/* GoQuest — giao diện người chơi */
:root{--brand:#0f9488;--brand-d:#0b766d;--accent:#f97316;--ink:#1f2933;--muted:#6b7785;--bg:#f2f6f7;--ok:#16a34a;--bad:#dc2626;--mid:#d97706;--card:#fff;--line:#e3e8ee}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none !important}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overscroll-behavior-y:none}
a{color:inherit}
.app{min-height:100%;display:flex;flex-direction:column}
.boot{flex:1;display:grid;place-items:center;align-content:center;gap:8px;min-height:100vh;background:linear-gradient(160deg,#0f2a33,#0f9488);color:#fff;font-weight:800;font-size:1.4rem}
.boot p{margin:0}

/* ---------- Màn hình chung ---------- */
.screen{flex:1;padding:24px 16px calc(24px + env(safe-area-inset-bottom));max-width:480px;width:100%;margin:0 auto;position:relative}
.screen.center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;min-height:100vh}
.logo{width:84px;height:84px}.logo.sm{width:56px;height:56px}
.brand{margin:0;font-size:2rem;color:var(--brand-d)}
.ev-name{margin:0;font-size:1.4rem}
.card{background:var(--card);border-radius:20px;padding:18px;box-shadow:0 2px 12px rgba(16,24,40,.08);width:100%}
.form label{display:block;text-align:left;font-weight:700;margin-bottom:10px}
input,textarea{display:block;width:100%;margin-top:6px;padding:.75rem .9rem;border:2px solid #d5dde5;border-radius:14px;font:inherit;background:#fff;color:var(--ink)}
input:focus,textarea:focus{outline:none;border-color:var(--brand)}
.big-input{font-size:1.25rem;font-weight:700;text-align:center}
.pin-input,.code-input{letter-spacing:.35em;text-transform:uppercase}
.hint{color:var(--muted);font-size:.9rem;margin:.3rem 0}
.tiny{color:var(--muted);font-size:.78rem;margin:.6rem 0 0}
.err{color:var(--bad);font-weight:600;margin:.4rem 0}
.warn{background:#fff7ed;color:#9a3412;border-radius:12px;padding:.6rem .8rem;font-weight:600;margin:.4rem 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:0;border-radius:14px;padding:.8rem 1.1rem;font:inherit;font-weight:700;background:#e8eef2;color:var(--ink);cursor:pointer;text-decoration:none}
.btn.primary{background:var(--brand);color:#fff;box-shadow:0 4px 0 var(--brand-d)}
.btn.primary:active{transform:translateY(2px);box-shadow:0 2px 0 var(--brand-d)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn.block{width:100%}.btn.big{font-size:1.15rem;padding:1rem}
.btn.small{padding:.45rem .8rem;font-size:.9rem}
.link{background:none;border:0;color:var(--brand-d);font:inherit;font-weight:600;text-decoration:underline;padding:.6rem;cursor:pointer}
.row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;width:100%}
.row input{flex:1;min-width:0;margin:0}
.lang-btn{position:absolute;top:calc(12px + env(safe-area-inset-top));right:12px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.3rem .7rem;font:inherit;font-size:.85rem;font-weight:700;cursor:pointer}
.tabs{display:flex;background:#e3eaee;border-radius:14px;padding:4px;width:100%}
.tabs button{flex:1;border:0;background:none;padding:.6rem;border-radius:10px;font:inherit;font-weight:700;color:var(--muted);cursor:pointer}
.tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.pin-big{font-size:3.4rem;font-weight:900;letter-spacing:.25em;color:var(--brand-d);font-family:ui-monospace,Menlo,monospace;margin:.3rem 0}
.team-photo{width:140px;height:140px;border-radius:50%;object-fit:cover;border:5px solid #fff;box-shadow:0 6px 20px rgba(0,0,0,.15)}
.team-avatar{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font-size:2.6rem;font-weight:900}

/* ---------- Ảnh đội ---------- */
.photo-screen h2{margin:0}
.cam{position:relative;width:min(88vw,380px);aspect-ratio:1;border-radius:24px;overflow:hidden;background:#111}
.cam video,.cam canvas{width:100%;height:100%;object-fit:cover;display:block}
.cam video.mirror{transform:scaleX(-1)}
.cam .count{position:absolute;inset:0;display:grid;place-items:center;font-size:6rem;font-weight:900;color:#fff;text-shadow:0 4px 20px rgba(0,0,0,.5)}

/* ---------- Phòng chờ ---------- */
.lobby .pulse{width:18px;height:18px;border-radius:50%;background:var(--accent);animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(249,115,22,.6)}100%{box-shadow:0 0 0 26px rgba(249,115,22,0)}}

/* ---------- Khung game ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:calc(8px + env(safe-area-inset-top)) 12px 8px;background:#0f2a33;color:#fff}
.topbar .back{font-size:1.5rem;text-decoration:none;width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:rgba(255,255,255,.1)}
.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid #fff;flex:none}
.avatar.ph{display:grid;place-items:center;background:var(--accent);font-weight:900}
.tb-title{flex:1;min-width:0;line-height:1.15}
.tb-title b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-title small{opacity:.7;font-size:.75rem}
.tb-right{text-align:right;line-height:1.15}
.score{display:block;font-weight:900;color:#fde68a}
.timer{font-variant-numeric:tabular-nums;font-size:.85rem;opacity:.9}
.timer.hot{color:#fca5a5;opacity:1;font-weight:800}
.banner{background:var(--accent);color:#fff;text-align:center;font-weight:800;padding:.45rem}
/* Quyền camera / micro */
.perm-bar{background:#fef3c7;color:#92400e;text-align:center;font-weight:700;font-size:.88rem;padding:.4rem .8rem}
.perm-bar button{margin-left:.4rem;border:0;border-radius:999px;background:#d97706;color:#fff;font:inherit;font-weight:800;padding:.25rem .8rem;cursor:pointer}
.perm-card{width:100%;max-width:340px;margin:14px auto 4px;border:2px solid #f59e0b;background:#fffbeb;border-radius:16px;padding:.8rem .9rem;text-align:left}
.perm-card b{display:block;margin-bottom:.2rem}
.perm-card p{margin:.2rem 0 .6rem;font-size:.92rem}
.perm-card.bad{border-color:var(--bad);background:#fef2f2}
.perm-card .perm-how{font-weight:600}
.perm-ok{color:var(--ok);font-weight:700;margin:10px 0 0}
.perm-card .row{display:flex;gap:8px;flex-wrap:wrap}
.perm-card .perm-how{line-height:1.5}
#perm-modal{z-index:90} /* nằm trên màn quay video */
#perm-modal .perm-card{margin:0;max-width:none}
.main{flex:1;padding:14px 12px 90px;max-width:640px;width:100%;margin:0 auto}
.cat-main{background:center/cover no-repeat;max-width:none}
.cat-main .grid{max-width:640px;margin:0 auto}
/* Máy tính bảng nằm ngang là màn hình chuẩn: lưới rộng hơn, nhiều cột hơn */
@media (min-width:900px){.main{max-width:1080px}.cat-main .grid{max-width:1080px}.grid{grid-template-columns:repeat(6,1fr);gap:16px}.task-main,.chat-main{max-width:760px}}
.bottombar{position:fixed;left:0;right:0;bottom:0;display:flex;align-items:center;gap:10px;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-top:1px solid var(--line);z-index:20}
.bottombar button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:.35rem .8rem;font:inherit;font-weight:700;cursor:pointer}
.bottombar .lang-btn{position:static}
.bottombar .tiny{margin:0 0 0 auto}
.empty{text-align:center;color:var(--muted);padding:40px 0}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (min-width:520px){.grid{grid-template-columns:repeat(4,1fr)}}
.tile{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 6px 8px;background:rgba(255,255,255,.94);border-radius:18px;text-decoration:none;text-align:center;font-weight:700;font-size:.82rem;line-height:1.2;box-shadow:0 2px 10px rgba(16,24,40,.1)}
.tile img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:14px}
.tile .prog{font-style:normal;font-size:.72rem;color:var(--muted);font-weight:600}
.tile.done img{filter:saturate(.6)}
.tile .tk{position:absolute;top:4px;right:4px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--ok);color:#fff;font-size:.95rem;box-shadow:0 2px 6px rgba(0,0,0,.25)}
.tile .tk.pend{background:var(--mid)}.tile .tk.lock{background:#334155}
.tile.all-done{outline:3px solid var(--ok)}

/* ---------- Bản đồ ---------- */
.map-main{padding:0;max-width:none}
/* Khung bản đồ: JS (fitMap) đặt chiều cao = phần màn hình còn lại và cỡ ảnh để phủ kín, mở ở giữa ảnh */
.map-stage{position:relative;width:100%;overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;background:#0f2a33;scrollbar-width:none}
.map-stage::-webkit-scrollbar{display:none}
.map{position:relative;flex:none}
.map-bg{display:block;width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none}
.map-hint{position:fixed;left:50%;bottom:calc(64px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:24;margin:0;background:rgba(15,42,51,.8);color:#fff;font-weight:700;font-size:.85rem;padding:.4rem .9rem;border-radius:999px;pointer-events:none;white-space:nowrap;animation:hintfade 4s forwards}
@keyframes hintfade{0%,70%{opacity:1}100%{opacity:0}}
.mi{position:absolute;transform:translate(-50%,-50%);text-decoration:none;text-align:center}
.mi img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:22%;border:3px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.35);animation:bob 3s ease-in-out infinite}
.mi:nth-child(2n) img{animation-delay:-1.5s}
@keyframes bob{50%{transform:translateY(-4px)}}
.mi span{position:absolute;left:50%;top:100%;transform:translateX(-50%);margin-top:3px;white-space:nowrap;background:rgba(17,24,39,.85);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}
.mbadge{position:absolute;top:-8px;right:-8px;min-width:24px;height:24px;padding:0 5px;border-radius:12px;display:grid;place-items:center;background:#334155;color:#fff;font-size:.7rem;border:2px solid #fff}
.mbadge.ok{background:var(--ok)}.mbadge.lock{background:#334155}
/* Đã làm xong (khu: mọi thử thách; thử thách: đã chấm) → viền xanh + dấu ✔ */
.mbadge.big{top:-12px;right:-12px;min-width:34px;height:34px;border-radius:50%;font-size:1.05rem;border-width:3px;box-shadow:0 2px 8px rgba(0,0,0,.35)}
.mi.done img{border-color:var(--ok);box-shadow:0 0 0 3px rgba(22,163,74,.55),0 3px 10px rgba(0,0,0,.35)}

/* ---------- Nhiệm vụ ---------- */
.task-main{display:flex;flex-direction:column;gap:14px}
.task-head{display:flex;gap:12px;align-items:center}
.task-head img{width:76px;height:76px;border-radius:18px;object-fit:cover;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.task-head h2{margin:0;font-size:1.25rem;line-height:1.2}
.pts{display:inline-block;margin-top:4px;background:#fef3c7;color:#92400e;border-radius:999px;padding:.1rem .6rem;font-weight:800;font-size:.85rem}
.prompt{font-size:1.1rem;margin:0;background:#fff;border-radius:16px;padding:14px;box-shadow:0 1px 6px rgba(0,0,0,.05)}
.prompt-media{width:100%;border-radius:16px;display:block}
.audio-box{background:#fff;border-radius:16px;padding:12px;display:grid;gap:8px;font-weight:700}
.audio-box audio{width:100%}
.answer{display:grid;gap:10px}
.answer textarea{font-size:1.1rem}
.choice{display:flex;gap:10px;align-items:center;background:#fff;border:2px solid #d5dde5;border-radius:16px;padding:.85rem 1rem;font-weight:600;cursor:pointer}
.choice input{width:22px;height:22px;margin:0;flex:none;accent-color:var(--brand)}
.choice.on{border-color:var(--brand);background:#f0fdfa}
.lockcard{text-align:center}
.lock-ico{font-size:3rem}
.lockcard h3{margin:.2rem 0}
.note{background:#eff6ff;color:#1e3a8a;font-weight:600}
.result{text-align:center}
.result .r-ico{width:76px;height:76px;border-radius:50%;margin:0 auto 6px;display:grid;place-items:center;font-size:2.4rem;color:#fff;background:var(--muted)}
.result.ok .r-ico{background:var(--ok)}.result.bad .r-ico{background:var(--bad)}.result.mid .r-ico{background:var(--mid)}.result.info .r-ico{background:#3b82f6}
.result h3{margin:.2rem 0;font-size:1.4rem}
.result.ok h3{color:var(--ok)}.result.bad h3{color:var(--bad)}.result.mid h3{color:var(--mid)}
.r-pts{display:inline-block;background:#fef3c7;color:#92400e;font-weight:900;font-size:1.3rem;border-radius:999px;padding:.2rem 1rem;margin:.3rem 0}

.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:grid;place-items:center;padding:20px;z-index:50;animation:fade .2s}
.modal-box{width:100%;max-width:400px;display:grid;gap:12px;animation:pop .3s cubic-bezier(.2,1.4,.4,1)}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{transform:scale(.7);opacity:0}}
.toast{position:fixed;left:50%;bottom:calc(76px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#111827;color:#fff;padding:.7rem 1.1rem;border-radius:14px;font-weight:600;font-size:.92rem;z-index:60;max-width:90vw;text-align:center;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:55;overflow:hidden}
.confetti i{position:absolute;top:-20px;width:10px;height:16px;border-radius:2px;animation:fall 1.8s ease-in forwards}
@keyframes fall{to{top:110vh;transform:rotate(720deg)}}

/* ---------- Ảnh / video / ghi âm (v0.4) ---------- */
.media-answer label.btn{cursor:pointer}
.rec-overlay{position:fixed;inset:0;z-index:70;background:#0b1220;color:#fff;display:flex;flex-direction:column;padding:calc(10px + env(safe-area-inset-top)) 12px calc(14px + env(safe-area-inset-bottom))}
.rec-top{display:flex;align-items:center;gap:10px}
.rec-top b{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rec-x{width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.12);color:#fff;font-size:1.1rem}
.rec-stage{position:relative;flex:1;display:grid;place-items:center;margin:10px 0;border-radius:18px;overflow:hidden;background:#000;min-height:0}
.rec-stage video{width:100%;height:100%;object-fit:contain}
.rec-stage video.mirror{transform:scaleX(-1)}
.rec-stage.audio{background:radial-gradient(circle at 50% 40%,#1e3a5f,#0b1220)}
.rec-stage audio{position:absolute;bottom:20px;width:85%}
.mic-ico{font-size:5rem;width:150px;height:150px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08)}
.mic-ico.live{animation:micpulse 1s infinite}
@keyframes micpulse{0%{box-shadow:0 0 0 0 rgba(239,68,68,.6)}100%{box-shadow:0 0 0 40px rgba(239,68,68,0)}}
.rec-time{position:absolute;top:12px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.6);padding:.25rem .8rem;border-radius:999px;font-weight:800;font-variant-numeric:tabular-nums}
.rotate{position:absolute;inset:0;display:grid;place-items:center;text-align:center;background:rgba(11,18,32,.88);font-size:1.2rem;font-weight:700;padding:20px;line-height:1.6}
.rec-actions{display:flex;align-items:center;justify-content:center;gap:16px;min-height:84px}
.rec-actions .btn{min-width:120px}
.rec-btn{width:76px;height:76px;border-radius:50%;border:5px solid #fff;background:#ef4444;cursor:pointer;transition:border-radius .2s}
.rec-btn.on{border-radius:22px;background:#ef4444;animation:micpulse 1s infinite}
.rec-btn[disabled]{opacity:.35}
.rec-overlay .err{color:#fca5a5;text-align:center}
.bar{height:12px;background:#e5e7eb;border-radius:999px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--brand);transition:width .3s}
.scan .rec-stage video{object-fit:cover}
.scan-frame{position:absolute;width:62%;aspect-ratio:1;border:4px solid #fff;border-radius:24px;box-shadow:0 0 0 2000px rgba(0,0,0,.45)}
@media (orientation:landscape) and (max-height:500px){
  .rec-overlay{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr auto;column-gap:12px;padding:8px 12px}
  .rec-top{grid-column:1/-1}
  .rec-stage{grid-column:1;grid-row:2;margin:6px 0;height:100%}
  .rec-actions{grid-column:2;grid-row:2;flex-direction:column;min-height:0;justify-content:center;gap:12px}
  .rec-actions .btn{min-width:110px}
  .rec-overlay .err{grid-column:1/-1;grid-row:3;margin:0}
}

/* ---------- Chat, xếp hạng, thông báo (v0.5) ---------- */
.fbtn{position:relative;text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:.3rem .7rem;font-size:1.05rem}
.fbtn .dot{position:absolute;top:-2px;right:-2px;width:11px;height:11px;border-radius:50%;background:var(--bad);border:2px solid #fff}
.tabs a{flex:1;text-align:center;padding:.6rem;border-radius:10px;font-weight:700;color:var(--muted);text-decoration:none}
.tabs a.on{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.chat-main{display:flex;flex-direction:column;gap:10px;padding-bottom:140px}
.chat-list{display:flex;flex-direction:column;gap:8px}
.cmsg{max-width:82%;display:flex;flex-direction:column}
.cmsg small{color:var(--muted);font-size:.72rem;margin:0 .4rem .1rem}
.cmsg .cb{background:#fff;border-radius:16px;padding:.55rem .85rem;box-shadow:0 1px 4px rgba(0,0,0,.06);white-space:pre-wrap;word-break:break-word}
.cmsg.me{align-self:flex-end;align-items:flex-end}
.cmsg.me .cb{background:var(--brand);color:#fff}
.cmsg.admin .cb{background:#fff7ed;border:1px solid #fed7aa}
.cmsg.an{max-width:100%;align-self:stretch}
.cmsg.an .cb{background:#fef3c7;border:1px solid #fde68a;font-weight:600}
.chat-form{position:fixed;left:0;right:0;bottom:calc(52px + env(safe-area-inset-bottom));display:flex;gap:8px;padding:8px 12px;background:rgba(242,246,247,.97);border-top:1px solid var(--line);z-index:19}
.chat-form input{margin:0;flex:1}
.peer{display:flex;align-items:center;gap:10px;background:#fff;border-radius:14px;padding:.6rem .8rem;text-decoration:none;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.peer img,.peer .ph{width:40px;height:40px;border-radius:50%;object-fit:cover}
.peer .ph,.rk-row .ph{display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:900}
.peer em{margin-left:auto;font-style:normal;background:var(--bad);color:#fff;border-radius:999px;padding:0 .5rem;font-size:.8rem}
.rank{display:flex;flex-direction:column;gap:8px}
.rk-row{display:flex;align-items:center;gap:10px;background:#fff;border-radius:14px;padding:.55rem .8rem;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.rk-row .rk{width:28px;text-align:center;font-weight:900;color:var(--muted)}
.rk-row img,.rk-row .ph{width:38px;height:38px;border-radius:50%;object-fit:cover}
.rk-row b{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rk-row .pt{font-weight:900;color:var(--brand-d)}
.rk-row.me{outline:3px solid var(--accent)}
.rk-row.top1 .rk{color:#ca8a04}.rk-row.top2 .rk{color:#64748b}.rk-row.top3 .rk{color:#b45309}
.announce{text-align:center}
.an-ico{font-size:2.6rem}
.announce h3{margin:.2rem 0}
.announce p{font-size:1.15rem;font-weight:600}

.bottombar .lang-btn,.bottombar button,.fbtn{white-space:nowrap}
.bottombar{gap:8px}

/* v0.6 — xem lại sau sự kiện */
.screen.review{max-width:560px;margin:0 auto;padding:16px 14px 40px;display:block}
.rv-top{text-align:center;display:flex;flex-direction:column;align-items:center}
.rv-top h1{margin:.5rem 0 0}
.team-photo.ph{display:grid;place-items:center;background:var(--brand);color:#fff;font-size:3rem;font-weight:900}
.rv-stats{display:flex;gap:10px;width:100%;margin:.8rem 0}
.rv-stats div{flex:1;background:var(--card);border-radius:16px;padding:.7rem .3rem;box-shadow:0 2px 10px rgba(16,24,40,.07)}
.rv-stats b{display:block;font-size:1.7rem;color:var(--brand-d)}
.rv-stats span{font-size:.78rem;color:var(--muted)}
.rv-title{font-size:1.05rem;margin:1.2rem 0 .5rem}
.rv-item{background:var(--card);border-radius:16px;padding:12px 14px;margin:0 0 10px;box-shadow:0 2px 10px rgba(16,24,40,.07)}
.rv-head{display:flex;align-items:center;gap:8px}
.rv-head span{flex:1;min-width:0}
.rv-head small{display:block;color:var(--muted);font-size:.75rem}
.rv-head b{display:block;font-size:.98rem}
.rv-head strong{font-size:1.2rem;color:var(--brand-d);white-space:nowrap}
.rv-head strong small{font-size:.75rem;color:var(--muted);font-weight:600}
.rv-badge{font-style:normal;font-size:.72rem;font-weight:800;padding:.15rem .5rem;border-radius:999px;background:#e2e8f0;color:#334155;white-space:nowrap}
.rv-badge.correct{background:#dcfce7;color:#166534}.rv-badge.wrong{background:#fee2e2;color:#991b1b}
.rv-badge.partial{background:#fef3c7;color:#92400e}.rv-badge.received{background:#dbeafe;color:#1e40af}.rv-badge.wait{background:#f1f5f9;color:#64748b}
.rv-answer{margin:.5rem 0 0;padding:.5rem .7rem;background:#f8fafc;border-radius:10px;white-space:pre-wrap;word-break:break-word}
.rv-media{margin-top:.6rem;display:flex;flex-direction:column;gap:.4rem;align-items:flex-start}
.rv-media img,.rv-media video{width:100%;max-height:60vh;object-fit:contain;border-radius:12px;background:#000}
.rv-media audio{width:100%}
.rv-foot{display:flex;flex-direction:column;align-items:center;gap:.6rem;margin-top:1rem}

/* v0.6 — tạm dừng */
.pause-ov{position:fixed;inset:0;z-index:900;background:rgba(15,23,42,.88);display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}
.pause-box{background:#fff;border-radius:24px;padding:26px 22px;text-align:center;max-width:360px;width:100%}
.pause-ico{font-size:3rem;line-height:1}
.pause-box h2{margin:.3rem 0;font-size:1.6rem}
.pause-time{font-size:2.6rem;font-weight:900;font-variant-numeric:tabular-nums;color:var(--muted)}
.pause-msg{background:#fff7ed;color:#9a3412;border-radius:12px;padding:.6rem .8rem;font-weight:700;font-size:1.1rem}
#timer.paused{opacity:.7}

/* v0.7.1 — trả lời lại */
.tile .tk.retry{background:#f59e0b}
.retry-card{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .8rem;justify-content:space-between;background:#fff7ed;border-left:4px solid #f59e0b;margin-bottom:12px}
.retry-card.partial{border-left-color:var(--mid)}
.retry-card span{color:#9a3412;font-weight:700}
.hint.tries{color:#9a3412;font-weight:600}
.tries-left{font-weight:800;color:#9a3412;margin:.4rem 0 0}
.tries-left small{font-weight:600;color:var(--muted)}
.modal-box .btn.block+.btn.block{margin-top:8px}

/* v0.7.2 — nút tròn nổi thay thanh dưới, toàn màn hình */
.fab-bar{position:fixed;right:calc(10px + env(safe-area-inset-right));bottom:calc(10px + env(safe-area-inset-bottom));z-index:25;display:flex;gap:8px;align-items:center}
.fab{position:relative;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:0;background:rgba(15,42,51,.72);color:#fff;font:inherit;font-size:1.15rem;line-height:1;text-decoration:none;cursor:pointer;box-shadow:0 3px 10px rgba(0,0,0,.3);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.fab.lang-fab{font-size:.8rem;font-weight:800;letter-spacing:.02em}
.fab .dot{position:absolute;top:0;right:0;width:11px;height:11px;border-radius:50%;background:var(--bad);border:2px solid #fff}
.fab:active{transform:scale(.94)}
.main{padding-bottom:calc(66px + env(safe-area-inset-bottom))}
.map-main{padding:0 0 env(safe-area-inset-bottom)}
.fs-card{display:block;width:100%;max-width:340px;margin:14px auto 4px;border:2px dashed var(--brand);background:#ecfdf5;color:var(--brand-d);border-radius:16px;padding:.7rem .9rem;font:inherit;font-weight:700;cursor:pointer;text-align:left}
.fs-card b{display:block;margin-top:.25rem;color:var(--brand)}
.fs-guide h3{margin:0 0 .6rem;text-align:center}
.fs-steps{list-style:none;padding:0;margin:0 0 .6rem;counter-reset:s}
.fs-steps li{display:flex;align-items:center;gap:.7rem;padding:.55rem 0;border-bottom:1px solid var(--line);font-weight:600;counter-increment:s}
.fs-steps li::before{content:counter(s);flex:none;width:24px;height:24px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:.8rem}
.fs-ico{flex:none;width:38px;height:38px;border-radius:10px;background:#f1f5f9;display:grid;place-items:center;color:#2563eb;font-size:1.3rem}
.fs-ico img{width:30px;height:30px;border-radius:7px}
.ios-share{width:22px;height:22px}
.fs-guide .btn.block+.btn.block{margin-top:8px}
.fs-guide{background:#fff;border-radius:20px;padding:18px;gap:0}

/* v0.7.3 — YouTube minh hoạ */
.yt-frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#000;margin:0 0 12px;box-shadow:0 2px 12px rgba(16,24,40,.12)}
.yt-frame.vertical{width:min(100%,320px);aspect-ratio:9/16;margin-left:auto;margin-right:auto}
.yt-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Lời dẫn của khu (v0.12.2) */
.zone-story{margin:0 auto 12px;max-width:640px;background:rgba(255,255,255,.94);color:#0f2a33;border-radius:14px;box-shadow:0 4px 14px rgba(0,0,0,.18);font-size:.95rem}
.zone-story summary{cursor:pointer;padding:9px 14px;font-weight:700;list-style:none}
.zone-story summary::-webkit-details-marker{display:none}
.zone-story p{margin:0;padding:0 14px 12px;line-height:1.5}
.map-main{position:relative}
.map-main .zone-story{position:absolute;z-index:5;top:10px;left:10px;right:auto;max-width:min(440px,calc(100% - 20px));margin:0}
.map-main .zone-story:not([open]){opacity:.92}
/* Đội đã vào trên máy này (bấm để vào lại) */
.saved-team{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 8px;width:100%;margin:10px 0 2px;padding:12px 14px;border:2px dashed var(--brand);border-radius:14px;background:#ecfdf5;color:var(--ink);font:inherit;font-size:.95rem;cursor:pointer;text-align:center}
.saved-team .saved-pin{font-weight:800;font-size:1.25rem;letter-spacing:.2em;color:var(--brand-d)}
.saved-team small{flex-basis:100%;color:var(--brand-d);font-weight:700}
/* Quét mã QR vào chơi (màn nhập mã) */
.scan-join{font-size:1.1rem;padding:.9rem}
.or-line{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.85rem;margin:.9rem 0 .3rem}
.or-line::before,.or-line::after{content:"";flex:1;height:1px;background:var(--line)}