/* ═══════════════════════════════════════════════════════════════════════════
   css/ran.css — [Rắn Săn Chữ] Giao diện
   Game luôn dùng nền tối (sân chơi ban đêm) ⇒ một bộ màu duy nhất, khai báo
   thành biến ở :root — KHÔNG viết #hex rải rác trong luật.
   ═══════════════════════════════════════════════════════════════════════════ */
@font-face { font-family: 'Baloo 2'; font-weight: 400 800; font-display: swap; src: url(../fonts/baloo2-vi.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB; }
@font-face { font-family: 'Baloo 2'; font-weight: 400 800; font-display: swap; src: url(../fonts/baloo2-latinext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Baloo 2'; font-weight: 400 800; font-display: swap; src: url(../fonts/baloo2-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* [03/10] PHÔNG RIÊNG CHO PINYIN — Baloo 2 vẽ SAI dấu thanh: dấu ngang (ā ē ī ū) lệch hẳn sang phải chữ ("ba¯", "tia¯n"),
   dấu móc ǐ ǚ lệch (soi: _soi_pinyin.js). Nunito (OFL, tự phục vụ) vẽ đúng. Chỉ áp cho phần tử mang class .py. */
@font-face { font-family: 'Nunito Pinyin'; font-weight: 600 800; font-display: swap; src: url(../fonts/nunito-latinext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Nunito Pinyin'; font-weight: 600 800; font-display: swap; src: url(../fonts/nunito-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
.py { font-family: 'Nunito Pinyin', var(--font); font-weight: 800; }

:root {
  --nen-sau: #0d1236;
  --nen-san: #22357f;
  --luoi-san: rgba(255,255,255,0.045);
  --cham-san: rgba(255,255,255,0.09);
  /* Ngoài sân = biển mây hư không · viền sân = kết giới (lan can vàng + dải năng lượng ngọc) */
  --ngoai-san: #0a0c27;
  --may-ngoai: rgba(140,150,255,0.09);
  --sao-ngoai: rgba(200,210,255,0.35);
  --sao-sang: rgba(255,240,190,0.85);
  --vien-vang: #f2b52a;
  --vien-toi: #2b1356;
  --vien-sang: #fff1a8;
  --ket-gioi: #5ff3e0;
  --quang-vien: rgba(160,100,255,0.13);
  --mep-trong: rgba(255,80,140,0.2);

  --kinh: rgba(14,20,58,0.66);
  --kinh-dam: rgba(12,16,46,0.86);
  --kinh-vien: rgba(255,255,255,0.12);
  --kinh-sang: rgba(255,255,255,0.07);
  --chu: #ffffff;
  --chu-phu: rgba(226,232,255,0.74);
  --chu-mo: rgba(226,232,255,0.5);

  --vang: #ffd43f;
  --vang-2: #ffae00;
  --vang-bong: #c27800;
  --vang-chu: #3d2500;
  --ngoc: #2fe6a8;
  --ngoc-2: #12b47f;
  --ngoc-bong: #0a7a56;
  --do: #ff4d5e;
  --do-an: #e8332f;
  --cam: #ff9a3c;
  --hong: #ff6fa3;
  --tim: #9b7bff;
  --xanh: #4fc3ff;

  --kn-namcham: #ff5f7e;
  --kn-tocdo: #ffc83d;
  --kn-thiennhan: #4fd1ff;

  --hiem-thuong: #a9b4d6;
  --hiem-hiem: #4fc3ff;
  --hiem-suthi: #b07bff;
  --hiem-huyenthoai: #ffb52e;

  --bong-hop: 0 18px 50px rgba(0,0,0,0.45);
  --bo: 18px;
  --font: 'Baloo 2', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-han: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', 'SimHei', sans-serif;
  --an-tren: env(safe-area-inset-top, 0px);
  --an-duoi: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--nen-sau); color: var(--chu); font-family: var(--font); }
body { position: fixed; inset: 0; user-select: none; -webkit-user-select: none; touch-action: none; overscroll-behavior: none; }
button { font-family: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }
svg { width: 1em; height: 1em; fill: currentColor; stroke: currentColor; }

#cv { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }

.kinh { background: var(--kinh); border: 1px solid var(--kinh-vien); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
/* TRONG VÁN: bỏ kính mờ. backdrop-filter phải làm mờ lại phần sân bên dưới MỖI KHUNG (sân luôn chuyển động)
   ⇒ một trong những thứ đắt nhất với GPU điện thoại. Nền đặc hơn chút thay cho hiệu ứng mờ. */
#hud .kinh { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--kinh-dam); }

/* ─── NÚT ──────────────────────────────────────────────────────────────── */
.nut {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 16px; padding: 12px 22px; white-space: nowrap;
  font-weight: 800; font-size: 18px; letter-spacing: 0.02em; line-height: 1.1;
  color: var(--vang-chu); background: linear-gradient(180deg, var(--vang), var(--vang-2));
  box-shadow: 0 5px 0 var(--vang-bong), 0 10px 24px rgba(255,174,0,0.28), inset 0 2px 0 rgba(255,255,255,0.55);
  transition: transform .08s, box-shadow .08s, filter .15s;
}
.nut:hover { filter: brightness(1.06); }
.nut:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--vang-bong), 0 4px 12px rgba(255,174,0,0.2), inset 0 2px 0 rgba(255,255,255,0.55); }
.nut svg { font-size: 1.1em; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.nut-phu {
  color: var(--chu); background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.07));
  box-shadow: 0 4px 0 rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.2); border: 1px solid var(--kinh-vien);
}
.nut-phu:active { box-shadow: 0 0 0 rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.2); }
.nut-tron {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; font-size: 20px; color: var(--chu);
}
.nut-tron svg { stroke-width: 0; }
.nut-tron .song { fill: none; stroke-width: 2; }
.nut-tron.tat { color: var(--chu-mo); }
.nut-tron.tat .song { display: none; }
.nut-tron.tat::after { content: ''; position: absolute; width: 26px; height: 2.5px; background: var(--do); transform: rotate(-45deg); border-radius: 2px; }
.nut-tron { position: relative; }
#sanh-nhac svg { fill: none; stroke-width: 2; }
#sanh-nhac svg circle { fill: currentColor; }

/* ═══════════════════════════ SẢNH ═══════════════════════════ */
.man { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: calc(16px + var(--an-tren)) 16px calc(16px + var(--an-duoi)); overflow-y: auto; touch-action: pan-y; }
#sanh { background: radial-gradient(ellipse at 50% 50%, rgba(13,18,54,0.1), rgba(8,11,36,0.62) 80%); }
.sanh-goc { position: absolute; top: calc(14px + var(--an-tren)); right: 14px; display: flex; gap: 8px; }
/* [Chặng 2] Về Sảnh Trò Chơi (góc trái) + nút toàn màn hình (đang bật ⇒ sáng màu ngọc) */
.ve-sanh { position: absolute; top: calc(14px + var(--an-tren)); left: 14px; height: 42px; padding: 0 14px 0 8px; border-radius: 14px; display: inline-flex; align-items: center; gap: 4px;
  font-weight: 800; font-size: 15px; color: var(--chu); text-decoration: none; }
.ve-sanh svg { width: 22px; height: 22px; stroke: currentColor; }
.ve-sanh:focus-visible, .nut-toan-man:focus-visible { outline: 2px solid var(--ngoc); outline-offset: 2px; }
.nut-toan-man svg { stroke: currentColor; }
.nut-toan-man.dang { color: var(--ngoc); }
.nut-toan-man[hidden] { display: none; }
.sanh-the {
  width: min(440px, 100%); padding: 22px 22px 18px; border-radius: 26px;
  background: linear-gradient(180deg, rgba(28,38,100,0.82), rgba(14,19,58,0.88));
  border: 1px solid rgba(255,255,255,0.14); box-shadow: var(--bong-hop), inset 0 1px 0 rgba(255,255,255,0.12);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 14px; margin: auto 0;
}
body.cham .sanh-the { backdrop-filter: none; -webkit-backdrop-filter: none; background: linear-gradient(180deg, rgba(28,38,100,0.94), rgba(14,19,58,0.96)); }
.logo { position: relative; text-align: center; padding-top: 2px; }
.logo h1 { margin: 0; line-height: 0.92; font-weight: 800; }
.logo h1 span { display: block; }
.logo .l1 { font-size: 30px; color: var(--chu); letter-spacing: 0.02em; text-shadow: 0 3px 0 rgba(0,0,0,0.3); }
.logo .l2 {
  font-size: 52px; letter-spacing: 0.01em;
  background: linear-gradient(180deg, #fff6b8 0%, var(--vang) 45%, var(--cam) 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 4px 0 rgba(120,40,0,0.55));
}
.logo p { margin: 8px 0 0; font-size: 14px; color: var(--chu-phu); line-height: 1.35; }
.logo p b { color: var(--cam); }
.logo-an {
  position: absolute; left: 4px; top: 6px; width: 44px; padding: 5px 0; border-radius: 8px; transform: rotate(-8deg);
  background: var(--do-an); color: #fff; font-family: var(--font-han); font-weight: 900; font-size: 15px; line-height: 1.05; text-align: center;
  box-shadow: 0 3px 0 rgba(0,0,0,0.3); border: 2px solid rgba(255,255,255,0.35);
}

.xem-ran { display: flex; align-items: center; gap: 8px; }
.xem-ran-khung { flex: 1; min-width: 0; position: relative; height: 112px; border-radius: 18px; background: radial-gradient(ellipse at 50% 60%, rgba(79,195,255,0.18), rgba(0,0,0,0.12)); border: 1px solid var(--kinh-sang); overflow: hidden; }
#xem-ran { width: 100%; height: 100%; display: block; }
.xem-ran-ten { position: absolute; left: 0; right: 0; bottom: 6px; display: flex; justify-content: center; align-items: baseline; gap: 8px; font-weight: 800; font-size: 16px; text-shadow: 0 2px 0 rgba(0,0,0,0.4); }
.xem-ran-ten em { font-style: normal; font-size: 11px; font-weight: 800; padding: 1px 8px; border-radius: 99px; color: var(--nen-sau); background: var(--hiem-mau, var(--hiem-thuong)); text-shadow: none; text-transform: uppercase; letter-spacing: 0.05em; }
.mui { width: 38px; height: 54px; border-radius: 14px; border: 1px solid var(--kinh-vien); background: var(--kinh-sang); font-size: 30px; line-height: 1; font-weight: 800; flex: none; }
.mui:active { transform: scale(0.94); }



.nut-choi { font-size: 26px; padding: 16px 20px; border-radius: 20px; animation: nhip 2.2s ease-in-out infinite; }
@keyframes nhip { 0%,100% { transform: scale(1); } 50% { transform: scale(1.025); } }
.nut-choi:active { animation: none; }
.sanh-phu { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sanh-phu .nut { font-size: 15px; padding: 10px 6px; display: flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap; }
.sanh-phu .nut svg { flex: none; }
.ky-luc { text-align: center; font-size: 13px; color: var(--chu-phu); }
.ky-luc b { color: var(--vang); }
.sanh-chan { position: absolute; bottom: calc(10px + var(--an-duoi)); left: 0; right: 0; text-align: center; font-size: 12px; color: var(--chu-mo); pointer-events: none; }

/* ═══════════════════════════ HUD ═══════════════════════════ */
#hud { position: fixed; inset: 0; pointer-events: none; }
#hud button { pointer-events: auto; }
.hud-trai { position: absolute; left: 12px; top: calc(12px + var(--an-tren)); }
.hud-phai { position: absolute; right: 12px; top: calc(12px + var(--an-tren)); display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.hud-nut { display: flex; gap: 8px; }
.hud-giua { position: absolute; left: 50%; top: calc(12px + var(--an-tren)); transform: translateX(-50%); width: min(380px, calc(100vw - 2 * 232px)); display: flex; flex-direction: column; align-items: center; gap: 8px; }

.bxh { width: 210px; border-radius: 16px; padding: 10px 10px 8px; text-align: left; cursor: default; color: var(--chu); }
.bxh-dau { display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 800; color: var(--chu-mo); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.bxh-dau b { color: var(--vang); font-size: 14px; letter-spacing: 0; }
#bxh-ds { list-style: none; margin: 0; padding: 0; font-size: 13px; }
#bxh-ds li { display: grid; grid-template-columns: 18px 22px 1fr auto; align-items: center; gap: 6px; padding: 2px 4px; border-radius: 8px; line-height: 1.3; }
#bxh-ds li .h { color: var(--chu-mo); font-weight: 800; text-align: right; font-size: 12px; }
/* avatar: rắn máy = chữ cái đầu trên màu rắn; mình = avatar + khung tài khoản (Founder 03/10) */
#bxh-ds li .a { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 800; color: #fff; background: var(--m); text-shadow: 0 1px 2px rgba(0,0,0,0.7); box-shadow: inset 0 -2px 0 rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.25); }
#bxh-ds .xh-ava { width: 22px; height: 22px; }
#bxh-ds .xh-chu { width: 20px; height: 20px; font-size: 11px; }
#bxh-ds li .t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
#bxh-ds li .d { color: var(--chu-phu); font-variant-numeric: tabular-nums; font-size: 12px; }
#bxh-ds li.toi { background: linear-gradient(90deg, rgba(255,212,63,0.28), rgba(255,212,63,0.06)); }
#bxh-ds li.toi .t { color: var(--vang); font-weight: 800; }
#bxh-ds li.cach { display: block; height: 6px; padding: 0; }
#bxh-ds li:nth-child(1) .h { color: var(--vang); }
#bxh-ds li:nth-child(2) .h { color: #dfe6ff; }
#bxh-ds li:nth-child(3) .h { color: var(--cam); }

/* Thẻ nhiệm vụ */
.nv { width: 100%; border-radius: 18px; padding: 8px 12px 10px; text-align: center; border-top: 2px solid rgba(255,212,63,0.55); box-shadow: 0 10px 30px rgba(0,0,0,0.3); transition: transform .2s; }
.nv.rung { animation: rungNhe .35s; }
@keyframes rungNhe { 25% { transform: translateX(-6px); } 50% { transform: translateX(5px); } 75% { transform: translateX(-3px); } }
.nv.xong { animation: noNhe .5s; }
@keyframes noNhe { 40% { transform: scale(1.07); } }
.nv-hang { display: flex; align-items: center; gap: 8px; }
.nv-an { flex: none; width: 24px; height: 24px; border-radius: 6px; display: grid; place-items: center; background: var(--do-an); color: #fff; font: 900 15px var(--font-han); transform: rotate(-6deg); box-shadow: 0 2px 0 rgba(0,0,0,0.3); }
.nv-nhan { flex: 1; text-align: left; font-size: 12px; font-weight: 800; color: var(--chu-mo); text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nv-giay { font-weight: 800; font-size: 18px; font-variant-numeric: tabular-nums; color: var(--ngoc); min-width: 42px; text-align: right; }
.nv-de { font-size: 30px; font-weight: 800; line-height: 1.15; margin: 2px 0 6px; text-shadow: 0 3px 0 rgba(0,0,0,0.3); word-break: break-word; }
.nv-de .py { color: var(--ngoc); }
.nv-de button.nghe { pointer-events: auto; display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 99px; padding: 4px 16px 4px 12px; font: 800 18px var(--font); color: var(--vang-chu); background: linear-gradient(180deg, var(--vang), var(--vang-2)); box-shadow: 0 3px 0 var(--vang-bong); }
.nv-de button.nghe svg { stroke-width: 0; }
.nv-o { display: flex; justify-content: center; gap: 8px; margin: -2px 0 6px; }
.nv-o .o { width: 52px; border-radius: 12px; padding: 4px 0 3px; background: rgba(0,0,0,0.25); border: 2px dashed rgba(255,255,255,0.25); display: flex; flex-direction: column; align-items: center; }
.nv-o .o b { font: 900 26px/1.15 var(--font-han); }
.nv-o .o small { font-size: 12px; color: var(--chu-mo); line-height: 1.1; }
.nv-o .o.co { border: 2px solid var(--ngoc); background: rgba(47,230,168,0.18); }
.nv-o .o.dang { border-color: var(--vang); }
.nv-thanh { height: 8px; border-radius: 99px; background: rgba(255,255,255,0.12); overflow: hidden; }
.nv-thanh i { display: block; height: 100%; width: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--ngoc-2), var(--ngoc)); transform-origin: left; transition: background .3s; }
.nv.gap .nv-giay { color: var(--cam); }
.nv.gap .nv-thanh i { background: linear-gradient(90deg, var(--cam), var(--vang)); }
.nv.nguy .nv-giay { color: var(--do); animation: chop .5s steps(2) infinite; }
.nv.nguy .nv-thanh i { background: linear-gradient(90deg, var(--do), var(--cam)); }
@keyframes chop { 50% { opacity: 0.45; } }

/* Thông báo */
#thong-bao { display: flex; flex-direction: column; align-items: center; gap: 6px; width: 100%; }
.tb { max-width: 100%; padding: 7px 14px; border-radius: 14px; font-size: 15px; font-weight: 700; line-height: 1.3; text-align: center; background: var(--kinh-dam); border: 1px solid var(--kinh-vien); box-shadow: 0 8px 24px rgba(0,0,0,0.3); animation: tbVao .25s ease-out; }
.tb .han { font: 900 20px var(--font-han); vertical-align: -2px; margin: 0 2px; }
.tb.ok { border-color: rgba(47,230,168,0.6); background: linear-gradient(180deg, rgba(15,90,70,0.92), rgba(10,50,45,0.92)); }
.tb.loi { border-color: rgba(255,77,94,0.6); background: linear-gradient(180deg, rgba(110,20,40,0.92), rgba(60,12,30,0.92)); }
.tb.canh { border-color: rgba(255,154,60,0.6); background: linear-gradient(180deg, rgba(110,55,10,0.92), rgba(60,28,8,0.92)); }
.tb.di { animation: tbRa .3s ease-in forwards; }
@keyframes tbVao { from { opacity: 0; transform: translateY(-8px) scale(0.96); } }
@keyframes tbRa { to { opacity: 0; transform: translateY(-6px); } }

/* Điểm + radar */
.diem { border-radius: 16px; padding: 6px 12px; display: flex; gap: 14px; position: relative; }
.diem div { display: flex; flex-direction: column; align-items: flex-end; }
.diem small { font-size: 11px; color: var(--chu-mo); font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; line-height: 1; }
.diem b { font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.1; }
.diem div:first-child b { color: var(--vang); }
.combo { position: absolute; right: calc(100% + 6px); top: 50%; transform: translateY(-50%) rotate(-6deg); white-space: nowrap; /* bên trái ô điểm — bản cũ đè lên chữ "Điểm" */ padding: 1px 9px; border-radius: 99px; font-size: 13px; font-weight: 800; color: var(--vang-chu); background: linear-gradient(180deg, var(--vang), var(--cam)); box-shadow: 0 2px 0 var(--vang-bong); animation: popCombo .35s; }
@keyframes popCombo { from { scale: 0.5; } 70% { scale: 1.15; } }
.radar-khung { position: relative; width: 150px; height: 150px; border-radius: 50%; padding: 3px; background: linear-gradient(160deg, rgba(255,255,255,0.35), rgba(255,255,255,0.05)); box-shadow: 0 10px 28px rgba(0,0,0,0.4); }
#radar { width: 100%; height: 100%; border-radius: 50%; display: block; }
.radar-nhan { position: absolute; left: 50%; bottom: -8px; transform: translateX(-50%); font-size: 11px; font-weight: 800; padding: 0 8px; border-radius: 99px; background: var(--kinh-dam); border: 1px solid var(--kinh-vien); color: var(--chu-phu); text-transform: uppercase; letter-spacing: 0.08em; }

/* Mũi tên chỉ cụm chữ ở mép màn */
.mui-ten { position: absolute; left: 0; top: 0; width: 0; height: 0; }
.mui-ten i { position: absolute; left: -22px; top: -22px; width: 44px; height: 44px; transform: rotate(var(--goc, 0rad)); }
.mui-ten i::before { content: ''; position: absolute; inset: 6px; background: var(--vang); clip-path: polygon(100% 50%, 15% 8%, 35% 50%, 15% 92%); filter: drop-shadow(0 0 6px rgba(255,212,63,0.8)); }
.mui-ten span { position: absolute; left: 50%; top: 22px; transform: translateX(-50%); white-space: nowrap; font-size: 13px; font-weight: 800; padding: 0 8px; border-radius: 99px; background: var(--kinh-dam); color: var(--vang); border: 1px solid rgba(255,212,63,0.4); }

/* Kỹ năng */
.ky-nang { position: absolute; left: 50%; bottom: calc(16px + var(--an-duoi)); transform: translateX(-50%); display: flex; gap: 12px; }
.kn {
  --p: 0; position: relative; width: 64px; height: 64px; border-radius: 50%; border: 0; display: grid; place-items: center; font-size: 28px; color: #fff;
  background: radial-gradient(circle at 40% 30%, color-mix(in srgb, var(--mau) 70%, white), var(--mau) 55%, color-mix(in srgb, var(--mau) 60%, black));
  box-shadow: 0 4px 0 color-mix(in srgb, var(--mau) 45%, black), 0 8px 20px rgba(0,0,0,0.35), inset 0 2px 0 rgba(255,255,255,0.45);
  transition: transform .08s, filter .2s;
}
.kn svg { fill: #fff; stroke: #fff; stroke-width: 0; filter: drop-shadow(0 2px 0 rgba(0,0,0,0.25)); }
.kn[data-kn="namcham"] svg { fill: none; stroke-width: 3.4; }
.kn:active { transform: translateY(3px); }
.kn.het { filter: grayscale(0.85) brightness(0.65); }
.kn.chay::before { content: ''; position: absolute; inset: -5px; border-radius: 50%; background: conic-gradient(var(--chu) calc(var(--p) * 1turn), transparent 0); -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 4px)); mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 4px)); }
.kn.chay { animation: knSang 1s ease-in-out infinite; }
@keyframes knSang { 50% { filter: brightness(1.25); } }
.kn-so { position: absolute; right: -4px; top: -4px; min-width: 22px; height: 22px; padding: 0 5px; border-radius: 99px; font-size: 13px; line-height: 22px; background: var(--nen-sau); border: 2px solid #fff; font-weight: 800; }
.kn-ten { position: absolute; left: 50%; bottom: -16px; transform: translateX(-50%); font-size: 11px; font-weight: 800; white-space: nowrap; color: var(--chu-phu); text-shadow: 0 1px 2px rgba(0,0,0,0.8); }
.kn-phim { position: absolute; left: -2px; top: -2px; width: 18px; height: 18px; border-radius: 5px; font-size: 11px; line-height: 18px; font-weight: 800; background: rgba(0,0,0,0.45); color: var(--chu-phu); }

.nut-tang-toc {
  position: absolute; right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(22px + var(--an-duoi)); width: 86px; height: 86px; border-radius: 50%; border: 0;
  display: none; flex-direction: column; align-items: center; justify-content: center; gap: 0; font-size: 34px; color: #fff;
  background: radial-gradient(circle at 40% 30%, #ff9ab8, var(--hong) 55%, #c23a6c); box-shadow: 0 5px 0 #8e2450, 0 10px 24px rgba(0,0,0,0.35), inset 0 2px 0 rgba(255,255,255,0.45);
  touch-action: none;
}
.nut-tang-toc svg { fill: none; stroke: #fff; }
.nut-tang-toc span { font-size: 12px; font-weight: 800; margin-top: -2px; }
.nut-tang-toc.dang { transform: translateY(4px) scale(0.97); box-shadow: 0 1px 0 #8e2450, 0 4px 14px rgba(255,111,163,0.6), inset 0 2px 0 rgba(255,255,255,0.45); }
.goi-y-pc { position: absolute; right: 16px; bottom: calc(14px + var(--an-duoi)); font-size: 12px; color: var(--chu-mo); background: rgba(0,0,0,0.25); padding: 4px 10px; border-radius: 99px; }
.goi-y-pc b { color: var(--chu-phu); }
body.cham .nut-tang-toc { display: flex; }
body.cham .goi-y-pc { display: none; }
body.cham .kn-phim { display: none; }

/* ═══════════════════════════ LỚP PHỦ / HỘP ═══════════════════════════ */
.lop { position: fixed; inset: 0; display: grid; place-items: center; padding: calc(16px + var(--an-tren)) 16px calc(16px + var(--an-duoi)); background: rgba(6,9,30,0.62); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); z-index: 10; overflow-y: auto; touch-action: pan-y; animation: lopVao .2s ease-out; }
@keyframes lopVao { from { opacity: 0; } }
.hop { width: min(420px, 100%); border-radius: 24px; padding: 22px; background: linear-gradient(180deg, rgba(30,40,104,0.96), rgba(15,20,60,0.97)); border: 1px solid rgba(255,255,255,0.14); box-shadow: var(--bong-hop), inset 0 1px 0 rgba(255,255,255,0.12); display: flex; flex-direction: column; gap: 12px; animation: hopVao .28s cubic-bezier(.2,1.4,.4,1); }
@keyframes hopVao { from { transform: translateY(14px) scale(0.96); opacity: 0; } }
.hop h2 { margin: 0; font-size: 28px; font-weight: 800; text-align: center; line-height: 1.1; }
.hop h3 { margin: 4px 0 0; font-size: 15px; font-weight: 800; color: var(--chu-phu); text-transform: uppercase; letter-spacing: 0.06em; }
.hop h3 span { color: var(--ngoc); text-transform: none; letter-spacing: 0; }
.mo { margin: 0; text-align: center; color: var(--chu-phu); font-size: 15px; line-height: 1.35; }
.hop-nho .nut { width: 100%; }

.hop-ket { width: min(480px, 100%); }
.ket-dau { text-align: center; position: relative; }
.ky-luc-moi { display: inline-block; margin-top: 6px; padding: 2px 12px; border-radius: 99px; font-weight: 800; font-size: 14px; color: var(--vang-chu); background: linear-gradient(180deg, var(--vang), var(--cam)); animation: popCombo .4s; }
.ket-so { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.ket-so div { background: rgba(0,0,0,0.22); border: 1px solid var(--kinh-sang); border-radius: 14px; padding: 8px 4px; text-align: center; }
.ket-so small { display: block; font-size: 11px; color: var(--chu-mo); font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; }
.ket-so b { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
.ket-so div:first-child b { color: var(--vang); }
.ket-chu { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 8px; max-height: 36vh; overflow-y: auto; padding: 2px; }
.the-chu { border-radius: 14px; padding: 8px 6px 6px; text-align: center; background: rgba(0,0,0,0.22); border: 1px solid var(--kinh-sang); position: relative; }
.the-chu b { display: block; font: 900 32px/1.1 var(--font-han); }
.the-chu i { display: block; font-style: normal; color: var(--ngoc); font-size: 14px; font-weight: 700; }
.the-chu small { display: block; font-size: 12px; color: var(--chu-phu); line-height: 1.2; }
.the-chu em { position: absolute; top: 4px; right: 6px; font-style: normal; font-size: 10px; font-weight: 800; padding: 0 6px; border-radius: 99px; }
.the-chu.dung { border-color: rgba(47,230,168,0.45); }
.the-chu.dung em { background: var(--ngoc); color: var(--nen-sau); }
.the-chu.nhu { border-color: rgba(255,77,94,0.45); }
.the-chu.nhu em { background: var(--do); color: #fff; }
.the-chu.hetgio { border-color: rgba(255,154,60,0.5); }
.the-chu.hetgio em { background: var(--cam); color: var(--nen-sau); }
.ket-trong { grid-column: 1 / -1; text-align: center; color: var(--chu-mo); font-size: 14px; padding: 10px; }
.ket-nut { display: grid; grid-template-columns: 1.4fr 1fr; gap: 10px; }

.hop-hd { width: min(460px, 100%); }
.hd-buoc { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.hd-buoc li { display: flex; gap: 12px; align-items: center; background: rgba(0,0,0,0.2); border: 1px solid var(--kinh-sang); border-radius: 16px; padding: 10px 12px; }
.hd-buoc li > img, .hd-ngoc, .hd-no { flex: none; width: 52px; height: 52px; }
.hd-buoc b { display: block; font-size: 16px; font-weight: 800; }
.hd-buoc span { display: block; font-size: 13.5px; line-height: 1.35; color: var(--chu-phu); }
.hd-buoc i { color: var(--vang); font-style: normal; font-weight: 700; }
.hd-ngoc { border-radius: 50%; display: grid; place-items: center; font: 900 26px var(--font-han); color: #fff; background: radial-gradient(circle at 40% 30%, #b9ffe9, var(--ngoc-2) 55%, #075c47); border: 3px solid var(--vang); text-shadow: 0 2px 0 #063f31; }
.hd-no { border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 14px; color: #fff; background: radial-gradient(circle, var(--vang) 0, var(--cam) 45%, var(--do) 75%); box-shadow: 0 0 18px rgba(255,120,60,0.6); transform: rotate(-8deg); }

/* Tủ Rắn */
.hop-rong { width: min(980px, 100%); max-height: calc(100dvh - 32px); padding: 16px; }
.hop-dau { display: flex; align-items: center; gap: 14px; }
.hop-dau h2 { text-align: left; }
.the-tab { display: flex; gap: 4px; background: rgba(0,0,0,0.25); border-radius: 14px; padding: 4px; }
.the-tab button { border: 0; background: none; padding: 7px 14px; border-radius: 10px; font-weight: 800; font-size: 15px; color: var(--chu-phu); white-space: nowrap; }
.the-tab [aria-selected="true"] { background: linear-gradient(180deg, var(--vang), var(--vang-2)); color: var(--vang-chu); box-shadow: 0 2px 0 var(--vang-bong); }
.dong { margin-left: auto; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--kinh-vien); background: var(--kinh-sang); font-size: 18px; font-weight: 800; flex: none; }
.tab-than { overflow-y: auto; min-height: 0; flex: 1; padding: 2px; }
.luoi-skin { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.the-skin { border-radius: 18px; padding: 8px 8px 10px; background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(0,0,0,0.15)); border: 1px solid var(--kinh-sang); display: flex; flex-direction: column; gap: 6px; position: relative; text-align: left; transition: transform .12s, border-color .12s; }
.the-skin:hover { transform: translateY(-2px); }
.the-skin::before { content: ''; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(ellipse at 50% 30%, color-mix(in srgb, var(--hiem-mau) 28%, transparent), transparent 70%); pointer-events: none; }
.the-skin canvas { width: 100%; height: 86px; display: block; border-radius: 12px; background: rgba(0,0,0,0.18); }
.the-skin .ts-ten { font-weight: 800; font-size: 16px; line-height: 1.1; }
.the-skin .ts-hang { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.the-skin .ts-hiem { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; color: var(--hiem-mau); }
.the-skin .ts-gia { font-size: 13px; font-weight: 700; color: var(--chu-phu); }
/* [04/10] Giá = VIÊN LINH THẠCH xanh lá (cùng ảnh với số dư đầu Tủ + Hồ Sơ + Nạp Tiền — Founder yêu cầu thống nhất), bỏ ◆ xanh dương */
.the-skin .ts-gia { display: inline-flex; align-items: center; gap: 3px; }
.the-skin .ts-gia::before { content: ''; width: 14px; height: 14px; background: url('../images/anh_du_an_ytt/linhthach1.webp') center / contain no-repeat; }
.the-skin.dang-dung { border-color: var(--vang); box-shadow: 0 0 0 1px var(--vang) inset; }
.the-skin .ts-nut { margin-top: 2px; padding: 7px; font-size: 14px; border-radius: 12px; }
/* [Chặng 2] skin trả phí: vẫn xem trước được, nút khoá (cửa hàng Linh Thạch: Chặng 4) */
.the-skin.khoa .ts-ten::after { content: ' 🔒'; font-size: 13px; }
.the-skin .ts-khoa, .the-skin .ts-khoa:active { cursor: default; transform: none; color: var(--chu-phu); background: rgba(255,255,255,0.08); box-shadow: none; border: 1px dashed var(--kinh-vien); }
/* [Chặng 4] Cửa hàng: nút Mua (vàng) · bước xác nhận (nháy cam) · số dư + nút Admin ở đầu Tủ · ô sửa giá/tên · dòng báo kết quả */
.the-skin .ts-mua { background: linear-gradient(180deg, var(--vang), var(--vang-2)); color: var(--vang-chu); box-shadow: 0 3px 0 var(--vang-bong); }
.the-skin .ts-mua.xac { background: linear-gradient(180deg, #ffb35c, var(--cam)); animation: popCombo .3s; }
.tu-vi { display: inline-flex; align-items: center; gap: 5px; margin-left: auto; padding: 4px 12px 4px 8px; border-radius: 99px; background: rgba(0,0,0,0.3); border: 1px solid var(--kinh-sang); font-weight: 800; font-variant-numeric: tabular-nums; color: var(--vang); }
.tu-vi[hidden], .tu-admin[hidden], .tu-tin[hidden] { display: none; }
.tu-vi img { width: 20px; height: 20px; object-fit: contain; }
.tu-admin { padding: 6px 12px; font-size: 13px; white-space: nowrap; }
.tu-vi[hidden] + .tu-admin { margin-left: auto; }
.tu-vi:not([hidden]) ~ .dong, .tu-admin:not([hidden]) ~ .dong { margin-left: 0; }   /* đã có phần tử đẩy phải ⇒ nút đóng đứng sát bên */   /* chưa có số dư (khách) ⇒ nút Admin tự đẩy sang phải */
.tu-tin { margin: 0 0 10px; padding: 8px 12px; border-radius: 12px; font-size: 14px; }
.tu-tin.ok { color: var(--ngoc); background: rgba(47,230,168,0.12); border: 1px solid rgba(47,230,168,0.35); }
.tu-tin.loi { color: #ffb3bb; background: rgba(255,77,94,0.12); border: 1px solid rgba(255,77,94,0.35); }
.ts-sua { display: grid; grid-template-columns: 1fr auto; gap: 5px; }
.ts-sua .ts-a-ten { grid-column: 1 / -1; }   /* tên trọn một hàng (điện thoại: ô hẹp từng cắt "Thanh X…") · hàng dưới: giá + Lưu */
.ts-sua input { min-width: 0; box-sizing: border-box; padding: 6px 8px; border-radius: 10px; border: 1px solid var(--kinh-vien); background: rgba(0,0,0,0.35); color: inherit; font: inherit; font-size: 13px; }
.ts-sua .ts-nut { margin-top: 0; padding: 6px 12px; }
.xh-xoa { flex: none; margin-left: auto; padding: 1px 8px; border-radius: 99px; border: 1px solid rgba(255,77,94,0.5); background: rgba(255,77,94,0.12); color: #ffb3bb; font: inherit; font-size: 11px; font-weight: 800; cursor: pointer; }
.xh-xoa.xac { background: var(--do); color: #fff; }
.the-skin.dang-dung .ts-nut { background: linear-gradient(180deg, var(--ngoc), var(--ngoc-2)); box-shadow: 0 3px 0 var(--ngoc-bong); color: var(--nen-sau); }

input[type=range] { accent-color: var(--vang); width: 100%; }
#tu .hop-rong { display: flex; flex-direction: column; }

/* ═══════════════════════════ ĐIỆN THOẠI / MÀN HẸP ═══════════════════════════ */
@media (max-width: 860px) {
  .hud-giua { width: min(360px, calc(100vw - 2 * 128px)); }
  .bxh { width: 112px; padding: 8px; }
  .bxh-dau span { display: none; }
  .bxh-dau { margin-bottom: 0; justify-content: center; }
  .bxh-dau b { font-size: 16px; }
  .bxh-dau::before { content: 'Hạng'; margin-right: 6px; }
  #bxh-ds { display: none; }
  .bxh.mo { width: 190px; }
  .bxh.mo #bxh-ds { display: block; margin-top: 4px; }
  .radar-khung { width: 108px; height: 108px; }
  .diem { padding: 5px 10px; gap: 10px; }
  .diem b { font-size: 17px; }
}
@media (max-width: 560px) {
  /* Dọc điện thoại: thẻ nhiệm vụ chiếm trọn hàng dưới thanh trên cùng */
  .hud-giua { top: calc(62px + var(--an-tren)); width: calc(100vw - 24px - 96px - 10px); left: 12px; transform: none; align-items: stretch; }
  .hud-phai { gap: 6px; }
  .hud-nut .nut-tron { width: 38px; height: 38px; font-size: 18px; }
  .diem { flex-direction: column; gap: 0; padding: 4px 9px; }
  .diem div { flex-direction: row; align-items: baseline; gap: 6px; justify-content: space-between; }
  .diem b { font-size: 15px; }
  .radar-khung { width: 96px; height: 96px; }
  .bxh { width: 96px; }
  .bxh.mo { width: 180px; }
  .nv { padding: 6px 10px 8px; }
  .nv-de { font-size: 24px; margin: 0 0 4px; }
  .nv-o .o { width: 46px; }
  .nv-o .o b { font-size: 22px; }
  .tb { font-size: 13.5px; padding: 6px 10px; }
  .ky-nang { left: 16px; transform: none; gap: 10px; bottom: calc(26px + var(--an-duoi)); }
  .kn { width: 54px; height: 54px; font-size: 24px; }
  .kn-ten { display: none; }
  .nut-tang-toc { width: 78px; height: 78px; }
  .combo { right: 4px; top: auto; bottom: -14px; transform: rotate(-6deg); }
  .sanh-the { padding: 18px 16px 16px; gap: 12px; }
  .logo .l1 { font-size: 26px; }
  .logo .l2 { font-size: 44px; }
  .logo-an { width: 38px; font-size: 13px; }
  .xem-ran-khung { height: 96px; }
  .nut-choi { font-size: 23px; padding: 14px; }
  .ket-so { grid-template-columns: repeat(2, 1fr); }
  .ket-so b { font-size: 20px; }
  .ket-nut { grid-template-columns: 1fr; }
  .hop { padding: 18px 16px; }
  .hop-rong { padding: 12px; }
  .hop-dau { flex-wrap: wrap; gap: 8px; }
  .hop-dau h2 { font-size: 24px; }
  .the-tab { order: 3; width: 100%; }
  .the-tab button { flex: 1; }
  .luoi-skin { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .the-skin canvas { height: 64px; }
  .the-skin .ts-ten { font-size: 14px; }
}
/* Điện thoại xoay ngang: thấp ⇒ thu gọn chiều cao */
@media (max-height: 500px) {
  .hud-giua { top: calc(8px + var(--an-tren)); width: min(330px, calc(100vw - 2 * 140px)); left: 50%; transform: translateX(-50%); }
  .nv { padding: 4px 10px 6px; }
  .nv-de { font-size: 20px; margin: 0 0 3px; }
  .radar-khung { width: 84px; height: 84px; }
  .hud-phai { flex-direction: column; }
  .diem { flex-direction: column; gap: 0; padding: 3px 8px; }
  .diem div { flex-direction: row; align-items: baseline; gap: 6px; }
  .diem b { font-size: 14px; }
  .kn { width: 50px; height: 50px; font-size: 22px; }
  .kn-ten { display: none; }
  .ky-nang { bottom: calc(10px + var(--an-duoi)); }
  .nut-tang-toc { width: 72px; height: 72px; bottom: 14px; }
  .sanh-the { flex-direction: row; flex-wrap: wrap; width: min(760px, 100%); padding: 14px; gap: 10px; }
  .sanh-the .logo { width: 100%; }
  .logo .l1 { font-size: 20px; } .logo .l2 { font-size: 34px; } .logo p { display: none; }
  .logo-an { display: none; }
  .sanh-the > .xem-ran { width: calc(50% - 5px); }
  .sanh-the > .tai-khoan { width: calc(50% - 5px); }
  .sanh-the > .de-tron, .sanh-the > .nut-choi, .sanh-the > .sanh-phu { width: 100%; }
  .xem-ran-khung { height: 72px; }
  .nut-choi { padding: 10px; font-size: 21px; }
  .lop { place-items: start center; }
  /* Sảnh khi xoay ngang: chừa cột phải cho nút âm thanh, bỏ dòng chân trang */
  #sanh { padding-right: 70px; }
  .sanh-goc { flex-direction: column; top: calc(10px + var(--an-tren)); right: 12px; }
  .sanh-chan { display: none; }
  .sanh-the { width: min(640px, 100%); }
}
@media (prefers-reduced-motion: reduce) { .nut-choi { animation: none; } }

.bxh-dau i { font-style: normal; color: var(--chu-phu); }


/* ═══════════════════ Vòng 4 (02/10): tài khoản · đề trộn · bảng tin · bảng xếp hạng sảnh ═══════════════════ */
/* Thẻ tài khoản (thay ô nhập tên) */
.tai-khoan { display: flex; align-items: center; gap: 10px; background: rgba(0,0,0,0.22); border: 1px solid var(--kinh-vien); border-radius: 14px; padding: 8px 12px; }
.tk-ava { width: 38px; height: 38px; border-radius: 50%; flex: none; display: grid; place-items: center; font-weight: 800; font-size: 19px; color: var(--vang-chu); background: linear-gradient(160deg, var(--vang), var(--cam)); box-shadow: 0 2px 0 var(--vang-bong); }
.tk-chu { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.15; }
.tk-chu small { font-size: 12px; color: var(--chu-mo); font-weight: 700; }
.tk-chu b { font-size: 19px; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tk-nguon { flex: none; font-size: 11px; font-weight: 800; padding: 2px 9px; border-radius: 99px; white-space: nowrap; color: var(--ngoc); background: rgba(47,230,168,0.14); border: 1px solid rgba(47,230,168,0.4); }
/* [Chặng 2] có ảnh tài khoản: bỏ nền vàng của ô chữ cái; khung avatar được tràn ra ngoài ô */
.tk-ava.co-anh { width: 56px; height: 56px; margin: -9px -4px -9px -6px; background: none; box-shadow: none; overflow: visible; }   /* ô = NGOÀI khung; margin âm ⇒ ô tài khoản không cao thêm */
.tk-ava.co-anh .xh-ava { width: auto; height: auto; }
.tai-khoan.khach .tk-ava { background: var(--kinh-sang); color: var(--chu-phu); box-shadow: none; border: 1px solid var(--kinh-vien); }
.tai-khoan.khach .tk-nguon { color: var(--chu-mo); background: var(--kinh-sang); border-color: var(--kinh-vien); }

/* Ba kiểu đề trộn ngẫu nhiên — nhãn dùng chung ở sảnh và trên thẻ nhiệm vụ */
.de-tron { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; font-size: 13px; font-weight: 700; color: var(--chu-mo); }
.de-tron > span { margin-right: 2px; }
.kd { font-style: normal; font-size: 12.5px; font-weight: 800; padding: 2px 9px; border-radius: 99px; white-space: nowrap; border: 1px solid transparent; }
.kd-nghia { color: var(--vang); background: rgba(255,212,63,0.15); border-color: rgba(255,212,63,0.42); }
.kd-pinyin { color: var(--ngoc); background: rgba(47,230,168,0.13); border-color: rgba(47,230,168,0.42); }
.kd-nghe { color: var(--xanh); background: rgba(79,195,255,0.15); border-color: rgba(79,195,255,0.45); }
.nv-kieu { flex: none; font-size: 13px; padding: 1px 9px; }
.nv-kieu:empty { display: none; }
.nv-de button.nghe.dang-doc svg { animation: loaDoc 1s ease-in-out infinite; }
@keyframes loaDoc { 50% { transform: scale(1.28); } }

/* Bảng tin trong ván: vào sân · hạ gục · tự nổ (cột trái, dưới bảng hạng) */
.hud-trai { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.ban-tin { list-style: none; margin: 0; padding: 0; width: 250px; display: flex; flex-direction: column; gap: 4px; pointer-events: none; }
.ban-tin li { max-width: 100%; align-self: flex-start; font-size: 13px; font-weight: 600; line-height: 1.35; color: var(--chu-phu); padding: 3px 10px 3px 8px; border-radius: 10px; background: rgba(8,12,36,0.72); border-left: 3px solid var(--kinh-vien); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; animation: tbVao .25s ease-out; }
.ban-tin li.vao { border-left-color: var(--ngoc); }
.ban-tin li.roi { color: var(--chu-mo); }
.ban-tin li.toi { border-left-color: var(--vang); background: rgba(74,52,6,0.82); }
.ban-tin li.di { animation: tbRa .4s ease-in forwards; }
.bt-ten { font-weight: 800; color: color-mix(in srgb, var(--m, #ffffff) 55%, white); }
.bt-ten.toi { color: var(--vang); }
.bt-ha { font-style: normal; color: var(--do); margin: 0 2px; }
.bt-san { font-style: normal; font-weight: 800; color: var(--xanh); }

/* Bảng xếp hạng ở sảnh */
.hop-xh { width: min(540px, 100%); max-height: calc(100dvh - 32px); }
#xh-may, #xh-server { min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; }
.xh-ghi { margin: 0 0 8px; font-size: 12.5px; color: var(--chu-mo); }
/* Hàng: hạng · avatar + khung · (tên / loại rắn) · điểm — Founder 03/10 */
.xh-ava { width: 44px; height: 44px; display: grid; place-items: center; position: relative; flex: none; }
.xh-ava > img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.xh-chu { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 17px; color: var(--nen-sau); background: linear-gradient(160deg, var(--ngoc), var(--vang)); }
.xh-chu[hidden] { display: none; }
.xh-ai { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.xh-ai b { font-size: 16px; font-weight: 800; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xh-ran { display: flex; align-items: center; gap: 6px; min-width: 0; font-size: 12.5px; color: var(--chu-phu); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.xh-ran canvas { width: 56px; height: 22px; flex: none; display: block; }
.xh-ran-cu { color: var(--chu-mo); font-style: italic; }
.xh-ds { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.xh-ds li { display: grid; grid-template-columns: 34px 44px 1fr auto; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 14px; background: rgba(0,0,0,0.22); border: 1px solid var(--kinh-sang); }
.xh-ds li.top1 { border-color: rgba(255,212,63,0.6); background: linear-gradient(90deg, rgba(255,212,63,0.2), rgba(0,0,0,0.2)); }
.xh-ds li.top2 { border-color: rgba(223,230,255,0.4); }
.xh-ds li.top3 { border-color: rgba(255,154,60,0.45); }
.xh-h { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 15px; font-weight: 800; color: var(--chu-mo); background: var(--kinh-sang); }
/* Huy hiệu tự vẽ (emoji huy chương mỗi máy một kiểu — máy thử ra hạng 1 màu ĐỒNG) */
.top1 .xh-h { color: var(--vang-chu); background: linear-gradient(160deg, #fff3a6, var(--vang) 45%, var(--vang-2)); box-shadow: 0 2px 0 var(--vang-bong); }
.top2 .xh-h { color: var(--nen-sau); background: linear-gradient(160deg, #ffffff, #c9d3ec); box-shadow: 0 2px 0 #7d88a8; }
.top3 .xh-h { color: var(--vang-chu); background: linear-gradient(160deg, #ffd0a0, var(--cam)); box-shadow: 0 2px 0 #a3561a; }
.xh-d { white-space: nowrap; }
.xh-d b { font-size: 20px; font-weight: 800; color: var(--vang); font-variant-numeric: tabular-nums; }
.xh-d small { font-size: 11px; color: var(--chu-mo); margin-left: 4px; }
.xh-trong, .xh-sap { text-align: center; padding: 26px 12px; color: var(--chu-phu); font-size: 14.5px; line-height: 1.45; }
.xh-sap b { display: inline-block; padding: 2px 12px; border-radius: 99px; color: var(--vang); background: rgba(255,212,63,0.12); border: 1px solid rgba(255,212,63,0.4); }
.xh-sap p { margin: 10px 0 0; }
/* [Chặng 3] Bảng TOÀN SERVER: dòng của mình · nhãn "bạn" · huy hiệu mùa (tự vẽ — emoji mỗi máy một kiểu) · trạng thái gửi điểm */
/* 3 tab (Tuần này · Mọi thời đại · Trên máy này) ⇒ hàng tab xuống dòng riêng ở MỌI khổ (máy tính từng bẻ tiêu đề thành 3 dòng) */
.hop-xh .hop-dau { flex-wrap: wrap; }
.hop-xh .hop-dau h2 { flex: 1; white-space: nowrap; }
.hop-xh .the-tab { order: 3; width: 100%; }
.hop-xh .the-tab button { flex: 1; }
.xh-ds li.toi { border-color: rgba(47,230,168,0.55); box-shadow: inset 0 0 0 1px rgba(47,230,168,0.25); }
/* Tên co lại bằng "…" nhưng nhãn + huy hiệu luôn hiện: "…" đặt trên SPAN chữ (đặt trên khung flex thì không áp — R42 ④) */
.xh-ai b.xh-dong { display: flex; align-items: center; gap: 5px; min-width: 0; }
.xh-ten { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.xh-ban { flex: none; font-style: normal; font-size: 11px; font-weight: 800; padding: 1px 7px; border-radius: 99px; color: var(--nen-sau); background: var(--ngoc); }
.xh-hh { flex: none; display: inline-flex; align-items: center; gap: 2px; height: 18px; min-width: 18px; padding: 0 5px; box-sizing: border-box; justify-content: center;
  border-radius: 99px; font-size: 11px; font-weight: 800; font-style: normal; line-height: 1; }
.xh-hh svg { width: 10px; height: 10px; flex: none; }
.hh-vang { color: var(--vang-chu); background: linear-gradient(160deg, #fff3a6, var(--vang) 45%, var(--vang-2)); }
.hh-bac { color: var(--nen-sau); background: linear-gradient(160deg, #ffffff, #c9d3ec); }
.hh-dong { color: var(--vang-chu); background: linear-gradient(160deg, #ffd0a0, var(--cam)); }
.xh-toi { margin: 6px 0 0; text-align: center; color: var(--chu-phu); }
.ket-bxh { margin: 8px auto 0; max-width: 440px; padding: 7px 14px; border-radius: 12px; font-size: 14px; line-height: 1.4; }
.ket-bxh[hidden] { display: none; }
.ket-bxh.cho { color: var(--chu-phu); background: rgba(0,0,0,0.22); }
.ket-bxh.ok { color: var(--ngoc); background: rgba(47,230,168,0.12); border: 1px solid rgba(47,230,168,0.35); }
.ket-bxh.ok b { color: var(--vang); }
.ket-bxh.loi { color: #ffb3bb; background: rgba(255,77,94,0.12); border: 1px solid rgba(255,77,94,0.35); }

@media (max-width: 560px) {
  /* Dọc: bảng tin xuống góc dưới trái, trên hàng kỹ năng (phía trên là thẻ nhiệm vụ) */
  .ban-tin { position: fixed; left: 12px; bottom: calc(92px + var(--an-duoi)); width: min(66vw, 260px); }
  /* Thẻ nhiệm vụ hẹp: nhãn màu kiểu đề đã nói đủ ⇒ bỏ dòng chữ nhãn (nó bị cắt thành "NGHE …") */
  .nv-nhan:has(+ .nv-kieu:not(:empty)) { display: none; }
  .nv-kieu { margin-right: auto; }
  /* Sảnh: chữ "Đề ngẫu nhiên" một hàng riêng, 3 nhãn một hàng — không gãy lệch */
  .de-tron > span { width: 100%; text-align: center; margin: 0; }
  .kd { font-size: 12px; }
  .ban-tin li { font-size: 12px; padding: 2px 8px 2px 7px; }
  .sanh-phu .nut { font-size: 14px; padding: 9px 4px; gap: 4px; }
  .xh-ds li { grid-template-columns: 26px 44px 1fr auto; gap: 8px; padding: 8px 10px; }
  .xh-d b { font-size: 17px; }
  .xh-d small { display: none; }
}
@media (max-height: 500px) {
  .ban-tin { width: 210px; }
  .ban-tin li { font-size: 12px; }
}

/* ─── VÙNG CUỘN KHÔNG THANH CUỘN (Founder 03/10: bỏ thanh cuộn dọc ở Tủ Rắn / Bảng xếp hạng) ───────────────
   Vẫn cuộn bằng con lăn chuột / vuốt. Thanh cuộn ẩn thì phải có DẤU HIỆU còn nội dung: mép mờ dần ở phía còn chỗ
   cuộn (lớp .cuon-tren / .cuon-duoi do ran-ui.js gắn theo vị trí cuộn — hết chỗ cuộn thì không mờ, hàng cuối rõ nét). */
.tab-than, #xh-may, #xh-server, .ket-chu { scrollbar-width: none; -ms-overflow-style: none; }
.tab-than::-webkit-scrollbar, #xh-may::-webkit-scrollbar, #xh-server::-webkit-scrollbar, .ket-chu::-webkit-scrollbar { display: none; }
.cuon-duoi { -webkit-mask-image: linear-gradient(to bottom, #000 calc(100% - 44px), transparent); mask-image: linear-gradient(to bottom, #000 calc(100% - 44px), transparent); }
.cuon-tren { -webkit-mask-image: linear-gradient(to top, #000 calc(100% - 44px), transparent); mask-image: linear-gradient(to top, #000 calc(100% - 44px), transparent); }
.cuon-tren.cuon-duoi { -webkit-mask-image: linear-gradient(to bottom, transparent, #000 44px, #000 calc(100% - 44px), transparent); mask-image: linear-gradient(to bottom, transparent, #000 44px, #000 calc(100% - 44px), transparent); }