/* Trò chơi chữ (/cong-cu/tro-choi-chu). Tệp nạp ở mọi trang → mọi lớp có tiền tố tcc-. */
.chinh:has(> .tcc) { max-width: 1240px; }
.tcc [hidden] { display: none !important; }
.tcc-an { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.tcc-ve { margin: 0 0 4px; font-size: .875rem; }
.tcc-ve a { text-decoration: none; font-weight: 600; }
.tcc-ve a::before { content: "‹ "; }
.tcc-dau { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 12px; }
.tcc-dau h1 { margin: 0; }
.tcc-dau .phu { margin: 2px 0 0; max-width: 52rem; }
.tcc-nguon { margin-top: 18px; }

/* Danh mục */
.tcc-nhom { font-size: 1.05rem; margin: 18px 0 8px; color: var(--c-dam); }
.tcc-ds { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.tcc-o { display: flex; flex-direction: column; gap: 4px; margin: 0; transition: border-color .15s; }
.tcc-o__h { font-weight: 700; font-size: 1.08rem; color: var(--c-dam); }
.tcc-o__m { color: var(--phu); font-size: .9375rem; }
.tcc-o__kl { font-size: .8125rem; color: var(--nhan-dam); font-weight: 600; }
.tcc-o__kl:empty { display: none; }

/* Nhóm nút chọn một (số chữ cái) */
.tcc-chip { display: flex; flex-wrap: wrap; gap: 6px; }
.tcc-chip__nut { min-height: 36px; padding: 5px 13px; border-radius: 999px; border: 1px solid var(--c-vien); background: var(--the); color: var(--c-dam); font: inherit; font-size: .875rem; font-weight: 700; cursor: pointer; }
.tcc-chip__nut[aria-pressed="true"] { background: var(--c-dam); border-color: var(--c-dam); color: #fff; }
.tcc-chip__nut:disabled { opacity: .5; cursor: default; }

/* ── Đoán từ ── */
.tcc-dt-bo { display: grid; gap: 16px; align-items: start; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 980px) { .tcc-dt-bo { grid-template-columns: minmax(0, 1fr) 360px; } }
.tcc-dt-san { margin: 0; }
.tcc-dt-ben .the h2 { font-size: 1.05rem; color: var(--c-dam); }
.tcc-dt-thanh { display: flex; flex-wrap: wrap; gap: 8px 14px; justify-content: space-between; align-items: center; }
.tcc-dt-che-do { margin: 10px 0 12px; font-weight: 600; color: var(--c-dam); }
.tcc-dt-luoi { --o: min(58px, calc((100vw - 72px) / var(--cot, 6) - 6px)); display: grid; gap: 6px; justify-content: center; margin: 0 auto 10px; }
.tcc-dt-hang { display: grid; grid-template-columns: repeat(var(--cot, 6), var(--o)); gap: 6px; }
.tcc-dt-o { height: var(--o); display: grid; place-items: center; border: 2px solid #c9d0cb; border-radius: 8px; background: #fff; font-size: calc(var(--o) * .5); font-weight: 800; color: var(--chu); }
.tcc-dt-o--go { border-color: var(--c); }
.tcc-dt-o--dung, .tcc-mau--dung, .tcc-dt-phim__nut--dung { background: var(--xanh-la); border-color: var(--xanh-la); color: #fff; }
.tcc-dt-o--co, .tcc-mau--co, .tcc-dt-phim__nut--co { background: var(--nhan); border: 2px dashed var(--nhan-dam); color: #3d2a05; }
.tcc-dt-o--khong, .tcc-mau--khong, .tcc-dt-phim__nut--khong { background: #6b7775; border-color: #6b7775; color: #fff; }
.tcc-dt-bao { min-height: 1.5em; margin: 0 0 8px; text-align: center; font-weight: 600; color: var(--do); }
.tcc-dt-nhap { display: flex; gap: 8px; max-width: 520px; margin: 0 auto 12px; }
.tcc-dt-nhap input { flex: 1; min-width: 0; min-height: 46px; padding: 10px 12px; border: 1px solid #cfd6d1; border-radius: var(--r-nho); font: inherit; font-size: 1.05rem; }
.tcc-dt-nhap input:focus { border-color: var(--c); outline: 3px solid var(--c-nhat); }
.tcc-dt-phim { display: grid; gap: 6px; max-width: 560px; margin: 0 auto; }
.tcc-dt-phim__hang { display: flex; justify-content: center; gap: 5px; }
.tcc-dt-phim__nut { flex: 1 1 0; max-width: 48px; min-width: 0; height: 46px; padding: 0; border: 1px solid #c9d0cb; border-radius: 8px; background: #eef1ee; color: var(--chu); font: inherit; font-weight: 700; cursor: pointer; }
.tcc-dt-phim__nut--rong { flex: 1.8 1 0; max-width: 84px; font-size: .875rem; }
.tcc-dt-phim__nut:hover { filter: brightness(.95); }
.tcc-dt-ket { text-align: center; padding: 6px 0 2px; }
.tcc-dt-ket .hang-nut { justify-content: center; }
.tcc-dt-ket__tu { font-size: 1.35rem; font-weight: 800; color: var(--c-dam); margin-bottom: 4px; }
.tcc-dt-ket__tu--thang { color: var(--xanh-la); }
.tcc-dt-ket__nghia { color: var(--chu); max-width: 46rem; margin: 0 auto 12px; min-height: 1.5em; }
.tcc-dt-cach { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; font-size: .9375rem; }
.tcc-mau { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 6px; font-weight: 800; font-size: .875rem; margin-right: 4px; vertical-align: middle; }
.tcc-dt-tk { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 0 0 10px; text-align: center; }
.tcc-dt-tk dt { font-size: .75rem; color: var(--phu); }
.tcc-dt-tk dd { margin: 0; font-size: 1.25rem; font-weight: 800; color: var(--c-dam); }
.tcc-dt-tk > div { display: flex; flex-direction: column-reverse; justify-content: flex-end; }
.tcc-dt-pb { display: grid; gap: 4px; margin-bottom: 12px; font-size: .8125rem; }
.tcc-dt-pb__hang { display: grid; grid-template-columns: 52px 1fr; gap: 6px; align-items: center; }
.tcc-dt-pb__thanh { display: block; background: #eef1ee; border-radius: 5px; overflow: hidden; }
.tcc-dt-pb__thanh > span { display: block; background: var(--c); color: #fff; font-weight: 700; text-align: right; padding: 1px 6px; border-radius: 5px; }
.tcc-dt-lop-nut { margin-top: 10px; }
.tcc-dt-lop-bao { margin: 8px 0 6px; font-size: .875rem; color: var(--phu); min-height: 1.3em; }
.tcc-dt-lop-lk { width: 100%; min-height: 40px; padding: 8px 10px; border: 1px solid #cfd6d1; border-radius: var(--r-nho); font: inherit; font-size: .8125rem; color: var(--phu); background: #f6f8f6; }

/* ── Nối từ ── */
.tcc-nt-cai__luoi { display: grid; gap: 12px; margin-bottom: 14px; }
@media (min-width: 760px) { .tcc-nt-cai__luoi { grid-template-columns: repeat(3, 1fr); } }
.tcc-nt-kl { margin: 12px 0 0; }
.tcc-nt-kl:empty { display: none; }
.tcc-nt-thanh { display: flex; flex-wrap: wrap; gap: 8px 14px; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.tcc-nt-diem { margin: 0; font-weight: 700; color: var(--c-dam); }
.tcc-nt-chuoi { list-style: none; margin: 0 0 10px; padding: 10px; display: flex; flex-wrap: wrap; gap: 8px 6px; align-content: flex-start; min-height: 120px; max-height: 46vh; overflow-y: auto;
  background: #f6f8f6; border: 1px solid var(--vien); border-radius: var(--r-nho); }
.tcc-nt-tu { display: flex; flex-direction: column; align-items: flex-start; }
.tcc-nt-tu:not(:last-child)::after { content: none; }
.tcc-nt-tu__ai { font-size: .6875rem; font-weight: 700; color: var(--phu); padding-left: 10px; }
.tcc-nt-tu__chu { border: 1px solid var(--c-vien); background: var(--c-nhat); color: var(--c-dam); border-radius: 999px; padding: 5px 13px; font: inherit; font-weight: 700; cursor: pointer; }
.tcc-nt-tu--may .tcc-nt-tu__chu { background: #fff; border-color: #c9d0cb; color: var(--chu); }
.tcc-nt-tu--b .tcc-nt-tu__chu { background: var(--nhan-nhat); border-color: #e9cf99; color: var(--nhan-dam); }
.tcc-nt-tu--cuoi .tcc-nt-tu__chu { box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 35%, #fff); }
.tcc-nt-nghia { min-height: 1.5em; margin: 0 0 8px; font-size: .9375rem; }
.tcc-nt-gio { height: 8px; border-radius: 999px; background: #e6ebe7; overflow: hidden; margin-bottom: 8px; }
.tcc-nt-gio > span { display: block; height: 100%; width: 100%; background: var(--c); transition: width .2s linear; }
.tcc-nt-gio--gap > span { background: var(--do); }
.tcc-nt-luot { margin: 0 0 8px; font-weight: 700; font-size: 1.05rem; color: var(--c-dam); min-height: 1.5em; }
.tcc-nt-nhap { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.tcc-nt-nhap input { flex: 1 1 220px; min-width: 0; min-height: 46px; padding: 10px 12px; border: 1px solid #cfd6d1; border-radius: var(--r-nho); font: inherit; font-size: 1.1rem; }
.tcc-nt-nhap input:focus { border-color: var(--c); outline: 3px solid var(--c-nhat); }
.tcc-nt-bao { min-height: 1.5em; margin: 0 0 6px; font-weight: 600; color: var(--nhan-dam); }
.tcc-nt-het__chu { font-weight: 700; font-size: 1.05rem; color: var(--c-dam); }
.tcc-nt-san:fullscreen { background: var(--bg); padding: 24px clamp(16px, 4vw, 56px); overflow: auto; font-size: clamp(1.1rem, 1.5vw, 1.6rem); }
.tcc-nt-san:fullscreen .tcc-nt-chuoi { max-height: 56vh; }
.tcc-nt-san:fullscreen .tcc-nt-nhap input { font-size: 1.2em; min-height: 60px; }

/* ── Phiếu in ── */
.tcc-ph-bo { display: grid; gap: 16px; align-items: start; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 1040px) { .tcc-ph-bo { grid-template-columns: 400px minmax(0, 1fr); } }
.tcc-ph-soan { display: flex; flex-direction: column; gap: 12px; margin: 0; }
.tcc-ph-soan h2 { margin: 0; font-size: 1.05rem; color: var(--c-dam); }
.tcc-ph-hang { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); align-items: end; }
.tcc-ph-hang--so { grid-template-columns: minmax(0, 1fr) auto; }
.tcc-ph-bao { margin: 0; min-height: 1.4em; font-size: .9375rem; color: var(--xanh-la); font-weight: 600; }
.tcc-ph-bao--loi { color: var(--do); }
.tcc-ph-xem { min-width: 0; }
.tcc-in { display: grid; gap: 16px; }
.tcc-trang { background: #fff; border: 1px solid var(--vien); border-radius: 6px; box-shadow: var(--bong); padding: clamp(14px, 3vw, 32px); color: #000; max-width: 820px; width: 100%; margin: 0 auto; overflow-x: auto; }
.tcc-trang--dap-an { display: none; }
.tcc-in--dap-an .tcc-trang--dap-an { display: block; }
.tcc-trang__dau h2 { font-size: 1.35rem; margin: 0 0 6px; text-align: center; }
.tcc-trang__ten { margin: 0 0 10px; font-size: .9375rem; white-space: pre-wrap; }
.tcc-trang__de { margin: 0 0 12px; font-size: .9375rem; }

.tcc-tc-luoi { border-collapse: collapse; margin: 0 auto 14px; table-layout: fixed; }
.tcc-tc-luoi td { --o: clamp(17px, calc(min(100vw - 80px, 700px) / var(--n)), 36px); width: var(--o); height: var(--o); text-align: center; vertical-align: middle; border: 1px solid #9aa3a0; font-weight: 700;
  font-size: calc(var(--o) * .56); line-height: 1; padding: 0; }
.tcc-tc-luoi td.tcc-tc-da { background: #ffe08a; }
.tcc-tc-tu { list-style: none; margin: 0; padding: 0; columns: 3; column-gap: 18px; font-size: .9375rem; }
.tcc-tc-tu li { padding: 2px 0; break-inside: avoid; }
.tcc-tc-tu li::before { content: "☐ "; }

.tcc-mc-svg { display: block; width: 100%; max-width: 640px; height: auto; margin: 0 auto 8px; }
.tcc-mc-tuong { fill: none; stroke: #111; stroke-width: 2; stroke-linecap: round; }
.tcc-mc-duong { fill: none; stroke: #d92d20; stroke-width: 4; stroke-linejoin: round; stroke-linecap: round; opacity: .75; }
.tcc-mc-nhan { font: 700 9px system-ui, sans-serif; text-anchor: middle; fill: #111; }
.tcc-mc-chu { font: 700 11.5px system-ui, sans-serif; text-anchor: middle; fill: #111; }
.tcc-mc-chu--dung { fill: #b42318; }
.tcc-mc-khoa { text-align: center; font-size: 1.05rem; font-weight: 600; margin: 8px 0 0; letter-spacing: .04em; }

.tcc-bg-trang { display: grid; gap: 18px; }
.tcc-bg-trang--4 { grid-template-columns: 1fr 1fr; }
.tcc-bg-the { border: 2px solid #111; border-radius: 8px; padding: 10px; break-inside: avoid; }
.tcc-bg-the__dau { text-align: center; font-weight: 800; font-size: 1.15rem; }
.tcc-bg-the__so { text-align: center; font-size: .75rem; color: #444; margin-bottom: 6px; }
.tcc-bg-luoi { width: 100%; border-collapse: collapse; table-layout: fixed; }
.tcc-bg-luoi td { border: 1.5px solid #111; text-align: center; vertical-align: middle; height: clamp(44px, 9vw, 84px); padding: 3px; font-weight: 700; font-size: clamp(1rem, 2.4vw, 1.5rem); overflow-wrap: anywhere; line-height: 1.15; }
.tcc-bg-trang--4 .tcc-bg-luoi td { height: clamp(34px, 5.5vw, 56px); font-size: clamp(.8rem, 1.6vw, 1.05rem); }
.tcc-bg-luoi td.tcc-bg-vua { font-size: clamp(.8rem, 1.7vw, 1.05rem); }
.tcc-bg-luoi td.tcc-bg-nho, .tcc-bg-trang--4 .tcc-bg-luoi td.tcc-bg-vua { font-size: clamp(.68rem, 1.2vw, .85rem); }
.tcc-bg-trang--4 .tcc-bg-luoi td.tcc-bg-nho { font-size: .62rem; }
.tcc-bg-luoi td.tcc-bg-tu-do { background: #eee; font-size: .8rem; font-weight: 600; }

.tcc-goi__thanh { display: flex; flex-wrap: wrap; gap: 8px 14px; justify-content: space-between; align-items: center; }
.tcc-goi__thanh h2 { margin: 0; color: var(--c-dam); }
.tcc-goi__dang { margin: 18px 0 6px; text-align: center; font-size: clamp(2.4rem, 9vw, 6rem); font-weight: 800; color: var(--c-dam); line-height: 1.1; overflow-wrap: anywhere; }
.tcc-goi__dang--cho { font-size: 1.1rem; font-weight: 600; color: var(--phu); }
.tcc-goi__dem { text-align: center; margin: 0 0 10px; }
.tcc-goi__da { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tcc-goi__da li { padding: 3px 11px; border-radius: 999px; background: #eef1ee; font-weight: 600; }
.tcc-goi__da li.tcc-goi__moi { background: var(--nhan); color: #3d2a05; }
.tcc-goi:fullscreen { background: var(--bg); padding: 24px clamp(16px, 4vw, 56px); overflow: auto; }
.tcc-goi:fullscreen .tcc-goi__dang { font-size: clamp(4rem, 16vw, 13rem); margin: 6vh 0 3vh; }
.tcc-goi:fullscreen .tcc-goi__da { font-size: clamp(1rem, 1.6vw, 1.6rem); }

@media (max-width: 640px) {
  .tcc-dt-tk { grid-template-columns: repeat(3, 1fr); }
  .tcc-tc-tu { columns: 2; }
  .tcc-dt-nhap input, .tcc-nt-nhap input { font-size: 1rem; }
}

/* In: chỉ in các trang phiếu */
@media print {
  @page { size: A4 portrait; margin: 12mm; }
  body:has(.tcc-ph) .dau, body:has(.tcc-ph) .chan, body:has(.tcc-ph) .demo-bar, body:has(.tcc-ph) .skip,
  .tcc-ph .tcc-ve, .tcc-ph .tcc-dau, .tcc-ph-soan, .tcc-ph #tcc-ph-rong, .tcc-goi { display: none !important; }
  body:has(.tcc-ph) { background: #fff; }
  .chinh:has(> .tcc-ph) { max-width: none; padding: 0; }
  .tcc-ph-bo, .tcc-in { display: block; }
  .tcc-trang { border: 0; box-shadow: none; border-radius: 0; padding: 0; max-width: none; overflow: visible; break-after: page; }
  .tcc-trang:last-child, .tcc-in:not(.tcc-in--dap-an) .tcc-trang:not(.tcc-trang--dap-an):nth-last-child(1 of :not(.tcc-trang--dap-an)) { break-after: auto; }
  .tcc-tc-luoi td { --o: min(9.4mm, calc(180mm / var(--n))); font-size: calc(var(--o) * .56); border-color: #555; }
  .tcc-tc-luoi td.tcc-tc-da { background: #ffe08a !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .tcc-tc-tu { font-size: 11pt; }
  .tcc-mc-svg { max-width: none; width: 100%; max-height: 225mm; }
  .tcc-mc-duong { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .tcc-bg-trang { gap: 8mm; align-content: start; }
  .tcc-bg-trang--1 .tcc-bg-luoi td { height: 40mm; font-size: 22pt; }
  .tcc-bg-trang--2 .tcc-bg-luoi td { height: 21mm; font-size: 15pt; }
  .tcc-bg-trang--4 .tcc-bg-luoi td { height: 17mm; font-size: 10.5pt; }
  .tcc-bg-trang--1 .tcc-bg-luoi td.tcc-bg-vua { font-size: 15pt; } .tcc-bg-trang--1 .tcc-bg-luoi td.tcc-bg-nho { font-size: 11pt; }
  .tcc-bg-trang--2 .tcc-bg-luoi td.tcc-bg-vua { font-size: 11pt; } .tcc-bg-trang--2 .tcc-bg-luoi td.tcc-bg-nho { font-size: 8.5pt; }
  .tcc-bg-trang--4 .tcc-bg-luoi td.tcc-bg-vua { font-size: 8pt; } .tcc-bg-trang--4 .tcc-bg-luoi td.tcc-bg-nho { font-size: 6.5pt; }
  .tcc-bg-luoi td.tcc-bg-tu-do { background: #eee !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}