/* LÕI — giao diện Cùng máy & Online (HOP-DONG mục 19). Nạp sau app.css và bang-mau.css.
   Máy tính bảng (.co-lon), chuẩn bị cùng máy, màn chuyền máy, đồng hồ lượt, chấm mạng, phòng chờ, chat, chơi lại. */

/* ---------- 19.1 Máy tính bảng: chữ, nút, thanh to hơn khoảng 15% ---------- */
.co-lon {
  --co-1: 12.5px; --co-2: 14px; --co-3: 16px; --co-4: 18px; --co-5: 22px; --co-6: 28px;
  --cham: 50px; --cham-nho: 44px;
  --cao-dau: 58px; --cao-nav: 64px; --rong-nav: 86px; --cao-thanh-choi: 52px;
}
.co-lon.kieu-ngang { --cao-dau: 54px; --cao-thanh-choi: 48px; }
.co-lon .nguoi .av.th-av { --av: 32px; }
.co-lon .nhom-chon button { height: 38px; min-height: 38px; padding: 0 16px; }
.co-lon .th-hop { max-width: min(640px, calc(100% - 48px)); }
.co-lon.kieu-ngang .hop-cd { width: min(900px, calc(100% - 48px)); }

/* ---------- Chấm mạng, chip mạng ---------- */
.av-boc { position: relative; display: inline-grid; flex: none; }
.cham-mang { position: absolute; right: -1px; bottom: -1px; width: 11px; height: 11px; border-radius: 50%; border: 2px solid var(--mat); background: var(--chu-nhat); display: none; }
.cham-mang.mang-tot, .cham-mang.mang-yeu, .cham-mang.mang-mat { display: block; }
.mang-tot { --mm: var(--la); } .mang-yeu { --mm: var(--vang); } .mang-mat { --mm: var(--do); }
.cham-mang.mang-tot, .cham-mang.mang-yeu, .cham-mang.mang-mat { background: var(--mm); }
.co-lon .cham-mang { width: 13px; height: 13px; }
.chip-mang { flex: none; display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border-radius: 14px; background: var(--mat-2); color: var(--chu);
  font: 700 var(--co-1) var(--font); white-space: nowrap; font-variant-numeric: tabular-nums; }
.chip-mang i { width: 8px; height: 8px; border-radius: 50%; background: var(--mm, var(--chu-nhat)); }
.chip-mang.mang-yeu { background: color-mix(in srgb, var(--vang) 20%, var(--mat)); }
.chip-mang.mang-mat { background: color-mix(in srgb, var(--do) 16%, var(--mat)); color: var(--do); }
.kieu-doc .thanh-tren .chip-mang span { display: none; }
.kieu-doc .thanh-tren .chip-mang { padding: 0 8px; }
.nguoi.th-mang-mat, .th-o-ghe.th-mang-mat { opacity: .55; }
.chip-rot { font-size: var(--co-1); font-weight: 700; color: var(--do); }
.chip-rot:empty { display: none; }

/* ---------- 19.4 Đồng hồ lượt ---------- */
.th-thanh-gio { position: absolute; left: 10%; right: 10%; bottom: -2px; height: 3px; border-radius: 2px; display: none; pointer-events: none; z-index: 2;
  background: linear-gradient(to right, var(--chinh) calc(var(--th-gio, 0) * 100%), color-mix(in srgb, var(--chu-nhat) 25%, transparent) 0); }
.th-dem > .th-thanh-gio { display: block; }
.th-gap > .th-thanh-gio { background: linear-gradient(to right, var(--do) calc(var(--th-gio, 0) * 100%), color-mix(in srgb, var(--do) 20%, transparent) 0); }
.nguoi.th-gap { border-color: var(--do); }
.chip-luot { flex: none; display: inline-flex; align-items: center; gap: 5px; height: 28px; padding: 0 10px 0 8px; border-radius: 14px;
  background: var(--mat); box-shadow: inset 0 0 0 2px var(--c, var(--chinh)); color: var(--chu); font: 800 var(--co-2) var(--font); font-variant-numeric: tabular-nums; white-space: nowrap; }
.chip-luot .th-ic svg { width: 15px; height: 15px; }
.chip-luot.gap { background: var(--do); color: #fff; box-shadow: none; animation: th-nhay-gio calc(1s * var(--tg, 1)) steps(2) infinite; }
@keyframes th-nhay-gio { 50% { opacity: .75; } }
.kieu-doc .man-choi:not(.nguoi-rieng) .chip-luot .th-ic { display: none; }
@media (prefers-reduced-motion: reduce) { .chip-luot.gap { animation: none; } }

/* ---------- 19.2 Chuẩn bị Cùng máy (trong hộp chọn chế độ) ---------- */
.cm-nguoi { align-items: stretch !important; flex-direction: column; }
.cm-ds { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.cm-dong { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 8px; }
.cm-av { border: 0; padding: 2px; border-radius: 50%; background: var(--c); cursor: pointer; display: grid; position: relative; }
.cm-av .th-av { --av: 32px; box-shadow: 0 0 0 2px var(--mat); }
.cm-av::after { content: ''; position: absolute; inset: -6px; }
.cm-dong .th-o-nhap { padding: .4em .7em; font-size: var(--co-3); min-width: 0; width: 100%; height: 40px; }
.cm-dong .th-o-nhap:disabled { color: var(--chu-nhat); background: var(--mat-2); }
.cm-loai-co-dinh { font: 700 var(--co-2) var(--font); color: var(--chu-nhat); padding: 0 12px; }
.cm-ngoi { display: grid; grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)); gap: 6px; width: 100%; }
.cm-ngoi-o { border: 1.5px solid var(--vien); background: var(--mat); border-radius: var(--bo-1); padding: 8px 6px; display: flex; flex-direction: column; align-items: center; gap: 2px;
  font: 600 var(--co-1) var(--font); color: var(--chu-nhat); cursor: pointer; min-height: 44px; }
.cm-ngoi-o b { font-size: var(--co-2); color: var(--chu); }
.cm-ngoi-o.bat { border-color: var(--chinh); background: var(--hong-nhat); }
.cm-ngoi-o.bat b { color: var(--chinh); }
.cm-ngoi-hinh svg { width: 46px; height: 32px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.cm-ngoi-hinh svg .d { fill: currentColor; stroke: none; }
.cm-ngoi-o.bat .cm-ngoi-hinh { color: var(--chinh); }

/* ---------- 19.2 Màn chuyền máy (che bài) ---------- */
.man-chuyen-may, .theme-trang .man-chuyen-may { position: absolute; inset: 0; z-index: 40; display: grid; place-items: center; overflow: hidden;
  background: #221d27; color: #fff; text-align: center; cursor: default; padding: calc(var(--an-tren) + 12px) calc(var(--an-phai) + 16px) calc(var(--an-duoi) + 12px) calc(var(--an-trai) + 16px); }
.cm-giua { display: flex; flex-direction: column; align-items: center; gap: 10px; width: min(420px, 100%); max-height: 100%; }
.cm-tro { font: 600 var(--co-2) var(--font); color: #d9cfe0; background: rgba(255, 255, 255, .08); padding: 4px 12px; border-radius: 999px; }
.cm-av { padding: 4px; border-radius: 50%; background: var(--c); display: grid; }
.man-chuyen-may .cm-av .th-av { --av: 88px; margin: 0; box-shadow: 0 0 0 3px #221d27; }
.man-chuyen-may h2 { margin: 2px 0 0; font-size: var(--co-6); font-weight: 800; }
.man-chuyen-may p { margin: 0; color: #cfc5d6; font-size: var(--co-3); max-width: 300px; }
.cm-vua-xay-ra { width: 100%; background: rgba(255, 255, 255, .07); border-radius: var(--bo-2); padding: 10px 12px; text-align: left; display: flex; flex-direction: column; gap: 6px; }
.cm-vua-xay-ra small { font: 700 var(--co-1) var(--font); letter-spacing: .06em; color: #a99fb1; }
.cm-dong-nk { display: flex; align-items: center; gap: 8px; font-size: var(--co-3); }
.cm-dong-nk i { width: 10px; height: 10px; border-radius: 50%; background: var(--c); flex: none; }
.nut-giu { position: relative; width: 132px; height: 132px; margin-top: 6px; border-radius: 50%; border: 0; cursor: pointer; background: rgba(255, 255, 255, .1);
  box-shadow: inset 0 0 0 3px var(--chinh); color: #fff; font: 800 var(--co-3) var(--font); line-height: 1.25; display: grid; place-items: center; overflow: hidden;
  touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; flex: none; }
.nut-giu-vong { position: absolute; inset: 0; border-radius: 50%; background: var(--chinh); transform: scale(0); transition: transform .12s ease-in; }
.nut-giu.dang-giu .nut-giu-vong { transform: scale(1); transition: transform .65s linear; }
.nut-giu-chu { position: relative; padding: 0 18px; }
.nut-giu:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.cm-goi-y { color: #a99fb1; font-size: var(--co-1); }
.cm-chip-ghe { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.cm-chip-ghe .chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border-radius: 14px; background: rgba(255, 255, 255, .08); color: #e9e2ee;
  font: 600 var(--co-2) var(--font); border: 0; }
.cm-chip-ghe .chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
.cm-chip-ghe .chip.bat { box-shadow: inset 0 0 0 1.5px var(--c); color: #fff; }
.kieu-ngang .cm-giua { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-areas: "tro tro" "av h" "av p" "nk nut" "nk goi" "chip chip";
  width: min(640px, 100%); column-gap: 20px; row-gap: 6px; align-items: center; text-align: left; }
.kieu-ngang .cm-tro { grid-area: tro; justify-self: center; } .kieu-ngang .cm-giua .cm-av { grid-area: av; justify-self: center; align-self: center; } .kieu-ngang .cm-giua h2 { grid-area: h; align-self: end; }
.kieu-ngang .cm-giua p { grid-area: p; align-self: start; } .kieu-ngang .cm-vua-xay-ra { grid-area: nk; align-self: stretch; }
.kieu-ngang .nut-giu { grid-area: nut; justify-self: center; width: 112px; height: 112px; } .kieu-ngang .cm-goi-y { grid-area: goi; text-align: center; }
.kieu-ngang .cm-chip-ghe { grid-area: chip; }
.kieu-ngang:not(.co-lon) .man-chuyen-may .cm-av .th-av { --av: 64px; }
/* Báo lượt (cùng máy, không giấu bài) */
.bao-luot { position: absolute; inset: 0; z-index: 38; display: grid; place-items: center; pointer-events: none; }
.bao-luot-the { display: flex; align-items: center; gap: 10px; padding: 10px 18px 10px 10px; border-radius: 999px; background: var(--mat); box-shadow: 0 0 0 3px var(--c), var(--bong-lon);
  font: 800 var(--co-5) var(--font); color: var(--chu); animation: th-bao-luot calc(1.3s * var(--tg, 1)) ease-out both; }
.bao-luot-the .th-av { --av: 40px; }
@keyframes th-bao-luot { 0% { opacity: 0; transform: scale(.85); } 15% { opacity: 1; transform: scale(1); } 80% { opacity: 1; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .bao-luot-the { animation-duration: .01s; animation-delay: 1s; } }

/* ---------- 19.6 Dải mất mạng ---------- */
.dai-mang { position: absolute; z-index: 45; left: calc(10px + var(--an-trai)); right: calc(10px + var(--an-phai)); top: calc(var(--cao-thanh-choi) + var(--an-tren) + 8px);
  display: flex; align-items: center; gap: 10px; padding: 8px 10px 8px 12px; border-radius: var(--bo-2); background: #fff4d6; border: 1px solid #f3dc9b; color: #7a4f00; box-shadow: var(--bong); }
.man.phong .dai-mang { top: calc(var(--cao-dau) + var(--an-tren) + 8px); }
.dai-mang-chu { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.dai-mang-chu b { font-size: var(--co-3); } .dai-mang-chu small { font-size: var(--co-1); }
.xoay-cho { width: 18px; height: 18px; border-radius: 50%; border: 3px solid rgba(122, 79, 0, .25); border-top-color: #7a4f00; flex: none; animation: th-xoay-cho 1s linear infinite; }
@keyframes th-xoay-cho { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .xoay-cho { animation: none; } }

/* ---------- 19.7 Phòng chờ ---------- */
.ma-qr { display: flex; align-items: center; gap: var(--k3); }
.ma-qr .ma-phong { flex: 1; min-width: 0; }
.ma-nut { display: flex; gap: 6px; flex-wrap: wrap; width: 100%; }
.qr-nho { flex: none; width: 92px; height: 92px; padding: 4px; border-radius: 10px; border: 1px solid var(--vien); background: #fff; cursor: zoom-in; }
.qr-nho svg, .qr-lon svg { width: 100%; height: 100%; display: block; }
.co-lon .qr-nho { width: 132px; height: 132px; }
.hop-qr { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.qr-lon { width: min(300px, 70vw, 50vh); aspect-ratio: 1; background: #fff; padding: 8px; border-radius: 12px; }
.qr-ma { font: 900 30px var(--font); letter-spacing: .2em; color: var(--chinh); }
.the-ghe-dau { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: space-between; }
.the-ghe-dau h3 { margin: 0; }
.luat-van { display: flex; gap: 6px; flex-wrap: wrap; }
.chip-luat { display: inline-flex; align-items: center; gap: 5px; height: 28px; padding: 0 10px; border-radius: 14px; border: 0; background: var(--mat-2); color: var(--chu);
  font: 700 var(--co-1) var(--font); white-space: nowrap; }
.chip-luat .th-ic svg { width: 14px; height: 14px; }
.chip-luat.doi-duoc { cursor: pointer; box-shadow: inset 0 0 0 1.5px var(--vien); position: relative; }
.chip-luat.doi-duoc::after { content: ''; position: absolute; inset: -8px -2px; }
.phong-than .the-ghe .ds-ghe { margin-top: var(--k2); }
.phong-than .ghe > div:not(.av) { flex: 1; }
.the-tt { display: block; font-size: var(--co-1); font-weight: 700; color: var(--chu-nhat); }
.the-tt.san { color: var(--la); } .the-tt.chu { color: var(--chinh); }
.ghe.trong.bam-duoc { cursor: pointer; }
.nut-moi-ra { margin-left: auto; }
.nut-phu { display: block; font-size: var(--co-1); font-weight: 600; opacity: .85; }
.th-nut:has(.nut-phu) { display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center; column-gap: 6px; row-gap: 0; line-height: 1.15; }
.kieu-ngang .phong-than { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
.kieu-ngang .phong-than .chat-phong { grid-column: 1; }
.kieu-ngang .phong-than .the-ghe { grid-column: 2; grid-row: 1 / span 2; }
.co-lon.kieu-ngang .phong-than { grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) minmax(0, 1fr); }
.co-lon.kieu-ngang .phong-than .the-ghe { grid-column: 2; grid-row: 1; }
.co-lon.kieu-ngang .phong-than .chat-phong { grid-column: 3; grid-row: 1; }
.co-lon .phong-than .ds-ghe { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* ---------- 19.7 Chat ---------- */
.khung-chat { display: flex; flex-direction: column; gap: 8px; min-height: 0; }
.khung-chat h3 { margin: 0; }
.chat-log { display: flex; flex-direction: column; gap: 6px; overflow-y: auto; min-height: 60px; max-height: 180px; overscroll-behavior: contain; padding-right: 2px; }
.co-lon .chat-log { max-height: 320px; }
.chat-trong { margin: auto; color: var(--chu-nhat); font-size: var(--co-2); }
.chat-tin { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; max-width: 85%; }
.chat-tin.toi { align-self: flex-end; align-items: flex-end; }
.chat-tin p { margin: 0; padding: 6px 10px; border-radius: 4px 12px 12px 12px; background: var(--mat-2); font-size: var(--co-3); overflow-wrap: anywhere; }
.chat-tin.toi p { background: var(--chinh); color: #fff; border-radius: 12px 4px 12px 12px; }
.chat-ten { border: 0; background: none; padding: 0 2px; font: 700 var(--co-1) var(--font); color: var(--chu-nhat); cursor: pointer; }
.chat-stk-1 svg { width: 40px; height: 40px; }
.chat-stk { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; padding: 2px 0; }
.chat-stk::-webkit-scrollbar { display: none; }
.chat-stk button { flex: none; width: 40px; height: 40px; border: 0; border-radius: 10px; background: transparent; padding: 3px; cursor: pointer; }
.chat-stk button:hover, .chat-stk button:focus-visible { background: var(--mat-2); }
.chat-stk svg { width: 100%; height: 100%; }
.chat-cau { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.chat-cau::-webkit-scrollbar { display: none; }
.chat-cau .chip { flex: none; height: 30px; border: 0; border-radius: 15px; padding: 0 12px; background: var(--hong-nhat); color: var(--chu); font: 600 var(--co-2) var(--font); cursor: pointer; }
.chat-nhap { display: flex; gap: 8px; align-items: center; }
.chat-nhap .th-o-nhap { flex: 1; min-width: 0; height: 40px; padding: .4em .8em; font-size: var(--co-3); }
/* Chat trong màn chơi: tấm trượt dưới (dọc), cột phải (ngang) */
.nut-chat { position: relative; }
.huy-chat { position: absolute; top: -5px; right: -5px; min-width: 17px; height: 17px; padding: 0 4px; border-radius: 9px; background: var(--do); color: #fff;
  font: 800 11px/17px var(--font); text-align: center; }
.huy-chat:empty { display: none; }
.tam-chat { position: absolute; z-index: 42; left: 0; right: 0; bottom: 0; max-height: 62%; display: flex; flex-direction: column; background: var(--mat);
  border-radius: var(--bo-3) var(--bo-3) 0 0; box-shadow: 0 -10px 30px rgba(42, 34, 48, .18); padding: 10px calc(12px + var(--an-phai)) calc(10px + var(--an-duoi)) calc(12px + var(--an-trai)); }
.tam-chat-dau { display: flex; align-items: center; gap: 8px; padding-bottom: 6px; }
.tam-chat-dau b { font-size: var(--co-4); } .tam-chat-dau small { flex: 1; min-width: 0; }
.tam-chat .khung-chat { background: none; border: 0; padding: 0; box-shadow: none; flex: 1; }
.tam-chat .chat-log { max-height: none; flex: 1; }
.kieu-ngang .tam-chat { left: auto; top: calc(var(--cao-thanh-choi) + var(--an-tren)); width: min(340px, 45%); max-height: none; border-radius: var(--bo-3) 0 0 0;
  box-shadow: -10px 0 30px rgba(42, 34, 48, .15); }
.bong-chat.bong-o-ghe { position: absolute; top: auto; bottom: 100%; left: 50%; transform: translateX(-50%); margin-bottom: 6px; z-index: 30; background: var(--mat); border-radius: 14px;
  padding: 4px 10px; box-shadow: var(--bong-lon); white-space: nowrap; font-size: var(--co-3); font-weight: 700; color: var(--chu); }
.bong-chat svg { width: 34px; height: 34px; display: block; }

/* ---------- 19.8 Chơi lại online ---------- */
.ds-dong-y { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin: 6px 0 2px; }
.ds-dong-y:empty { display: none; }
.chip-dong-y { display: inline-flex; align-items: center; gap: 4px; height: 26px; padding: 0 10px; border-radius: 13px; background: var(--mat-2); color: var(--chu-nhat); font: 700 var(--co-1) var(--font); }
.chip-dong-y.co { background: color-mix(in srgb, var(--la) 18%, var(--mat)); color: var(--la); }
.chip-dong-y svg { width: 13px; height: 13px; }
.nut-choi-lai-onl.da-bam { opacity: .75; }

/* Sửa sau rà soát ảnh: ảnh đại diện trong ghế phòng giữ đúng cỡ --av (khung .ghe .av cũ ép 44px làm lệch ảnh ghép),
   tên ghế xuống 2 dòng thay vì cắt, chip lượt ẩn hẳn khi chưa dùng. */
.ghe .av.th-av { width: var(--av); height: var(--av); }
.phong-than .ghe { gap: 8px; }
.phong-than .ghe b { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.2; overflow-wrap: anywhere; }
.phong-than .ghe small { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.kieu-doc:not(.co-lon) .phong-than .ghe .av.th-av { --av: 34px; }
.phong-than .nut-moi-ra { width: 34px; height: 34px; min-width: 34px; }
.chip-luot[hidden], .chip-mang[hidden] { display: none; }
.phong-than .nut-moi-ra { position: relative; }
.phong-than .nut-moi-ra::after { content: ''; position: absolute; inset: -5px; }

/* Ván online dở của chủ phòng (sảnh) và dải "Chủ phòng tạm rời" ở máy khách — HOP-DONG 19.6 */
.van-online { flex-wrap: nowrap; }
.van-online > div { min-width: 0; }
.van-online .vo-ic { flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--chinh) 14%, var(--mat)); color: var(--chinh); }
.van-online .vo-ic svg { width: 20px; height: 20px; }
.kieu-doc:not(.co-lon) .van-online { flex-wrap: wrap; }
.kieu-doc:not(.co-lon) .van-online > div { flex: 1 1 calc(100% - 50px); }
.dai-mang.cho-chu { background: color-mix(in srgb, var(--chinh) 12%, var(--mat)); border-color: var(--vien); color: var(--chu); }
.chip-luot .cl-ten { overflow: hidden; text-overflow: ellipsis; max-width: 9em; font-weight: 700; }
.chip-luot .cl-giay { font-weight: 800; }
.chip-luot .cl-ten:not(:empty) + .cl-giay::before { content: '· '; font-weight: 700; }
.kieu-doc:not(.co-lon) .chip-luot .cl-ten { display: none; }
.kieu-doc:not(.co-lon) .chip-luot .cl-giay::before { content: none; }