/* Đảo Khủng Long – giao diện cho iPad xoay ngang (vẫn chơi được trên điện thoại, máy tính) */
:root {
  --ink: #221a3b;
  --ink-2: #5b5575;
  --ink-3: #8a84a3;
  --tim: #6a4bc4;
  --tim-dam: #4a3494;
  --tim-nhat: #f1ecff;
  --cam: #ff6b35;
  --cam-dam: #d84f1d;
  --cam-nhat: #fff4ec;
  --xanh: #06d6a0;
  --xanh-dam: #0f6b62;
  --xanh-nhat: #e6faf4;
  --vang: #ffd166;
  --vang-nhat: #fff4d6;
  --do: #ef476f;
  --do-dam: #b3264b;
  --do-nhat: #fde4ea;
  --duong: #e6e1f3;
  --muc-chua_hoc: #d8d3e6;
  --muc-lam_quen: #ffd166;
  --muc-dang_luyen: #ff9f43;
  --muc-da_thuoc: #2ec4b6;
  --muc-vung_chac: #06a77d;
  --font: "Baloo 2", "Arial Rounded MT Bold", "Segoe UI", system-ui, -apple-system, sans-serif;
  --bong: 0 2px 4px rgba(34, 26, 59, .08), 0 14px 34px rgba(34, 26, 59, .18);
  --an-toan-tren: env(safe-area-inset-top, 0px);
  --an-toan-duoi: env(safe-area-inset-bottom, 0px);
  --an-toan-trai: env(safe-area-inset-left, 0px);
  --an-toan-phai: env(safe-area-inset-right, 0px);
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: #1a0b3d; color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; }
body { -webkit-user-select: none; user-select: none; -webkit-tap-highlight-color: transparent; -webkit-touch-callout: none; overscroll-behavior: none; }
button { font: inherit; color: inherit; cursor: pointer; touch-action: manipulation; }
button:disabled { cursor: default; }
input { font: inherit; -webkit-user-select: text; user-select: text; }
img { -webkit-user-drag: none; }
h1, h2, h3, p { margin: 0; }
.hidden { display: none !important; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 4px solid #ffd166; outline-offset: 3px; }

#app { position: fixed; inset: 0; }
.man { position: absolute; inset: 0; overflow: hidden; }

/* ---------- Nút chung ---------- */
.nut { border: 0; border-radius: 999px; padding: 12px 28px; min-height: 56px; font-size: 22px; font-weight: 800; line-height: 1.1; transition: transform .12s, box-shadow .12s, opacity .2s; }
.nut:active:not(:disabled) { transform: translateY(4px); }
.nut-cam { background: var(--cam); color: #fff; box-shadow: 0 6px 0 var(--cam-dam); }
.nut-cam:active:not(:disabled) { box-shadow: 0 2px 0 var(--cam-dam); }
.nut-cam:disabled { opacity: .45; }
.nut-trang { background: #fff; color: var(--ink); box-shadow: 0 5px 0 #d9d2ee; border: 2px solid #e6e0f5; }
.nut-trang:active:not(:disabled) { box-shadow: 0 1px 0 #d9d2ee; }
.nut-do { background: #fff; color: var(--do-dam); border: 2px solid #f6b9c8; box-shadow: 0 5px 0 #f3c9d4; }
.nut-to { font-size: 26px; min-height: 66px; padding: 14px 40px; }
.nut-hang { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.nut-hang.trai { justify-content: flex-start; }
.nut-quay { position: absolute; z-index: 5; left: calc(18px + var(--an-toan-trai)); top: calc(16px + var(--an-toan-tren)); width: 60px; height: 60px; border-radius: 50%; border: 0; background: #fff; color: var(--cam); font-size: 44px; line-height: 50px; font-weight: 800; box-shadow: var(--bong); padding-bottom: 6px; }
.nut-quay.trang { position: static; flex: none; }
.nut-nho { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 999px; background: rgba(255,255,255,.94); color: var(--ink-2); font-size: 16px; font-weight: 800; padding: 8px 14px; min-height: 44px; box-shadow: 0 3px 10px rgba(0,0,0,.18); }
.nut-nho svg { width: 18px; height: 18px; }
.nhan { display: block; font-size: 17px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin: 0 0 10px; }
.o-nhap { width: 100%; border: 2px solid #d9d0f5; background: #f4f1fd; border-radius: 18px; padding: 10px 20px; font-size: 32px; font-weight: 800; color: var(--ink); min-height: 66px; }
.o-nhap:focus { outline: none; border-color: var(--tim); background: #fff; }
.ghi-chu { font-size: 15px; color: var(--ink-3); text-align: center; margin-top: 12px; }
.thanh { height: 14px; border-radius: 99px; background: #eee9fa; overflow: hidden; }
.thanh i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, #7bdc5a, #06d6a0); transition: width .8s cubic-bezier(.2,.8,.2,1); }

/* ---------- Nền ---------- */
.man-troi { background: #3b2476 url(assets/img/bg-dusk-sky.webp) center / cover no-repeat; }
.man-troi::before { content: ""; position: absolute; inset: 0; background: rgba(26,11,61,.22); }
.man-dong-co { background: #9ad86a url(assets/img/bg-meadow.webp) center / cover no-repeat; }
.man-bien { background: #1fb3d6; }
.man-tai { display: grid; place-items: center; align-content: center; gap: 16px; background: #3b2476 url(assets/img/bg-dusk-sky.webp) center / cover; color: #fff; font-size: 24px; font-weight: 800; text-shadow: 0 2px 6px rgba(0,0,0,.35); }
.tai-trung { width: 140px; }

@media (prefers-reduced-motion: no-preference) {
  .lac { transform-origin: 50% 90%; animation: lac 2.6s ease-in-out infinite; }
  @keyframes lac { 0%, 62%, 100% { transform: rotate(0); } 70% { transform: rotate(-6deg); } 80% { transform: rotate(5deg); } 90% { transform: rotate(-2deg); } }
}

/* ---------- 1. Con là ai ---------- */
#man-chon-be { display: flex; flex-direction: column; align-items: center; padding: calc(56px + var(--an-toan-tren)) 24px 24px; overflow-y: auto; }
#man-chon-be > :not(.nut-trang-chu) { position: relative; }
.nut-trang-chu { position: absolute; left: calc(18px + var(--an-toan-trai)); top: calc(16px + var(--an-toan-tren)); color: #fff; text-decoration: none; font-weight: 800; font-size: 17px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.4); padding: 8px 14px; border-radius: 99px; }
.tieu-de-lon { font-size: clamp(38px, 6vw, 62px); font-weight: 800; color: #fff; text-align: center; line-height: 1.1; paint-order: stroke; -webkit-text-stroke: 8px #3b2476; text-shadow: 0 4px 0 #3b2476; }
.phu-de { color: #fff; font-size: clamp(18px, 2.4vw, 25px); margin: 10px 0 28px; text-align: center; text-shadow: 0 2px 6px rgba(0,0,0,.35); }
.the-be-luoi { display: flex; flex-wrap: wrap; justify-content: center; gap: 22px; max-width: 1100px; }
.the-be { width: 196px; border: 0; background: #fff; border-radius: 30px; padding: 18px 12px 16px; display: flex; flex-direction: column; align-items: center; gap: 2px; box-shadow: var(--bong); transition: transform .15s; }
.the-be:active { transform: scale(.96); }
.the-be-anh { width: 168px; height: 168px; border-radius: 50%; background: #e3f7f5; display: grid; place-items: center; overflow: hidden; margin-bottom: 8px; }
.the-be-anh.hong { background: #ffe6f0; }
.the-be-anh img { width: 90%; height: 90%; object-fit: contain; }
.the-be-anh.them { background: #f1ecff; color: var(--tim); font-size: 90px; font-weight: 700; line-height: 1; }
.the-be b { font-size: 36px; line-height: 1.1; }
.the-be small { font-size: 17px; color: var(--ink-2); }
.the-be-qua { display: flex; align-items: center; gap: 6px; font-size: 20px; font-weight: 800; color: #7b3fbf; margin-top: 4px; }
.the-be-qua img { width: 28px; }
.the-them { border: 3px dashed #c8bdf0; background: rgba(255,255,255,.9); }
.nut-bo-me { margin-top: 26px; display: inline-flex; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.5); background: rgba(255,255,255,.18); color: #fff; border-radius: 99px; padding: 10px 18px; font-size: 17px; font-weight: 800; }
.nut-bo-me svg { width: 18px; height: 18px; }

/* ---------- 2. Tạo hồ sơ ---------- */
#man-tao-ho-so { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 20px; align-items: center; padding: calc(20px + var(--an-toan-tren)) calc(28px + var(--an-toan-phai)) calc(20px + var(--an-toan-duoi)) calc(28px + var(--an-toan-trai)); }
#man-tao-ho-so > :not(.nut-quay) { position: relative; }
.th-ben-trai { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; padding-top: 70px; }
.bong-thoai { position: relative; background: #fff; border-radius: 28px; padding: 18px 24px; font-size: clamp(20px, 2.6vw, 27px); font-weight: 800; line-height: 1.25; box-shadow: var(--bong); max-width: 340px; align-self: flex-start; margin-left: 20px; }
.bong-thoai::after { content: ""; position: absolute; left: 60%; bottom: -24px; border: 14px solid transparent; border-top: 16px solid #fff; border-left-width: 10px; }
.th-khung-long { width: min(100%, 380px); max-height: 52vh; object-fit: contain; filter: drop-shadow(0 12px 14px rgba(0,0,0,.25)); margin-top: 26px; }
.th-bang { background: #fff; border-radius: 34px; padding: 28px 34px 30px; box-shadow: var(--bong); display: flex; flex-direction: column; gap: 18px; max-height: 100%; overflow-y: auto; }
.buoc-hang { list-style: none; display: flex; align-items: center; gap: 10px; padding: 0; margin: 0; font-size: 17px; font-weight: 800; color: var(--ink-3); }
.buoc-hang li { display: flex; align-items: center; gap: 8px; }
.buoc-hang li + li::before { content: ""; width: 44px; height: 4px; border-radius: 3px; background: var(--duong); margin-right: 4px; }
.buoc-hang i { width: 34px; height: 34px; border-radius: 50%; background: var(--duong); color: var(--ink-3); display: grid; place-items: center; font-style: normal; }
.buoc-hang li.dang { color: var(--cam-dam); } .buoc-hang li.dang i { background: var(--cam); color: #fff; }
.buoc-hang li.xong { color: var(--xanh-dam); } .buoc-hang li.xong i { background: var(--xanh); color: transparent; position: relative; }
.buoc-hang li.xong i::after { content: "✓"; color: #fff; position: absolute; inset: 0; display: grid; place-items: center; }
.goi-y-ten { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.chip-ten { border: 2px solid #e2dbf6; background: #fff; border-radius: 99px; padding: 6px 16px; font-size: 20px; font-weight: 700; }
.nut-tuoi-hang { display: flex; flex-wrap: wrap; gap: 12px; }
.nut-tuoi { width: 72px; height: 72px; border-radius: 50%; border: 0; background: #f4f1fd; font-size: 34px; font-weight: 800; transition: transform .12s, background .12s; }
.nut-tuoi.chon { background: var(--cam); color: #fff; transform: scale(1.12); box-shadow: 0 5px 0 var(--cam-dam); }
.hop-lop { background: var(--vang-nhat); border-radius: 26px; padding: 22px 24px; }
.hop-lop-hoi { font-size: 26px; font-weight: 800; }
.hop-lop-phu { font-size: 16px; color: #7a5a10; margin: 4px 0 16px; }
.nut-lop-hang { display: flex; gap: 14px; flex-wrap: wrap; }
.nut-lop { min-width: 130px; min-height: 60px; border-radius: 99px; border: 2px solid #e6d4a4; background: #fff; font-size: 24px; font-weight: 800; color: var(--ink-2); }
.nut-lop.chon { background: var(--tim); border-color: var(--tim); color: #fff; transform: scale(1.06); box-shadow: 0 5px 0 var(--tim-dam); }
.th-tiep { align-self: center; min-width: 280px; margin-top: 4px; }

/* ---------- 3. Chọn trứng ---------- */
#man-chon-trung { display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: calc(18px + var(--an-toan-tren)) 20px calc(26px + var(--an-toan-duoi)); }
.ct-tieu-de { background: rgba(255,255,255,.95); border-radius: 30px; padding: 14px 34px; text-align: center; box-shadow: var(--bong); }
.ct-tieu-de h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; }
.ct-tieu-de p { font-size: 19px; color: var(--ink-2); }
.ct-hai { display: flex; gap: clamp(20px, 6vw, 110px); align-items: flex-end; justify-content: center; flex: 1; padding: 10px 0; }
.ct-trung { position: relative; border: 0; background: none; padding: 0; display: flex; flex-direction: column; align-items: center; width: clamp(220px, 30vw, 320px); }
.ct-hinh-trung { width: 86%; max-height: 38vh; object-fit: contain; position: relative; z-index: 1; filter: drop-shadow(0 12px 12px rgba(0,0,0,.2)); transition: transform .2s; }
.ct-trung.chon .ct-hinh-trung { transform: scale(1.06); }
@media (prefers-reduced-motion: no-preference) { .ct-trung.chon .ct-hinh-trung { animation: lac 2s ease-in-out infinite; transform-origin: 50% 90%; } }
.ct-hao-quang { position: absolute; left: 50%; top: 40%; width: 110%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, rgba(255,209,102,.8), rgba(255,209,102,0) 68%); opacity: 0; transition: opacity .25s; }
.ct-trung.chon .ct-hao-quang { opacity: 1; }
.ct-lon { position: absolute; width: 42%; bottom: 110px; z-index: 2; filter: drop-shadow(0 6px 8px rgba(0,0,0,.25)); }
.ct-lon-trai { left: -26%; } .ct-lon-phai { right: -26%; }
.ct-nhan { margin-top: 14px; background: #fff; border-radius: 26px; padding: 12px 18px; width: 100%; display: flex; flex-direction: column; align-items: center; border: 5px solid transparent; box-shadow: var(--bong); }
.ct-trung.chon .ct-nhan { border-color: var(--vang); }
.ct-nhan b { font-size: 32px; line-height: 1.1; } .ct-nhan b.xanh { color: #2f9e5b; } .ct-nhan b.hong { color: #e0508a; }
.ct-nhan small { font-size: 17px; color: var(--ink-2); }
.ct-chon { position: absolute; top: 4%; right: 8%; z-index: 3; width: 54px; height: 54px; border-radius: 50%; background: var(--xanh); color: #fff; font-size: 32px; font-weight: 800; display: grid; place-items: center; opacity: 0; transform: scale(.4); transition: all .2s; }
.ct-trung.chon .ct-chon { opacity: 1; transform: scale(1); }

/* ---------- 4. Bản đồ ---------- */
.bd-khung { position: absolute; left: 0; top: 50%; height: 100%; aspect-ratio: 1280 / 853; transform: translateY(-50%); min-width: 100%; }
@supports not (aspect-ratio: 1) { .bd-khung { width: 150vh; } }
@media (max-aspect-ratio: 1280/853) { .bd-khung { height: auto; width: 100%; min-width: 0; } }
.bd-anh { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bd-diem { position: absolute; inset: 0; }
.bd-vung { position: absolute; transform: translate(-50%, -50%); border: 0; background: none; padding: 0; display: flex; flex-direction: column; align-items: center; z-index: 2; }
.bd-tron { width: 52px; height: 52px; border-radius: 50%; background: #fff; border: 6px solid var(--mau); color: var(--mau); font-size: 26px; font-weight: 800; display: grid; place-items: center; box-shadow: 0 4px 10px rgba(0,0,0,.28); position: relative; }
.bd-tron svg { width: 24px; height: 24px; }
.bd-nhan { margin-top: 6px; background: rgba(255,255,255,.96); border-radius: 99px; padding: 3px 14px; font-size: 16px; font-weight: 800; white-space: nowrap; box-shadow: 0 2px 8px rgba(0,0,0,.2); display: flex; flex-direction: column; align-items: center; line-height: 1.2; }
.bd-nhan small { font-size: 12px; color: var(--ink-3); font-weight: 700; }
.bd-sao { display: flex; gap: 1px; margin-bottom: 2px; font-size: 18px; line-height: 1; }
.bd-sao i { font-style: normal; color: #eee9f7; -webkit-text-stroke: 1.2px #b9b2d0; }
.bd-sao i.co { color: #ffc233; -webkit-text-stroke: 1.2px #e09a00; }
.bd-vung.khoa .bd-tron { background: #eef0f3; border-color: #8a93a0; color: #8a93a0; border-width: 4px; }
.bd-vung.khoa .bd-nhan { background: rgba(241,243,246,.95); color: #5c6675; }
.bd-vung.sap-co .bd-tron { opacity: .9; }
.bd-vung.sap-co .bd-nhan { color: #4b4565; }
.bd-vung.co-nv .bd-tron::before { content: ""; position: absolute; inset: -16px; border-radius: 50%; border: 4px dashed #fff; background: rgba(255,255,255,.35); z-index: -1; }
@media (prefers-reduced-motion: no-preference) { .bd-vung.co-nv .bd-tron::before { animation: xoay 12s linear infinite; } @keyframes xoay { to { transform: rotate(360deg); } } }
.bd-vung.nhan-trai .bd-nhan { transform: translateX(-30%); }
.bd-ban { position: absolute; z-index: 3; width: 7.5%; transform: translate(0, -92%); pointer-events: none; }
.bd-ban.nho { width: 5.6%; }
.bd-ban.duoi { transform: translate(0, -12%); }
.bd-ban img { width: 100%; filter: drop-shadow(0 6px 6px rgba(0,0,0,.3)); }
.bd-ban-noi { position: absolute; left: 86%; top: 2%; background: #fff; border-radius: 16px; padding: 4px 12px; font-size: 16px; font-weight: 800; white-space: nowrap; box-shadow: 0 3px 8px rgba(0,0,0,.2); }
.bd-ban.dai .bd-ban-noi { white-space: normal; width: 230px; font-size: 15px; line-height: 1.25; }
.chip-be { position: absolute; z-index: 6; left: calc(16px + var(--an-toan-trai)); top: calc(14px + var(--an-toan-tren)); display: flex; align-items: center; gap: 10px; border: 0; background: #fff; border-radius: 99px; padding: 5px 18px 5px 5px; box-shadow: var(--bong); }
.chip-be-anh { width: 56px; height: 56px; border-radius: 50%; background: #e3f7f5; display: grid; place-items: center; overflow: hidden; }
.chip-be-anh img { width: 90%; height: 90%; object-fit: contain; }
.chip-be > b { font-size: 26px; max-width: 170px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip-qua { display: flex; align-items: center; gap: 4px; color: #7b3fbf; font-size: 22px; font-weight: 800; }
.chip-qua img { width: 32px; }
.nv-bang { position: absolute; z-index: 5; right: calc(14px + var(--an-toan-phai)); top: calc(14px + var(--an-toan-tren)); bottom: calc(14px + var(--an-toan-duoi)); width: clamp(260px, 27vw, 310px); background: #fff; border-radius: 28px; padding: 18px 14px 14px; box-shadow: var(--bong); display: flex; flex-direction: column; gap: 8px; }
.nv-bang h2 { font-size: 26px; line-height: 1.1; padding: 0 6px; }
.nv-phu { font-size: 16px; color: var(--ink-2); padding: 0 6px; }
.nv-thanh { height: 12px; margin: 2px 6px 4px; border-radius: 6px; background: #eee9fa; overflow: hidden; }
.nv-thanh i { display: block; height: 100%; background: var(--xanh); border-radius: 6px; transition: width .6s; }
.nv-ds { display: flex; flex-direction: column; gap: 10px; overflow-y: auto; flex: 1; min-height: 0; }
.nv-the { position: relative; text-align: left; border-radius: 20px; padding: 12px 16px; display: flex; flex-direction: column; gap: 1px; border: 3px solid var(--duong); background: #f4f1fd; overflow: hidden; }
.nv-the small { font-size: 13px; font-weight: 800; letter-spacing: .12em; color: #5337a8; }
.nv-the b { font-size: 21px; line-height: 1.15; padding-right: 60px; }
.nv-noi { font-size: 15px; color: var(--ink-2); }
.nv-ly-do { align-self: flex-start; background: #ffe1d2; color: #b5400f; font-size: 14px; font-weight: 700; border-radius: 99px; padding: 2px 12px; margin: 3px 0; }
.nv-qua { display: flex; align-items: center; gap: 4px; font-size: 16px; font-weight: 800; color: #7b3fbf; }
.nv-qua img { width: 26px; }
.nv-xe { position: absolute; right: 6px; bottom: 6px; width: 64px; }
.nv-dau { position: absolute; right: 12px; top: 12px; width: 34px; height: 34px; border-radius: 50%; background: var(--xanh); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 20px; }
.nv-the.on { background: var(--xanh-nhat); border-color: #8ee8cf; } .nv-the.on small { color: var(--xanh-dam); }
.nv-the.luyen { background: var(--cam-nhat); border-color: #ffb08f; } .nv-the.luyen small { color: #b5400f; }
.nv-the.xong { opacity: .78; }
.nv-choi { width: 100%; font-size: 21px; }
.bd-duoi { position: absolute; z-index: 5; left: calc(16px + var(--an-toan-trai)); bottom: calc(14px + var(--an-toan-duoi)); display: flex; gap: 10px; }
.meo-mh { position: absolute; z-index: 6; left: 50%; transform: translateX(-60%); bottom: calc(14px + var(--an-toan-duoi)); max-width: 520px; background: #fff; border-radius: 18px; padding: 10px 44px 10px 16px; font-size: 15px; line-height: 1.35; box-shadow: var(--bong); }
.meo-mh button { position: absolute; right: 8px; top: 8px; width: 30px; height: 30px; border: 0; border-radius: 50%; background: #f1ecff; }

/* ---------- 5. Trang vùng ---------- */
.man-vung { display: flex; flex-direction: column; padding: calc(16px + var(--an-toan-tren)) calc(22px + var(--an-toan-phai)) calc(18px + var(--an-toan-duoi)) calc(22px + var(--an-toan-trai)); gap: 14px; }
.vg-nen { position: absolute; inset: 0; background: #ff7a3c center / cover no-repeat; }
.vg-nen::after { content: ""; position: absolute; inset: 0; background: var(--phu, rgba(255,122,60,.72)); }
.vg-dau { position: relative; display: flex; align-items: center; gap: 16px; color: #fff; }
.vg-dau h1 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.1; text-shadow: 0 2px 6px rgba(0,0,0,.25); }
.vg-dau p { font-size: 18px; opacity: .95; }
.vg-than { position: relative; flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(250px, 330px) minmax(0, 1fr); gap: 18px; }
.vg-trung-the { background: #fff; border-radius: 28px; padding: 18px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; overflow-y: auto; }
.vg-trung-the h2 { font-size: 25px; }
.vg-vong { position: relative; width: 210px; height: 210px; margin: 6px 0; }
.vg-vong svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.vg-vong-nen { fill: none; stroke: #eee9fa; stroke-width: 16; }
.vg-vong-mau { fill: none; stroke: var(--xanh); stroke-width: 16; stroke-linecap: round; stroke-dasharray: 0 999; transition: stroke-dasharray .8s; }
.vg-trung-hinh { position: absolute; left: 50%; top: 50%; width: 62%; transform: translate(-50%, -50%); }
.vg-trung-hinh.da-no { width: 82%; }
.vg-loai-hinh { position: absolute; right: -24px; bottom: -6px; width: 40%; opacity: .32; filter: grayscale(.2); }
.vg-trung-so { font-size: 21px; font-weight: 800; }
.vg-trung-phu { font-size: 16px; color: var(--ink-2); }
.chu-giai { display: flex; flex-wrap: wrap; gap: 6px 12px; justify-content: center; font-size: 13px; color: var(--ink-2); margin-top: 8px; border-top: 1px solid var(--duong); padding-top: 10px; }
.chu-giai span { display: flex; align-items: center; gap: 4px; }
.chu-giai i { width: 14px; height: 14px; border-radius: 4px; }
.muc-chua_hoc { background: var(--muc-chua_hoc); } .muc-lam_quen { background: var(--muc-lam_quen); } .muc-dang_luyen { background: var(--muc-dang_luyen); }
.muc-da_thuoc { background: var(--muc-da_thuoc); } .muc-vung_chac { background: var(--muc-vung_chac); } .muc-can-giup { background: var(--do); border-radius: 50% !important; }
.vg-ds { display: flex; flex-direction: column; gap: 12px; overflow-y: auto; padding: 2px 2px 8px; }
.vg-man { display: flex; align-items: center; gap: 14px; text-align: left; border: 0; background: #fff; border-radius: 24px; padding: 12px 18px 12px 12px; box-shadow: 0 4px 0 rgba(0,0,0,.12); min-height: 84px; transition: transform .12s; }
.vg-man:active:not(.tat) { transform: scale(.985); }
.vg-man.tat { opacity: .7; background: rgba(255,255,255,.86); }
.vg-man.cup { background: #fff8e1; }
.vg-man-icon { width: 76px; height: 60px; flex: none; display: grid; place-items: center; font-size: 40px; }
.vg-man-icon img { width: 100%; height: 100%; object-fit: contain; }
.vg-man-chu { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.vg-man-chu b { font-size: 21px; line-height: 1.2; }
.vg-man-chu small { font-size: 15px; color: var(--ink-2); }
.vg-man-phai { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex: none; }
.chip-muc { font-size: 14px; font-weight: 800; padding: 3px 12px; border-radius: 99px; color: var(--ink); white-space: nowrap; }
.chip-muc.muc-chua_hoc { background: #efebf8; color: #5b5575; }
.chip-muc.muc-lam_quen { background: #fff1c2; color: #7a5a10; }
.chip-muc.muc-dang_luyen { background: #ffe1c7; color: #9a4a0c; }
.chip-muc.muc-da_thuoc { background: #d4f5f1; color: var(--xanh-dam); }
.chip-muc.muc-vung_chac { background: #c9f0e2; color: #05664c; }
.chip-muc.can-giup { background: var(--do-nhat); color: var(--do-dam); }
.chip-muc.sap, .chip-muc.khoa { background: #eef0f3; color: #5c6675; }
.vg-sao { display: flex; font-size: 20px; line-height: 1; }
.vg-sao i { font-style: normal; color: #eee9f7; -webkit-text-stroke: 1.2px #b9b2d0; }
.vg-sao i.co { color: #ffc233; -webkit-text-stroke: 1.2px #e09a00; }

/* ---------- 6. Đua Xe ---------- */
.man-dua { background: #86d0f5; touch-action: none; }
#dx-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.dx-trai { position: absolute; left: calc(14px + var(--an-toan-trai)); top: calc(12px + var(--an-toan-tren)); display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.dx-o { background: rgba(255,255,255,.94); border-radius: 18px; padding: 6px 16px 8px; box-shadow: 0 4px 12px rgba(0,0,0,.18); display: flex; flex-direction: column; line-height: 1.1; min-width: 132px; }
.dx-o small { font-size: 13px; font-weight: 800; color: var(--ink-3); letter-spacing: .08em; }
.dx-o b { font-size: 30px; }
.dx-o-nho b { font-size: 20px; }
.dx-o-nho span { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; color: var(--tim); }
.dx-cau { position: absolute; left: 50%; top: calc(12px + var(--an-toan-tren)); transform: translateX(-50%); display: flex; align-items: center; gap: 12px; background: #fff; border-radius: 26px; padding: 6px 12px 6px 30px; box-shadow: 0 6px 0 rgba(34,26,59,.18), 0 10px 24px rgba(0,0,0,.2); font-size: clamp(34px, 5vw, 52px); font-weight: 800; white-space: nowrap; z-index: 3; }
.dx-cau.nay { animation: nay .35s cubic-bezier(.2,1.6,.4,1); }
@keyframes nay { from { transform: translateX(-50%) scale(.7); } to { transform: translateX(-50%) scale(1); } }
.dx-loa { width: 52px; height: 52px; border-radius: 50%; border: 0; background: #f1ecff; color: var(--tim); display: grid; place-items: center; }
.dx-loa svg { width: 28px; height: 28px; }
.dx-phai { position: absolute; right: calc(14px + var(--an-toan-phai)); top: calc(12px + var(--an-toan-tren)); display: flex; gap: 10px; z-index: 3; }
.dx-nut { width: 64px; height: 64px; border-radius: 50%; border: 0; background: rgba(34,26,59,.72); display: grid; place-items: center; box-shadow: 0 4px 10px rgba(0,0,0,.25); }
.dx-nut svg { width: 34px; height: 34px; }
.dx-tien-do { position: absolute; left: 50%; transform: translateX(-50%); top: calc(118px + var(--an-toan-tren)); width: min(46vw, 440px); height: 12px; border-radius: 99px; background: rgba(255,255,255,.55); box-shadow: inset 0 1px 3px rgba(0,0,0,.2); pointer-events: none; }
.dx-tien-do i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, #ffd166, #ff6b35); }
.dx-co { position: absolute; right: -30px; top: -12px; font-size: 26px; }
.dx-tang-toc { position: absolute; left: calc(14px + var(--an-toan-trai)); top: 50%; background: linear-gradient(90deg, #ff6b35, #ffd166); color: #fff; font-weight: 800; font-size: 26px; padding: 8px 18px; border-radius: 16px; transform: rotate(-4deg); box-shadow: 0 4px 12px rgba(0,0,0,.25); pointer-events: none; display: flex; flex-direction: column; line-height: 1.05; text-shadow: 0 2px 0 rgba(0,0,0,.2); }
.dx-tang-toc small { font-size: 15px; }
.dx-bong-nhan { position: absolute; transform: translateX(-50%); background: rgba(255,255,255,.8); color: var(--ink-2); font-size: 13px; font-weight: 800; padding: 2px 10px; border-radius: 99px; pointer-events: none; white-space: nowrap; }
.dx-lao { position: absolute; right: calc(16px + var(--an-toan-phai)); bottom: 38%; z-index: 3; border: 0; border-radius: 99px; background: rgba(255,107,53,.94); color: #fff; font-size: 22px; font-weight: 800; padding: 10px 26px; min-height: 54px; box-shadow: 0 5px 0 var(--cam-dam); }
.dx-lao:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--cam-dam); }
.dx-huong-dan { position: absolute; left: 50%; top: calc(146px + var(--an-toan-tren)); transform: translateX(-50%); background: rgba(34,26,59,.72); color: #fff; font-size: 20px; font-weight: 800; padding: 8px 20px; border-radius: 99px; pointer-events: none; white-space: nowrap; }
.dx-huong-dan span { color: var(--vang); }
.dx-goi-y-bong { position: absolute; left: calc(12px + var(--an-toan-trai)); bottom: calc(14px + var(--an-toan-duoi)); z-index: 3; display: flex; align-items: flex-end; gap: 4px; max-width: min(420px, 40vw); pointer-events: none; }
.dx-goi-y-bong img { width: 110px; flex: none; filter: drop-shadow(0 4px 6px rgba(0,0,0,.3)); }
.dx-goi-y-bong p { background: #fff; border-radius: 22px 22px 22px 6px; padding: 12px 16px; font-size: 21px; font-weight: 800; line-height: 1.25; box-shadow: var(--bong); margin-bottom: 70px; }
.dx-dem { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; z-index: 4; }
.dx-dem b { font-size: clamp(90px, 16vw, 170px); color: #fff; font-weight: 800; -webkit-text-stroke: 10px #3b2476; paint-order: stroke; text-shadow: 0 8px 0 #3b2476; }
.dx-ve-dich { position: absolute; left: 50%; top: 32%; transform: translate(-50%, -50%) rotate(-3deg); font-size: clamp(60px, 10vw, 110px); font-weight: 800; color: #ffd166; -webkit-text-stroke: 10px #b3264b; paint-order: stroke; pointer-events: none; z-index: 4; white-space: nowrap; }
.lop-phu { position: absolute; inset: 0; z-index: 10; background: rgba(26,11,61,.55); display: grid; place-items: center; padding: 16px; }
.the { background: #fff; border-radius: 32px; padding: 26px 30px; box-shadow: var(--bong); max-width: 100%; max-height: 100%; overflow-y: auto; }
.tam-the { display: flex; flex-direction: column; gap: 16px; align-items: stretch; min-width: 320px; text-align: center; }
.tam-the h2 { font-size: 34px; }
.tram-the { width: min(460px, 100%); display: flex; flex-direction: column; align-items: center; gap: 10px; }
.tram-nhan { font-size: 15px; font-weight: 800; letter-spacing: .12em; color: #7a5a10; background: var(--vang-nhat); border-radius: 99px; padding: 4px 14px; }
.tram-de { font-size: 48px; font-weight: 800; }
.tram-o { min-width: 200px; min-height: 76px; border: 4px solid var(--tim); border-radius: 22px; font-size: 52px; font-weight: 800; text-align: center; line-height: 68px; color: var(--ink); background: #faf8ff; }
.tram-bao { font-size: 18px; color: var(--ink-2); font-weight: 700; min-height: 26px; text-align: center; }
.tram-bao.sai { color: var(--do-dam); }
.tram-goi-y { border: 2px solid #f2dca0; background: var(--vang-nhat); color: #7a5a10; border-radius: 99px; padding: 4px 16px; font-size: 17px; font-weight: 800; min-height: 40px; }
.tram-goi-y:disabled { opacity: .45; }
.ban-phim { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; width: 100%; }
.ban-phim button { min-height: 62px; border: 0; border-radius: 18px; background: #f4f1fd; font-size: 32px; font-weight: 800; box-shadow: 0 4px 0 #ddd6ef; }
.ban-phim button:active { transform: translateY(3px); box-shadow: 0 1px 0 #ddd6ef; }
.ban-phim .phim-xong { background: var(--tim); color: #fff; box-shadow: 0 4px 0 var(--tim-dam); font-size: 24px; }
.ban-phim .phim-xoa { font-size: 26px; }
.ph-the { position: relative; width: min(760px, 100%); display: flex; flex-direction: column; gap: 12px; padding-left: 170px; min-height: 360px; padding-bottom: 0; }
.ph-the .nut-hang { position: sticky; bottom: 0; background: #fff; padding: 8px 0 22px; margin-top: auto; }
.ph-hinh { position: absolute; left: 10px; bottom: 10px; width: 160px; }
.ph-the h2 { font-size: 40px; color: var(--cam-dam); }
.ph-loi { font-size: 22px; line-height: 1.3; }
.ph-giai { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; background: var(--cam-nhat); border-radius: 22px; padding: 14px 22px; }
.ph-buoc { margin: 0; padding-left: 22px; font-size: 21px; line-height: 1.45; font-weight: 600; }
.ph-ket { font-size: 26px; font-weight: 800; color: var(--xanh-dam); }
.ph-note { font-size: 16px; color: var(--ink-2); }
.cot-doc { font-size: 44px; font-weight: 800; line-height: 1; display: inline-flex; flex-direction: column; font-variant-numeric: tabular-nums; }
.cot-doc .hang { display: flex; justify-content: flex-end; }
.cot-doc .o { width: 36px; text-align: center; height: 48px; line-height: 48px; }
.cot-doc .dau { width: 30px; }
.cot-doc .nho .o { height: 26px; line-height: 26px; font-size: 24px; }
.cot-doc .cam { color: var(--cam); }
.cot-doc .co-nho { position: relative; }
.cot-doc .co-nho::after { content: "1"; position: absolute; left: -2px; bottom: -2px; font-size: 20px; line-height: 1; color: var(--cam); }
.cot-doc .gach { height: 5px; background: var(--ink); border-radius: 3px; margin: 2px 0 4px 30px; }
.cot-doc .kq { color: var(--xanh-dam); }
.que-tinh { display: flex; flex-direction: column; gap: 8px; background: #f7f5fc; border-radius: 18px; padding: 12px 16px; }
.qt-dong { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 2px 12px; align-items: center; }
.qt-dong b { font-size: 22px; }
.qt-dong em { grid-column: 2; font-style: normal; font-size: 15px; color: var(--ink-2); }
.qt-hinh { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 4px; min-height: 34px; }
.bo { display: inline-block; width: 20px; height: 34px; border-radius: 4px; background: repeating-linear-gradient(90deg, #f2b84b 0 2px, #d4892a 2px 3px); box-shadow: inset 0 -2px 0 rgba(0,0,0,.1); position: relative; }
.bo::after { content: ""; position: absolute; left: -2px; right: -2px; top: 13px; height: 6px; border-radius: 3px; background: var(--do); }
.que { display: inline-block; width: 5px; height: 34px; border-radius: 3px; background: #f2b84b; box-shadow: inset -1px 0 0 #d4892a; }
.bo.cam, .que.cam { background: var(--cam); box-shadow: 0 0 0 2px rgba(255,107,53,.25); }
.bo.mo, .que.mo { opacity: .35; }

/* ---------- 7. Kết thúc ---------- */
#man-ket-thuc { display: grid; place-items: center; padding: calc(14px + var(--an-toan-tren)) 16px calc(14px + var(--an-toan-duoi)); overflow-y: auto; }
.kt-the { width: min(980px, 100%); background: #fff; border-radius: 34px; padding: 26px 30px 24px; box-shadow: var(--bong); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px 30px; }
.kt-trai { display: flex; flex-direction: column; gap: 10px; }
.kt-trai h1 { font-size: clamp(40px, 5vw, 56px); line-height: 1; color: var(--cam-dam); }
.kt-man { font-size: 17px; color: var(--ink-2); }
.kt-sao { display: flex; gap: 8px; font-size: 64px; line-height: 1; }
.kt-sao i { font-style: normal; color: #eee9f7; -webkit-text-stroke: 2px #b9b2d0; }
.kt-sao i.co { color: #ffc233; -webkit-text-stroke: 2px #e09a00; }
@media (prefers-reduced-motion: no-preference) { .kt-sao i.co { animation: saoNay .5s both cubic-bezier(.2,1.6,.4,1); animation-delay: var(--tre, 0s); } @keyframes saoNay { from { transform: scale(0) rotate(-40deg); } to { transform: none; } } }
.kt-so { display: flex; gap: 8px; }
.kt-so div { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; background: #faf7ff; border-radius: 16px; padding: 4px 12px 6px; }
.kt-so b { font-size: 30px; line-height: 1.1; }
.kt-so span { font-size: 14px; line-height: 1.2; color: var(--ink-2); }
.kt-ky-luc { font-size: 17px; font-weight: 700; color: var(--tim); background: var(--tim-nhat); border-radius: 12px; padding: 6px 12px; align-self: flex-start; }
.kt-phai { display: flex; flex-direction: column; align-items: center; gap: 6px; background: #faf7ff; border-radius: 26px; padding: 12px 16px; }
.kt-an { width: 170px; max-height: 190px; object-fit: contain; }
.kt-qua { display: flex; align-items: center; gap: 6px; font-size: 30px; font-weight: 800; color: #7b3fbf; }
.kt-qua img { width: 42px; }
.kt-chi-tiet { list-style: none; padding: 0; margin: 0; font-size: 16px; color: var(--ink-2); text-align: center; }
.kt-lon { width: 100%; display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.kt-lon p { font-size: 17px; font-weight: 800; }
.kt-lon .kt-lon-phu { font-size: 14px; color: var(--ink-2); font-weight: 600; }
.kt-duoi { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--duong); padding-top: 14px; }
.kt-hoi { font-size: 20px; font-weight: 800; }
.kt-mat { display: flex; gap: 10px; }
.kt-mat button { border: 3px solid var(--duong); background: #fff; border-radius: 20px; padding: 4px 12px 6px; display: flex; flex-direction: column; align-items: center; font-size: 15px; font-weight: 800; color: var(--ink-2); min-width: 92px; }
.kt-mat button span { font-size: 38px; line-height: 1.1; }
.kt-mat button.chon { border-color: var(--tim); background: var(--tim-nhat); color: var(--tim); }

/* ---------- 8. Ăn mừng ---------- */
.man-mung { display: grid; place-items: center; background: radial-gradient(circle at 50% 45%, #fff5c9, #ffc86b 45%, #ff8a3d); padding: 16px; }
.mg-the { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; max-width: 640px; }
.mg-the h1 { font-size: clamp(40px, 6vw, 64px); line-height: 1.05; color: #fff; -webkit-text-stroke: 8px #b3264b; paint-order: stroke; text-shadow: 0 5px 0 #b3264b; }
.mg-the > p { font-size: 22px; font-weight: 700; color: #5a2a00; }
.mg-sao-khung { position: relative; width: min(340px, 44vh); aspect-ratio: 1; display: grid; place-items: center; }
.mg-hao-quang { position: absolute; inset: -10%; border-radius: 50%; background: repeating-conic-gradient(rgba(255,255,255,.5) 0 10deg, rgba(255,255,255,0) 10deg 20deg); }
@media (prefers-reduced-motion: no-preference) { .mg-hao-quang { animation: xoay 16s linear infinite; } .mg-hinh { animation: nhay .9s cubic-bezier(.2,1.6,.4,1) both; } @keyframes nhay { from { transform: scale(.2) translateY(60px); opacity: 0; } to { transform: none; opacity: 1; } } }
.mg-hinh { position: relative; width: 88%; max-height: 100%; object-fit: contain; filter: drop-shadow(0 12px 14px rgba(0,0,0,.25)); }
.mg-qua { background: #fff; border-radius: 99px; padding: 6px 18px; font-size: 20px; font-weight: 800; color: #7b3fbf; }
.mg-dat-ten { background: #fff; border-radius: 22px; padding: 12px 16px; width: min(420px, 100%); }
.mg-dat-ten .o-nhap { text-align: center; }

/* ---------- 9. Góc phụ huynh ---------- */
.man-ph { background: #f6f4fc; overflow-y: auto; font-family: var(--font); padding: calc(20px + var(--an-toan-tren)) 20px 30px; }
.ph-cong { max-width: 420px; margin: 40px auto 0; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.ph-khoa { width: 90px; height: 90px; border-radius: 50%; background: #ece6fb; display: grid; place-items: center; color: var(--tim); }
.ph-khoa svg { width: 44px; height: 44px; }
.ph-cong h1 { font-size: 34px; }
.ph-hoi { font-size: 48px; font-weight: 800; }
.ph-o { min-width: 180px; min-height: 64px; border: 3px solid var(--tim); border-radius: 18px; font-size: 40px; font-weight: 800; line-height: 58px; background: #fff; }
.ban-phim-nho { max-width: 340px; }
.ph-bang { max-width: 880px; margin: 30px auto 0; display: flex; flex-direction: column; gap: 16px; }
.ph-bang h1 { font-size: 36px; } .ph-bang h1 small { font-size: 16px; color: var(--ink-3); font-weight: 700; }
.ph-note-dau { font-size: 16px; color: var(--ink-2); background: #fff; border-left: 5px solid var(--vang); border-radius: 12px; padding: 10px 14px; }
.ph-o-be { display: flex; align-items: center; gap: 14px; background: #fff; border-radius: 20px; padding: 12px 16px; }
.ph-o-be img { width: 70px; height: 70px; object-fit: contain; border-radius: 50%; background: #e3f7f5; }
.ph-o-be b { display: block; font-size: 26px; }
.ph-o-be span { font-size: 15px; color: var(--ink-2); }
.ph-nhom { background: #fff; border-radius: 22px; padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }
.ph-nhom h2 { font-size: 22px; }
.ph-nhom p { font-size: 16px; color: var(--ink-2); }
.ph-dong { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 18px; font-weight: 700; }
.nut-chon-hang { display: flex; gap: 6px; flex-wrap: wrap; }
.nut-chon-hang button { width: 48px; height: 48px; border-radius: 14px; border: 2px solid var(--duong); background: #fff; font-size: 20px; font-weight: 800; }
.nut-chon-hang button.chon { background: var(--tim); border-color: var(--tim); color: #fff; }
.ph-buoc-so { display: flex; align-items: center; gap: 10px; }
.ph-buoc-so button { width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--duong); background: #fff; font-size: 26px; font-weight: 800; }
.ph-buoc-so b { font-size: 26px; min-width: 40px; text-align: center; }
.man-ph .nut { font-size: 17px; min-height: 48px; padding: 8px 18px; }

/* ---------- 10. Lên lớp ---------- */
#man-len-lop { display: grid; place-items: center; }
.ll-the { position: relative; background: #fff; border-radius: 34px; padding: 26px 34px; display: flex; flex-direction: column; align-items: center; gap: 16px; box-shadow: var(--bong); max-width: 620px; text-align: center; }
.ll-hinh { width: 160px; }
.ll-the h1 { font-size: 32px; line-height: 1.2; }

/* ---------- Thông báo ---------- */
.thong-bao { position: fixed; z-index: 50; left: 50%; bottom: calc(24px + var(--an-toan-duoi)); transform: translateX(-50%); background: rgba(34,26,59,.92); color: #fff; font-size: 19px; font-weight: 700; padding: 12px 22px; border-radius: 18px; max-width: min(640px, 92vw); text-align: center; box-shadow: var(--bong); pointer-events: none; }

/* ---------- Màn hình hẹp, xoay dọc ---------- */
@media (max-width: 900px) {
  .nv-bang { width: 250px; }
  .nv-the b { font-size: 18px; }
  .bd-nhan { font-size: 13px; padding: 2px 10px; }
  .bd-tron { width: 42px; height: 42px; font-size: 21px; border-width: 5px; }
  .ph-the { padding-left: 30px; }
  .ph-hinh { display: none; }
}
@media (orientation: portrait), (max-width: 760px) {
  #man-tao-ho-so { grid-template-columns: 1fr; align-content: start; overflow-y: auto; padding-top: calc(86px + var(--an-toan-tren)); }
  .th-ben-trai { flex-direction: row; height: auto; padding-top: 0; align-items: center; gap: 10px; }
  .th-khung-long { width: 140px; margin-top: 0; }
  .bong-thoai { margin-left: 0; }
  .bong-thoai::after { display: none; }
  .th-bang { padding: 20px; }
  .nut-tuoi { width: 60px; height: 60px; font-size: 28px; }
  .ct-lon { display: none; }
  .ct-hai { gap: 18px; }
  .ct-trung { width: 44vw; }
  .ct-nhan b { font-size: 24px; }
  .nv-bang { top: auto; height: 42%; left: calc(10px + var(--an-toan-trai)); right: calc(10px + var(--an-toan-phai)); width: auto; }
  .nv-ds { flex-direction: row; overflow-x: auto; align-items: flex-start; }
  .nv-the { min-width: 220px; }
  .bd-khung { height: 58%; top: 0; transform: none; min-width: 0; width: auto; }
  .bd-duoi { bottom: calc(44% + 8px); }
  .vg-than { grid-template-columns: 1fr; overflow-y: auto; }
  .vg-trung-the { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .vg-vong { width: 150px; height: 150px; }
  .kt-the { grid-template-columns: 1fr; }
  .dx-cau { top: calc(150px + var(--an-toan-tren)); font-size: 34px; }
  .dx-tien-do { top: calc(214px + var(--an-toan-tren)); }
  .dx-huong-dan { top: calc(236px + var(--an-toan-tren)); font-size: 16px; }
  .dx-goi-y-bong { max-width: 90vw; }
  .dx-goi-y-bong img { width: 80px; }
  .dx-goi-y-bong p { font-size: 17px; margin-bottom: 40px; }
  .meo-mh { transform: translateX(-50%); bottom: calc(44% + 64px); width: 90vw; }
}
@media (max-height: 640px) and (orientation: landscape) {
  .nv-the { padding: 8px 12px; } .nv-the b { font-size: 17px; } .nv-ly-do, .nv-noi { font-size: 13px; }
  .nv-bang h2 { font-size: 21px; }
  .dx-cau { font-size: 34px; }
  .kt-sao { font-size: 44px; }
  .kt-an { width: 120px; }
  .th-bang { padding: 18px 22px; gap: 12px; }
}

/* ======================================================================
   Giai đoạn 2: khung chơi chung, Lật Thẻ Anh Em, Xếp Hình Số, Truyện Tranh, bài học 30 giây
   ====================================================================== */

/* ---------- Khối trăm, chục, đơn vị (dùng ở Xếp Hình Số, bài học, lời giải) ---------- */
.kh { display: inline-block; flex: none; --kh: 1; border-radius: calc(5px * var(--kh)); }
.kh-dv { width: calc(30px * var(--kh)); height: calc(30px * var(--kh)); background: #ffd166; border: calc(2px * var(--kh)) solid #d99a00; box-shadow: inset calc(-3px * var(--kh)) calc(-3px * var(--kh)) 0 rgba(0,0,0,.12), inset calc(3px * var(--kh)) calc(3px * var(--kh)) 0 rgba(255,255,255,.55); }
.kh-chuc { width: calc(22px * var(--kh)); height: calc(150px * var(--kh)); border: calc(2px * var(--kh)) solid #1f63b3; background: repeating-linear-gradient(to bottom, #58b0ff 0, #58b0ff calc(13px * var(--kh)), #2f7fd6 calc(13px * var(--kh)), #2f7fd6 calc(14.6px * var(--kh))); box-shadow: inset calc(-3px * var(--kh)) 0 0 rgba(0,0,0,.12), inset calc(3px * var(--kh)) 0 0 rgba(255,255,255,.35); }
.kh-tram { width: calc(92px * var(--kh)); height: calc(92px * var(--kh)); border: calc(2px * var(--kh)) solid #c2551a; background-color: #ff8a3d; background-image: linear-gradient(to right, rgba(120,40,0,.28) 1px, transparent 1px), linear-gradient(to bottom, rgba(120,40,0,.28) 1px, transparent 1px); background-size: 10% 10%; box-shadow: inset calc(-4px * var(--kh)) calc(-4px * var(--kh)) 0 rgba(0,0,0,.1), inset calc(4px * var(--kh)) calc(4px * var(--kh)) 0 rgba(255,255,255,.3); }
.mo-hinh { display: flex; gap: 18px; align-items: flex-end; flex-wrap: wrap; }
.mo-hinh.nho .kh { --kh: .42; }
.mh-nhom { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.mh-khoi { display: flex; flex-wrap: wrap-reverse; gap: 3px; max-width: 150px; justify-content: center; align-items: flex-end; min-height: 20px; }
.mh-nhom small { font-size: 15px; font-weight: 800; color: var(--ink-2); }

/* ---------- Khung chơi chung ---------- */
.man-choi { background: #2a1a5e; }
.kc-nen { position: absolute; inset: 0; background: #6a4bc4 center / cover no-repeat; }
.kc-nen::after { content: ""; position: absolute; inset: 0; background: var(--phu, rgba(40,20,90,.45)); }
.kc-trai { z-index: 3; }
.kc-cau { white-space: normal; text-align: center; width: max-content; max-width: min(720px, 58vw); font-size: clamp(20px, 2.3vw, 30px); line-height: 1.2; padding: 8px 10px 8px 22px; min-height: 64px; }
.kc-tien-do { position: absolute; z-index: 2; left: 50%; transform: translateX(-50%); top: calc(100px + var(--an-toan-tren)); width: min(40vw, 380px); height: 10px; border-radius: 99px; background: rgba(255,255,255,.5); box-shadow: inset 0 1px 3px rgba(0,0,0,.2); }
.kc-tien-do i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, #ffd166, #06d6a0); transition: width .5s; }
.kc-san { position: absolute; z-index: 1; left: calc(16px + var(--an-toan-trai)); right: calc(16px + var(--an-toan-phai)); top: calc(140px + var(--an-toan-tren)); bottom: calc(12px + var(--an-toan-duoi)); }
.kc-game { position: absolute; inset: 0; }
.man-choi .dx-goi-y-bong { z-index: 6; }
.kc-bao { position: absolute; z-index: 7; left: 50%; top: calc(146px + var(--an-toan-tren)); transform: translateX(-50%); background: rgba(34,26,59,.92); color: #fff; font-size: 20px; font-weight: 800; padding: 10px 22px; border-radius: 18px; max-width: min(620px, 90vw); text-align: center; box-shadow: var(--bong); pointer-events: none; }
.kc-bao.sai { background: #fff; color: var(--do-dam); border: 3px solid #f6b9c8; }
.kc-bao.dung { background: var(--xanh); color: #053d33; }
.kc-bay { position: absolute; inset: 0; pointer-events: none; z-index: 8; overflow: hidden; }
.kc-chu-bay { position: fixed; transform: translate(-50%, -50%); font-size: 34px; font-weight: 800; color: #fff; -webkit-text-stroke: 6px rgba(30,20,60,.6); paint-order: stroke; white-space: nowrap; animation: bayLen 1.25s ease-out forwards; }
.kc-chu-bay.nho { font-size: 21px; color: #ffe27a; }
@keyframes bayLen { from { opacity: 0; transform: translate(-50%, -30%); } 15% { opacity: 1; } to { opacity: 0; transform: translate(-50%, -180%); } }
.kc-phao { position: fixed; width: 10px; height: 7px; border-radius: 2px; animation: phaoGiay 1s ease-out forwards; }
@keyframes phaoGiay { from { transform: translate(-50%, -50%); opacity: 1; } to { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy) + 90px)) rotate(300deg); opacity: 0; } }
.rung { animation: rung .45s; }
@keyframes rung { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-9px); } 40% { transform: translateX(8px); } 60% { transform: translateX(-6px); } 80% { transform: translateX(4px); } }
@media (prefers-reduced-motion: reduce) { .rung, .kc-chu-bay, .kc-phao { animation-duration: .01s; } }

/* ---------- Lật Thẻ Anh Em ---------- */
.lt-san { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 4fr); grid-template-rows: minmax(0, 1fr) auto; gap: 8px 26px; align-items: center; }
.lt-nhom { display: flex; flex-direction: column; gap: 8px; min-height: 0; }
.lt-nhan { color: #fff; font-size: 18px; font-weight: 800; text-shadow: 0 2px 6px rgba(0,0,0,.4); text-align: center; }
.lt-luoi { display: grid; gap: 14px; }
.lt-luoi-phep { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lt-luoi-kq { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lt-the { position: relative; border: 0; background: none; padding: 0; aspect-ratio: 3 / 4; max-height: 30vh; width: 100%; perspective: 900px; transition: opacity .35s, transform .35s; }
.lt-mat { position: absolute; inset: 0; border-radius: 18px; display: grid; place-items: center; backface-visibility: hidden; -webkit-backface-visibility: hidden; transition: transform .45s cubic-bezier(.3,1.3,.5,1), box-shadow .2s, background .2s; padding: 8px; text-align: center; overflow: hidden; }
.lt-sau { background: #16a596; box-shadow: 0 6px 0 rgba(0,0,0,.18); padding: 0; }
.lt-sau img { width: 100%; height: 100%; object-fit: cover; border-radius: 18px; }
.lt-truoc { background: #fff; transform: rotateY(180deg); box-shadow: 0 6px 0 #d9d2ee, 0 8px 18px rgba(0,0,0,.2); border: 3px solid #e6e0f5; }
.lt-the.lat .lt-sau { transform: rotateY(-180deg); }
.lt-the.lat .lt-truoc { transform: rotateY(0); }
.lt-the-kq .lt-truoc { transform: none; border-color: #cfe9ff; box-shadow: 0 6px 0 #bcd9f2, 0 8px 18px rgba(0,0,0,.18); }
.lt-truoc b { font-size: clamp(24px, 3vw, 40px); line-height: 1.1; color: var(--ink); overflow-wrap: anywhere; }
.lt-truoc b.dai { font-size: clamp(18px, 2.1vw, 28px); }
.lt-truoc b.rat-dai { font-size: clamp(17px, 1.9vw, 24px); line-height: 1.25; }
.lt-the.dang .lt-truoc { border-color: var(--vang); box-shadow: 0 0 0 5px rgba(255,209,102,.7), 0 8px 20px rgba(0,0,0,.25); }
.lt-the.dang { transform: translateY(-4px) scale(1.04); z-index: 2; }
.lt-the.het { opacity: 0; transform: scale(.6); pointer-events: none; }
.lt-the.sai .lt-truoc { border-color: var(--do); background: var(--do-nhat); animation: rung .45s; }
.lt-the.dung .lt-truoc { border-color: var(--xanh); background: var(--xanh-nhat); box-shadow: 0 0 0 6px rgba(6,214,160,.45), 0 8px 18px rgba(0,0,0,.2); }
.lt-the.gach { opacity: .75; }
.lt-the.gach .lt-truoc { background: #eef0f3; }
.lt-the.gach .lt-truoc::after { content: "✕"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--do); font-size: 70px; font-weight: 800; }
.lt-the.nhac .lt-truoc { animation: rung .45s; }
.lt-the:not(.het):not(:disabled):active { transform: scale(.96); }
@media (prefers-reduced-motion: no-preference) { .lt-the.chia { animation: chiaBai .45s both cubic-bezier(.2,1.4,.4,1); animation-delay: var(--tre, 0s); } @keyframes chiaBai { from { opacity: 0; transform: translateY(-30px) scale(.7) rotate(-6deg); } to { opacity: 1; transform: none; } } }
.lt-tranh { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; align-content: center; }
.lt-nhom-vat { display: flex; flex-wrap: wrap; justify-content: center; max-width: 62px; border: 2px dashed #d9cff3; border-radius: 12px; padding: 2px 3px; background: #faf7ff; }
.lt-nhom-vat i { font-style: normal; font-size: clamp(12px, 1.4vw, 17px); line-height: 1.15; }
.lt-khay { grid-column: 1 / -1; color: #fff; font-size: 18px; font-weight: 800; text-align: center; text-shadow: 0 2px 6px rgba(0,0,0,.4); }
.lt-khay b { font-size: 24px; color: var(--vang); }
.lt-ban-moi { position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%) rotate(-3deg); font-size: clamp(48px, 8vw, 86px); font-weight: 800; color: var(--vang); -webkit-text-stroke: 8px #6a4bc4; paint-order: stroke; pointer-events: none; z-index: 3; }

/* ---------- Xếp Hình Số ---------- */
.xh-san { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; }
.xh-bang { display: flex; gap: 14px; min-height: 0; }
.xh-cot { flex: 1 1 0; min-width: 0; background: rgba(255,255,255,.94); border-radius: 26px; padding: 10px; display: flex; flex-direction: column; gap: 8px; box-shadow: 0 6px 0 rgba(0,0,0,.14); }
.xh-tha { border: 0; border-radius: 20px; min-height: 86px; display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 22px; font-weight: 800; color: #fff; box-shadow: 0 5px 0 rgba(0,0,0,.2); padding: 8px 12px; }
.xh-tha:active { transform: translateY(3px); box-shadow: 0 2px 0 rgba(0,0,0,.2); }
.xh-tha .kh { --kh: .45; }
.xh-tha .kh-dv { --kh: .9; }
#xh-cot-tram .xh-tha { background: linear-gradient(#ff9a52, #f06c1c); }
#xh-cot-chuc .xh-tha { background: linear-gradient(#58b0ff, #2f7fd6); }
#xh-cot-dv .xh-tha { background: linear-gradient(#ffc93d, #e5a100); color: #4a3200; }
.xh-chua { flex: 1; min-height: 0; display: flex; flex-wrap: wrap-reverse; align-content: flex-start; justify-content: center; gap: 6px; padding: 8px 4px; border-radius: 18px; background: repeating-linear-gradient(0deg, #f7f4ff 0 22px, #f1ecfd 22px 23px); overflow: hidden; cursor: pointer; }
#xh-chua-tram { gap: 8px; }
.xh-san.hai-hang #xh-chua-chuc .kh-chuc { --kh: 1.15; }
.xh-san.hai-hang .xh-chua .kh-dv { --kh: 1.2; }
@media (prefers-reduced-motion: no-preference) { .kh.roi { animation: roiKhoi .42s cubic-bezier(.3,1.5,.6,1) both; } @keyframes roiKhoi { from { transform: translateY(-180px); opacity: 0; } 70% { opacity: 1; } to { transform: none; opacity: 1; } } }
.xh-chan { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--ink-2); }
.xh-chan b { font-size: 42px; line-height: 1; color: var(--ink); min-width: 30px; text-align: center; }
.xh-bot { width: 46px; height: 46px; border-radius: 50%; border: 2px solid var(--duong); background: #fff; font-size: 30px; font-weight: 800; line-height: 1; color: var(--ink-2); }
.xh-ben { display: flex; flex-direction: column; justify-content: space-between; align-items: center; gap: 12px; width: 170px; }
.xh-thap-khung { flex: 1; min-height: 0; width: 100%; background: rgba(255,255,255,.9); border-radius: 22px; padding: 10px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 6px; text-align: center; font-size: 15px; color: var(--ink-2); font-weight: 700; }
.xh-thap-khung b { font-size: 22px; color: var(--ink); }
.xh-thap { display: flex; flex-direction: column-reverse; align-items: center; gap: 3px; width: 100%; overflow: hidden; flex: 1; justify-content: flex-start; }
.xh-thap i { display: block; flex: none; height: 16px; width: calc(120px - var(--i) * 7px); min-width: 26px; border-radius: 4px; background: linear-gradient(#ffe29a, #d9a441); border: 2px solid #b7822a; }
.xh-xong { width: 100%; }
.xh-dung { position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%); z-index: 4; background: #fff; border-radius: 28px; padding: 16px 30px; display: flex; flex-direction: column; align-items: center; gap: 2px; box-shadow: 0 0 0 8px rgba(6,214,160,.45), var(--bong); pointer-events: none; text-align: center; }
.xh-dung b { font-size: clamp(34px, 5vw, 56px); color: var(--xanh-dam); line-height: 1.1; }
.xh-dung span { font-size: 24px; font-weight: 800; color: var(--ink-2); }

/* ---------- Truyện Tranh ---------- */
.tt-san { display: flex; flex-direction: column; gap: 12px; }
.tt-khung-hang { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.tt-khung { position: relative; margin: 0; border-radius: 22px; overflow: hidden; background: #fff; border: 4px solid #fff; box-shadow: 0 6px 0 rgba(0,0,0,.18); min-height: 0; }
@media (prefers-reduced-motion: no-preference) { .tt-khung { animation: hienKhung .5s both cubic-bezier(.2,1.2,.4,1); animation-delay: var(--tre, 0s); } @keyframes hienKhung { from { opacity: 0; transform: translateY(18px) scale(.94); } to { opacity: 1; transform: none; } } }
.tt-khung.hoi { border-color: var(--vang); }
.tt-canh { position: absolute; left: 0; right: 0; top: 0; bottom: 29%; background: #bfe9ff center / cover no-repeat; }
.tt-so-khung { position: absolute; left: 10px; top: 10px; z-index: 2; width: 34px; height: 34px; border-radius: 50%; background: var(--tim); color: #fff; font-weight: 800; font-size: 18px; display: grid; place-items: center; box-shadow: 0 2px 6px rgba(0,0,0,.25); }
.tt-nv { position: absolute; z-index: 1; left: 4%; bottom: 30%; height: 56%; max-width: 46%; object-fit: contain; filter: drop-shadow(0 6px 6px rgba(0,0,0,.25)); }
.tt-do { position: absolute; z-index: 1; right: 4%; bottom: 31%; width: 52%; max-height: 58%; display: flex; align-items: flex-end; justify-content: center; }
.tt-khung.hoi .tt-do { right: 8%; bottom: 36%; }
.tt-khung figcaption { position: absolute; left: 0; right: 0; bottom: 0; height: 29%; background: #fff; padding: 8px 12px; font-size: clamp(15px, 1.85vw, 23px); line-height: 1.28; font-weight: 700; color: var(--ink); overflow: hidden; }
.tt-khung figcaption b { color: var(--cam-dam); font-size: 1.12em; }
.tt-vat { display: flex; flex-wrap: wrap; gap: 1px 2px; justify-content: center; align-content: flex-end; align-items: center; background: rgba(255,255,255,.72); border-radius: 14px; padding: 4px 6px; }
.tt-vat i { font-style: normal; font-size: clamp(16px, 2vw, 26px); line-height: 1.1; }
.tt-vat img { width: clamp(16px, 2vw, 26px); height: auto; flex: none; align-self: center; object-fit: contain; }
.tt-vat.nhieu i { font-size: clamp(13px, 1.5vw, 20px); }
.tt-vat.nhieu img { width: clamp(13px, 1.5vw, 20px); }
.tt-vat.di { opacity: .6; }
.tt-vat.di::after { content: "↗"; font-size: 24px; font-weight: 800; color: var(--do-dam); align-self: center; }
.tt-vat.den::before { content: "+"; font-size: 28px; font-weight: 800; color: var(--xanh-dam); align-self: center; margin-right: 2px; }
.tt-vat-so { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 24px; color: var(--ink); }
.tt-vat-so i { font-size: 30px; }
.tt-vat-so img { width: 30px; }
.tt-cac-nhom { gap: 6px; background: none; }
.tt-dia { display: inline-flex; flex-wrap: wrap; justify-content: center; align-items: center; max-width: 70px; min-width: 40px; min-height: 40px; padding: 5px; border-radius: 50%; background: #fff7e6; border: 3px solid #f1d7a6; }
.tt-dia i { font-size: clamp(12px, 1.4vw, 17px); }
.tt-dia img { width: clamp(12px, 1.4vw, 17px); }
.tt-dia.trong { width: 44px; height: 44px; }
.tt-dia.nho { min-width: 0; min-height: 0; padding: 4px 8px; border-radius: 16px; gap: 4px; font-size: 18px; }
.tt-nhan { background: #ffe1d2; color: #b5400f; border-radius: 99px; padding: 6px 14px; font-weight: 800; font-size: clamp(15px, 1.7vw, 20px); white-space: nowrap; }
.tt-hoi-cham { font-size: clamp(60px, 9vw, 110px); font-weight: 800; color: var(--tim); -webkit-text-stroke: 6px #fff; paint-order: stroke; line-height: 1; }
.tt-duoi { position: relative; flex: 0 0 auto; min-height: 150px; background: rgba(255,255,255,.96); border-radius: 26px; padding: 12px 18px; box-shadow: 0 6px 0 rgba(0,0,0,.14); }
.tt-buoc { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.tt-hoi { font-size: 22px; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.tt-so-buoc { width: 32px; height: 32px; border-radius: 50%; background: var(--cam); color: #fff; display: grid; place-items: center; font-size: 18px; flex: none; }
.tt-the-hang { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; }
.tt-the { min-width: 170px; min-height: 76px; border-radius: 22px; border: 4px solid #d9cff3; background: #fff; font-size: clamp(32px, 4vw, 46px); font-weight: 800; color: var(--ink); box-shadow: 0 6px 0 #d9d2ee; padding: 4px 22px; transition: transform .12s; }
.tt-the:active { transform: translateY(4px); box-shadow: 0 2px 0 #d9d2ee; }
.tt-the.dung { border-color: var(--xanh); background: var(--xanh-nhat); }
.tt-the.sai { border-color: var(--do); background: var(--do-nhat); }
.tt-the.goi { border-color: var(--vang); box-shadow: 0 0 0 6px rgba(255,209,102,.6), 0 6px 0 #d9d2ee; }
.tt-buoc2 { flex-direction: row; justify-content: center; gap: 26px; align-items: center; }
.tt-trai { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.tt-o { min-width: 180px; min-height: 72px; border: 4px solid var(--tim); border-radius: 22px; font-size: 48px; font-weight: 800; text-align: center; line-height: 64px; background: #faf8ff; }
.tt-o.sai { border-color: var(--do); background: var(--do-nhat); }
.ban-phim-ngang { width: min(430px, 48vw); grid-template-columns: repeat(5, 1fr); gap: 8px; }
.ban-phim-ngang button { min-height: 50px; font-size: 26px; }
.ban-phim-ngang [data-k="0"] { order: 10; }
.ban-phim-ngang .phim-xoa { order: 11; grid-column: span 2; }
.ban-phim-ngang .phim-xong { order: 12; grid-column: span 3; font-size: 22px; }
.tt-giai { position: absolute; inset: 0; z-index: 2; background: #fffdf3; border: 3px solid #f2dca0; border-radius: 26px; display: flex; align-items: center; justify-content: center; gap: 28px; padding: 10px 22px; }
.tt-giai-nd { font-size: clamp(17px, 2vw, 22px); line-height: 1.35; font-weight: 700; }
.tt-giai-nhan { font-weight: 800; text-decoration: underline; color: var(--cam-dam); }
.tt-giai-phep { font-size: 1.2em; color: var(--ink); }
.tt-giai-dap { font-weight: 800; color: var(--xanh-dam); }

/* ---------- Bài học 30 giây ---------- */
#man-bai-hoc { display: grid; place-items: center; padding: calc(12px + var(--an-toan-tren)) 14px calc(12px + var(--an-toan-duoi)); overflow-y: auto; }
.bh-khung { position: relative; width: min(980px, 100%); background: #fff; border-radius: 34px; padding: 18px 26px 18px; box-shadow: var(--bong); display: flex; flex-direction: column; gap: 12px; }
.bh-dau { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.bh-nhan { font-size: 14px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: #7a5a10; background: var(--vang-nhat); border-radius: 99px; padding: 4px 14px; }
.bh-dau h1 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.1; flex: 1; }
.bh-cham { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0; }
.bh-cham li { width: 14px; height: 14px; border-radius: 50%; background: var(--duong); }
.bh-cham li.xong { background: var(--xanh); }
.bh-cham li.dang { background: var(--cam); transform: scale(1.25); }
.bh-san { min-height: min(38vh, 320px); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; background: #fff9ec; border-radius: 24px; padding: 16px 16px 26px; }
.bh-hang { display: flex; gap: 18px; align-items: flex-end; justify-content: center; flex-wrap: wrap; }
.bh-qua { gap: 6px; font-size: 38px; }
.bh-qua i { font-style: normal; }
.bh-dia { position: relative; display: inline-flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 2px; min-width: 110px; min-height: 84px; max-width: 150px; padding: 12px 14px; border-radius: 50%; background: radial-gradient(circle at 50% 45%, #ffffff 55%, #f4e2bf 56%); border: 4px solid #eac98c; }
.bh-dia i { font-style: normal; font-size: 32px; line-height: 1.1; }
.bh-dia.khay { border-radius: 40px; max-width: 250px; min-width: 150px; }
.bh-dem { position: absolute; left: 50%; bottom: -34px; transform: translateX(-50%); font-size: 26px; font-weight: 800; color: var(--cam-dam); }
.bh-pt { font-size: clamp(32px, 4.4vw, 48px); font-weight: 800; color: var(--ink); line-height: 1.2; margin-top: 14px; }
.bh-pt.to { font-size: clamp(40px, 6vw, 64px); display: flex; align-items: flex-start; gap: 14px; }
.bh-o { display: inline-flex; flex-direction: column; align-items: center; line-height: 1; padding: 4px 12px 6px; border-radius: 16px; background: #fff; border: 3px solid #ffd79a; }
.bh-o small { font-size: 15px; font-weight: 800; color: var(--ink-2); margin-top: 4px; }
.bh-hai { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; }
.bh-khoi-hang { align-items: center; }
.bh-khoi { display: flex; flex-wrap: wrap; gap: 4px; align-items: flex-end; justify-content: center; max-width: 300px; }
.bh-khoi .kh-chuc { --kh: .7; }
.bh-khoi .kh-dv { --kh: .9; }
.bh-bang { font-size: 48px; font-weight: 800; color: var(--tim); }
.bh-mo-hinh { display: flex; gap: 30px; align-items: flex-end; }
.bh-cot { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.bh-cot > b { font-size: 36px; line-height: 1; }
.bh-cot small { font-size: 16px; font-weight: 800; color: var(--ink-2); }
.bh-cot .bh-khoi { min-height: 30px; max-width: 220px; }
.bh-cot .kh-tram { --kh: .7; }
.bh-san .bh-the { font-size: 38px; font-weight: 800; border-radius: 20px; padding: 6px 24px; border: 4px solid; background: #fff; }
.bh-san .bh-the.dung { border-color: var(--xanh); background: var(--xanh-nhat); }
.bh-san .bh-the.gach { border-color: #e2dbf6; color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--do); text-decoration-thickness: 4px; }
.bh-giai { background: #fff; border: 3px solid #f2dca0; border-radius: 20px; padding: 12px 22px; font-size: 22px; line-height: 1.4; font-weight: 700; }
.bh-chu { font-size: clamp(19px, 2.3vw, 25px); font-weight: 700; text-align: center; line-height: 1.35; min-height: 2.7em; }
.bh-thu { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.bh-thu .bh-the { min-width: 150px; min-height: 68px; border-radius: 20px; border: 4px solid #d9cff3; background: #fff; font-size: 36px; font-weight: 800; box-shadow: 0 5px 0 #d9d2ee; color: var(--ink); }
.bh-thu .bh-the.dung { border-color: var(--xanh); background: var(--xanh-nhat); }
.bh-thu .bh-the.sai { border-color: var(--do); background: var(--do-nhat); }
.bh-duoi { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; }
.bh-hinh { width: 110px; margin: -40px 0 -8px -6px; filter: drop-shadow(0 6px 8px rgba(0,0,0,.2)); }
@media (prefers-reduced-motion: no-preference) {
  .bh-dia, .bh-hien { animation: bhHien .5s both cubic-bezier(.2,1.4,.4,1); animation-delay: var(--tre, 0s); }
  @keyframes bhHien { from { opacity: 0; transform: translateY(14px) scale(.8); } to { opacity: 1; transform: none; } }
}

/* ---------- Màn hình hẹp, xoay dọc (giai đoạn 2) ---------- */
@media (max-width: 900px) {
  .xh-ben { width: 130px; }
  .xh-tha { font-size: 18px; min-height: 70px; }
  .xh-chua .kh-tram { --kh: .8; }
  .lt-luoi { gap: 10px; }
}
@media (orientation: portrait), (max-width: 760px) {
  .kc-cau { top: calc(150px + var(--an-toan-tren)); max-width: 92vw; }
  .kc-tien-do { top: calc(128px + var(--an-toan-tren)); }
  .kc-san { top: calc(230px + var(--an-toan-tren)); }
  .lt-san { grid-template-columns: 1fr; grid-template-rows: auto auto auto; overflow-y: auto; align-content: start; }
  .lt-the { max-height: none; aspect-ratio: auto; height: 118px; }
  .xh-san { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; }
  .xh-ben { width: 100%; flex-direction: row; }
  .xh-thap-khung { display: none; }
  .xh-bang { gap: 8px; }
  .xh-cot { padding: 6px; border-radius: 20px; }
  .xh-tha { flex-direction: column; gap: 4px; font-size: 15px; min-height: 70px; padding: 6px; }
  .xh-chua .kh-tram { --kh: .5; }
  .xh-chua .kh-chuc { --kh: .7; }
  .xh-chua .kh-dv { --kh: .8; }
  .xh-chan { font-size: 14px; gap: 4px; flex-wrap: wrap; }
  .xh-chan b { font-size: 30px; }
  .xh-bot { width: 38px; height: 38px; font-size: 24px; }
  .tt-khung-hang { grid-template-columns: 1fr; overflow-y: auto; }
  .tt-khung { min-height: 220px; }
  .tt-buoc2 { flex-direction: column; }
  .ban-phim-ngang { width: 100%; }
  .bh-mo-hinh { gap: 14px; }
}
@media (max-height: 640px) and (orientation: landscape) {
  .kc-san { top: calc(104px + var(--an-toan-tren)); }
  .kc-tien-do { top: calc(84px + var(--an-toan-tren)); }
  .tt-duoi { min-height: 120px; padding: 8px 14px; }
  .tt-the { min-height: 60px; font-size: 30px; }
  .xh-tha { min-height: 60px; }
  .xh-chua .kh-chuc { --kh: .8; }
  .xh-chua .kh-tram { --kh: .72; }
  .bh-san { min-height: 30vh; }
}
.ph-hinh-giai { display: flex; justify-content: center; margin: 4px 0; }
.ph-hinh-giai svg { max-width: 100%; height: auto; max-height: 260px; }