mg-trang.het { background: var(--vang-nhat); }
.kh-mg-trang.lon .oi { font-size: 2.8rem; }

.kh-mg-ma {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center;
  background: #fff; border: 1.5px dashed var(--vien); border-radius: var(--r-trong); padding: 10px;
}
.kh-mg-ma b { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 1.35rem; letter-spacing: .08em; color: var(--oliu-dam); }

/* ---- chọn gói ---- */
.kh-mg-goi-ds { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.kh-mg-goi {
  text-align: left; font: inherit; color: var(--nau); cursor: pointer; padding: 12px; min-height: 44px;
  border-radius: var(--r-trong); border: 1.5px solid var(--vien); background: #fff; box-shadow: var(--bong);
  transition: transform .18s cubic-bezier(.34, 1.4, .64, 1);
}
.kh-mg-goi:active { transform: scale(.965); }
.kh-mg-goi.on { border-color: var(--oliu); background: var(--oliu-nhat); box-shadow: 0 0 0 2px var(--oliu) inset; }
.kh-mg-goi .ten { font-weight: 800; letter-spacing: -.01em; }
.kh-mg-goi .gia { font-size: 1.25rem; font-weight: 800; color: var(--oliu-dam); margin: 2px 0; font-variant-numeric: tabular-nums; }
.kh-mg-goi .thoi-han { font-size: .78rem; color: var(--nau-nhat); }
@media (prefers-reduced-motion: reduce) { .kh-mg-goi { transition: none; } }

.kh-mg-form { background: var(--kem-sau); border-radius: var(--r-trong); padding: 12px 12px 14px; }
.kh-mg-nhan { display: block; font-size: .8rem; font-weight: 700; color: var(--nau-nhat); margin: 10px 0 4px; }
.kh-mg-nhan:first-child { margin-top: 0; }
.kh-mg-form input {
  width: 100%; min-height: 46px; padding: 0 12px; border-radius: 12px; border: 1px solid var(--vien);
  font-size: 16px; box-sizing: border-box; font-family: inherit; background: #fff; color: var(--nau);
}
.kh-mg-form input:focus { outline: 2px solid var(--oliu); outline-offset: 0; border-color: var(--oliu); }

/* ---- thanh toán ---- */
.kh-mg-tong { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-weight: 700; }
.kh-mg-tong b { font-size: 1.4rem; color: var(--oliu-dam); font-variant-numeric: tabular-nums; }
.kh-mg-qr { display: flex; justify-content: center; }
.kh-mg-qr svg { width: min(210px, 54vw); height: auto; background: #fff; border-radius: 14px; border: 1px solid var(--vien); }
.kh-mg-tk { background: #fff; border: 1px solid var(--vien-nhat); border-radius: var(--r-trong); padding: 4px 12px; }
.kh-mg-dong { display: flex; align-items: center; gap: 8px; min-height: 42px; border-bottom: 1px solid var(--vien-nhat); font-size: .9rem; }
.kh-mg-dong:last-child { border-bottom: none; }
.kh-mg-dong .n { color: var(--nau-nhat); width: 104px; flex-shrink: 0; }
.kh-mg-dong b { flex: 1; min-width: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.kh-mg-chep {
  min-height: 34px; min-width: 52px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--vien);
  background: var(--kem-sang); color: var(--oliu-dam); font: inherit; font-size: .8rem; font-weight: 700; cursor: pointer;
}
.kh-mg-chep:active { transform: scale(.965); }
.kh-mg-canh { background: var(--vang-nhat); border-radius: 12px; padding: 10px 12px; font-size: .84rem; color: #7a5a12; line-height: 1.5; }
.kh-mg-cho { font-size: .88rem; color: var(--oliu-dam); line-height: 1.55; text-align: center; }
.kh-mg-buoc { margin: 0; padding-left: 20px; color: var(--nau); font-size: .9rem; line-height: 1.7; }
.kh-mg-moi { background: #f3eefb; border-radius: var(--r-trong); padding: 12px; margin: 14px 0 10px; text-align: center; }
.kh-mg-moi b { display: block; color: #3a2a60; margin-bottom: 4px; }
.kh-khoa .kh-mg-rong + .kh-mg-rong { margin-top: 10px; }

@media (max-width: 480px) {
  .kh-mg-phu { align-items: flex-end; padding: max(8px, env(safe-area-inset-top)) 0 0; }
  .kh-mg-hop { max-width: none; border-radius: 22px 22px 0 0; padding-bottom: env(safe-area-inset-bottom); }
  .kh-mg-nut-mua { width: 100%; justify-content: center; box-sizing: border-box; }
}

/* 🛡️ Ô đồng ý điều khoản 1 người · 2 thiết bị (29/9/2026) — chạm ≥44px, chữ dễ đọc cho học viên lớn tuổi. */
.kh-mg-dong-y { display: flex; gap: 10px; align-items: flex-start; margin: 12px 0 4px; padding: 10px 12px;
  border-radius: 12px; background: var(--kem-sang); border: 1px solid var(--vien-nhat); font-size: .86rem; line-height: 1.5; cursor: pointer; min-height: 44px; }
.kh-mg-dong-y input { width: 22px; height: 22px; flex: 0 0 22px; margin-top: 1px; accent-color: var(--oliu); }
/* 🛡️ Ô xác minh Cloudflare Turnstile (30/9/2026) — "interaction-only": rỗng (0 cao) với người thật, chỉ hiện
   khung ~65px khi Cloudflare cần người bấm. Căn giữa, không tràn ngang trên màn 320px. */
.kh-mg-xac-minh { display: flex; justify-content: center; max-width: 100%; overflow: hidden; }
.kh-mg-xac-minh:not(:empty) { margin-top: 10px; }