/* FAM Arena — token màu chuyển từ mockup/index.html (nền tối cố định) */
:root{
  --bg:#0b0f17;--panel:#121826;--panel2:#1a2234;--line:#232c40;
  --text:#eef2ff;--muted:#8a94ad;--gold:#f5c451;--gold2:#ffdf8a;
  --bull:#22c55e;--bear:#ef4444;--accent:#6d8cff;--accent2:#9b7bff;
  --stable:#38bdf8;
  --r:18px;
  --tabs-h:64px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
body{min-height:100vh;overscroll-behavior:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;color:inherit}
a{color:inherit;text-decoration:none}

#app{min-height:100vh;display:flex;flex-direction:column;max-width:480px;margin:0 auto}
.screen{flex:1;padding:12px 16px calc(var(--tabs-h) + var(--safe-b) + 24px)}
.screen.full{padding-bottom:24px}
.tabs{position:fixed;left:50%;transform:translateX(-50%);width:100%;max-width:480px;bottom:0;height:calc(var(--tabs-h) + var(--safe-b));padding:8px 6px var(--safe-b);
  background:rgba(11,15,23,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);
  display:flex;justify-content:space-around;align-items:flex-start;z-index:10}
.tabs[hidden]{display:none}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10.5px;color:var(--muted);cursor:pointer;border:0;background:none;padding:2px 0}
.tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tab.active{color:var(--gold)}

.hdr{display:flex;align-items:center;justify-content:space-between;margin:8px 0 4px}
.hdr h2{font-size:22px;font-weight:800}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-top:14px}
.card h3{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.muted{color:var(--muted)}
.small{font-size:12px}
.center{text-align:center}
.mt6{margin-top:6px}.mt10{margin-top:10px}.mt14{margin-top:14px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--panel2);border:1px solid var(--line);white-space:nowrap}
.pill.gold{color:var(--gold);border-color:#5a4a1e;background:#2a2411}
.pill.bull{color:var(--bull);border-color:#1f4d33;background:#0f2a1c}
.pill.bear{color:var(--bear);border-color:#5a2222;background:#2a1111}
.pill.ok{color:var(--bull)}
.pill.warn{color:var(--gold)}
.pill.err{color:var(--bear)}
.btn{display:block;width:100%;padding:13px;border-radius:14px;border:0;font-weight:700;font-size:14px;cursor:pointer;text-align:center;transition:opacity .15s}
.btn.primary{background:linear-gradient(135deg,var(--gold),#e0a52e);color:#1a1200}
.btn.ghost{background:var(--panel2);color:var(--text);border:1px solid var(--line)}
.btn:disabled{opacity:.5;cursor:default}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat{background:var(--panel2);border-radius:14px;padding:12px}
.stat .v{font-size:18px;font-weight:800}
.stat .l{font-size:11px;color:var(--muted);margin-top:2px}
.bar{height:8px;border-radius:99px;background:#0d1320;overflow:hidden}
.bar>i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold),var(--gold2))}
.notice{font-size:11.5px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.5}
.season{background:linear-gradient(135deg,#1b1f3a,#2a1740);border:1px solid #3a2e66}

/* thẻ hội viên */
.member{position:relative;border-radius:22px;padding:18px;overflow:hidden;margin-top:6px;
  background:radial-gradient(120% 140% at 0% 0%,#2b2a16 0%,#141a2a 45%,#0e1322 100%);border:1px solid #3a3620;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.member::after{content:"";position:absolute;inset:-40%;background:conic-gradient(from 200deg,transparent 0 60%,rgba(245,196,81,.12) 70%,transparent 80%);pointer-events:none}
.member .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.member .brand{font-weight:800;letter-spacing:1.5px;font-size:12px;color:var(--gold)}
.member .name{font-size:20px;font-weight:800;margin-top:14px;word-break:break-word}
.member .tier{font-size:12px;color:var(--muted);margin-top:2px}
.member .uid{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--muted);margin-top:14px;letter-spacing:1px}
.avatar{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;font-size:44px;flex:none;
  background:radial-gradient(circle at 30% 30%,#2b3a5a,#0f1526);border:3px solid var(--tier,#b87333);box-shadow:0 0 0 4px var(--tier-glow,rgba(184,115,51,.15)),0 0 30px var(--tier-glow,rgba(184,115,51,.25))}
.avatar.lg{width:110px;height:110px;font-size:60px}
.avatar.sm{width:40px;height:40px;font-size:20px;border-width:2px;box-shadow:none}
.stars{color:var(--gold);letter-spacing:2px;font-size:14px}
.stars .off{color:#3a4257}
/* khung màu theo hạng */
.tier-dong{--tier:#b87333;--tier-glow:rgba(184,115,51,.2)}
.tier-bac{--tier:#cbd5e1;--tier-glow:rgba(203,213,225,.2)}
.tier-vang{--tier:var(--gold);--tier-glow:rgba(245,196,81,.25)}
.tier-kimcuong{--tier:#7dd3fc;--tier-glow:rgba(125,211,252,.3)}
.tier-huyenthoai{--tier:var(--accent2);--tier-glow:rgba(155,123,255,.35)}
.tier-name-dong{color:#d49a6a}.tier-name-bac{color:#cbd5e1}.tier-name-vang{color:var(--gold)}.tier-name-kimcuong{color:#7dd3fc}.tier-name-huyenthoai{color:var(--accent2)}

/* sàn */
.ex{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.ex:last-child{border-bottom:0}
.ex .logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:13px;color:#fff;flex:none}
.ex .n{flex:1;min-width:0}.ex .n b{display:block;font-size:14px}.ex .n span{font-size:11.5px;color:var(--muted);display:block}
.ex .st{text-align:right;flex:none}
.ex .st .vol{font-weight:800;color:var(--gold);font-size:13px}
.ex .st .vol.na{color:var(--muted);font-weight:500}
.ex .st .pill{margin-top:3px;padding:1px 7px}
.ex.off{opacity:.55}
.ex.soon{opacity:.45;filter:grayscale(.6)}

/* hàng cài đặt */
.q{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.q:last-child{border-bottom:0}
.q .d{flex:1;font-size:13.5px}.q .d span{display:block;font-size:11.5px;color:var(--muted);margin-top:2px}
.toggle{width:40px;height:22px;border-radius:99px;background:#3a4257;position:relative;border:0;cursor:pointer;flex:none;transition:background .15s}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .15s}
.toggle[aria-checked="true"]{background:var(--bull)}
.toggle[aria-checked="true"]::after{transform:translateX(18px)}
.toggle:disabled{opacity:.5}
.input{width:100%;padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:var(--panel2);color:var(--text);font:inherit;font-size:14px;outline:none}
.input:focus{border-color:var(--gold)}

/* onboarding */
.onb{min-height:calc(100vh - 36px);display:flex;flex-direction:column;justify-content:center}
.onb h1{font-size:26px;font-weight:800;text-align:center}
.faction{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.fac{background:var(--panel);border:2px solid var(--line);border-radius:22px;padding:22px 12px;text-align:center;cursor:pointer;transition:transform .12s,border-color .12s}
.fac .e{font-size:56px;line-height:1}
.fac b{display:block;margin-top:10px;font-size:16px}
.fac span{display:block;font-size:11.5px;color:var(--muted);margin-top:4px;line-height:1.4}
.fac.bull:hover,.fac.bull.on{border-color:var(--bull);background:#0f2a1c}
.fac.bear:hover,.fac.bear.on{border-color:var(--bear);background:#2a1111}
.fac:active{transform:scale(.97)}
.fac:disabled{opacity:.6}

/* placeholder */
.soon-box{min-height:50vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;color:var(--muted)}
.soon-box .e{font-size:56px}
.soon-box b{color:var(--text);font-size:18px}

/* loading / toast / gate */
.loading{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
.spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--gold);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:448px;bottom:calc(var(--tabs-h) + var(--safe-b) + 14px);z-index:30;background:#1f2740;border:1px solid var(--line);color:var(--text);
  padding:12px 14px;border-radius:14px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.5);animation:up .2s ease-out}
.toast.err{border-color:#5a2222;background:#2a1111}
.toast.ok{border-color:#1f4d33;background:#0f2a1c}
.toast[hidden]{display:none}
@keyframes up{from{opacity:0}to{opacity:1}}
.gate{position:fixed;inset:0;background:var(--bg);z-index:40;display:grid;place-items:center;padding:24px}
.gate[hidden]{display:none}
.gate-box{max-width:340px;text-align:center;display:flex;flex-direction:column;gap:14px}
.gate-box h2{font-size:22px;font-weight:800}
.gate-box p{line-height:1.5;font-size:14px}
.err-box{text-align:center;padding:30px 10px;color:var(--muted)}
.err-box .btn{margin:14px auto 0;max-width:220px}

/* Wave 2F — trang chủ / xếp hạng / lịch sử XP */
.fire{color:#fb923c}
.q .chk{width:22px;height:22px;border-radius:7px;border:2px solid #3a4257;display:grid;place-items:center;flex:none;font-size:13px}
.q .chk.done{background:var(--bull);border-color:var(--bull);color:#042}
.q .r{font-weight:800;color:var(--gold);font-size:13px;flex:none}
.q .qbtn{width:auto;padding:7px 12px;font-size:12.5px;border-radius:10px;flex:none}
.rule{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid var(--line);font-size:13px}
.rule:last-child{border-bottom:0}
.rule span{color:var(--muted)}.rule b{color:var(--gold);white-space:nowrap}
.seg{display:flex;background:var(--panel2);border-radius:12px;padding:4px;margin-top:10px}
.seg button{flex:1;border:0;background:none;color:var(--muted);padding:8px 4px;border-radius:9px;font-weight:600;font-size:12.5px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.seg button.on{background:var(--panel);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.4)}
.podium{display:flex;align-items:flex-end;justify-content:center;gap:10px;margin-top:16px;height:160px}
.pod{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:6px}
.pod .box{width:100%;border-radius:12px 12px 0 0;background:var(--panel2);display:grid;place-items:center;font-weight:800;color:var(--muted)}
.pod.p1 .box{height:78px;background:linear-gradient(180deg,#3b3115,#1a1a1a);color:var(--gold)}
.pod.p2 .box{height:56px}.pod.p3 .box{height:42px}
.pod b{font-size:12px;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pod span{font-size:11px;color:var(--muted)}
.pod.me b{color:var(--gold)}
.lb{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.lb:last-child{border-bottom:0}
.lb .rank{width:26px;text-align:center;font-weight:800;color:var(--muted);flex:none}
.lb .rank.r1{color:var(--gold)}.lb .rank.r2{color:#cbd5e1}.lb .rank.r3{color:#d49a6a}
.lb .who{flex:1;min-width:0}
.lb .who b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb .who span{font-size:11.5px;color:var(--muted)}
.lb .who .stars{font-size:11px;letter-spacing:1px}
.lb .xp{text-align:right;font-weight:800;flex:none}
.lb .xp span{display:block;font-size:11px;font-weight:600}
.lb.me{background:linear-gradient(90deg,rgba(245,196,81,.1),transparent);margin:0 -16px;padding:12px 16px;border-radius:12px}
.xh{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.xh:last-child{border-bottom:0}
.xh .ic{width:36px;height:36px;border-radius:12px;background:var(--panel2);display:grid;place-items:center;font-size:18px;flex:none}
.xh .d{flex:1;min-width:0}.xh .d b{display:block;font-size:13.5px}.xh .d span{display:block;font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.xh .amt{font-weight:800;color:var(--bull);flex:none}.xh .amt.neg{color:var(--bear)}

/* Wave 3 — danh mục (tiền tố .pf-) */
.pf-pick{cursor:pointer;color:var(--text);max-width:55%;overflow:hidden;text-overflow:ellipsis}
.pf-big{font-size:32px;font-weight:800;letter-spacing:-.5px;margin-top:4px;word-break:break-all}
.pf-up{color:var(--bull)}.pf-down{color:var(--bear)}
.stat .v.pf-up{color:var(--bull)}.stat .v.pf-down{color:var(--bear)}
.pf-eye{border:0;background:var(--panel2);border-radius:10px;padding:4px 8px;font-size:15px;cursor:pointer;line-height:1}
.pf-stale{padding:1px 7px;margin-left:4px}
.pf-donut{width:120px;height:120px;flex:none}
.pf-donut circle{transition:stroke-dasharray .3s}
.pf-dv{font-size:7px;font-weight:800;fill:var(--text)}.pf-dl{font-size:4px;fill:var(--muted)}
.pf-legend{flex:1;display:flex;flex-direction:column;gap:7px;font-size:12.5px}
.pf-legend div{display:flex;align-items:center;gap:8px}
.pf-legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.pf-legend b{margin-left:auto}
.pf-coin{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.pf-coin:last-child{border-bottom:0}
.pf-coin .ic{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;flex:none}
.pf-coin .n{flex:1;min-width:0}.pf-coin .n b{display:block;font-size:14px}.pf-coin .n span{font-size:11.5px;color:var(--muted);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pf-coin .v{text-align:right;flex:none}.pf-coin .v b{display:block}.pf-coin .v span{font-size:11.5px}
.pf-tx{display:flex;gap:10px;align-items:center;padding:10px 0;border:0;border-bottom:1px solid var(--line);font-size:13px;width:100%;background:none;text-align:left;cursor:pointer}
.pf-tx:last-child{border-bottom:0}
.pf-tx .t{width:42px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:10.5px;flex:none}
.pf-tx .t.b{background:#0f2a1c;color:var(--bull)}.pf-tx .t.s{background:#2a1111;color:var(--bear)}.pf-tx .t.d{background:#10263a;color:var(--stable)}
.pf-tx .t.r{background:#2a2411;color:var(--gold)}.pf-tx .t.w{background:#1d2340;color:#8ea2ff}
.pf-tx .d2{flex:1;min-width:0}.pf-tx .d2 span{display:block;font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pf-tx .legs{text-align:right;font-size:12px;line-height:1.5;flex:none}
.pf-fab{position:fixed;right:max(16px,calc(50% - 224px));bottom:calc(var(--tabs-h) + var(--safe-b) + 16px);width:54px;height:54px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--gold),#e0a52e);color:#1a1200;font-size:30px;font-weight:700;display:grid;place-items:center;box-shadow:0 10px 30px rgba(245,196,81,.35);z-index:9}
.pf-link{border:0;background:none;color:var(--gold);font-size:12.5px;font-weight:600;cursor:pointer;padding:0}
.pf-back{width:auto;padding:8px 12px}
.pf-menu{padding:8px 16px}
.pf-mi{display:flex;justify-content:space-between;align-items:center;width:100%;border:0;background:none;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer;text-align:left}
.pf-mi.on{color:var(--gold)}.pf-mi b{font-weight:600;color:var(--muted)}.pf-mi.on b{color:var(--gold)}
.pf-mact{display:flex;gap:8px}.pf-mact .btn{padding:9px;font-size:13px}
.pf-sbtn{width:auto;padding:11px 16px;flex:none}
.pf-danger{color:var(--bear)!important;border-color:#5a2222!important}
.pf-types{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.pf-types button{border:1px solid var(--line);background:var(--panel2);border-radius:10px;padding:9px 2px;font-weight:700;font-size:12.5px;cursor:pointer;color:var(--muted)}
.pf-types button.on{color:#1a1200;background:var(--gold);border-color:var(--gold)}
.pf-types .pf-t-sell.on{background:var(--bear);border-color:var(--bear);color:#fff}
.pf-types .pf-t-buy.on{background:var(--bull);border-color:var(--bull);color:#042}
.pf-lbl{display:block;font-size:12px;color:var(--muted);margin:12px 0 6px}
.pf-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.pf-chips button{border:1px solid var(--line);background:var(--panel2);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600;cursor:pointer;color:var(--text)}
.pf-chips button.on{border-color:var(--gold);color:var(--gold)}
.pf-mode{margin-top:12px}
.pf-err{background:#2a1111;border:1px solid #5a2222;border-radius:12px;padding:10px 12px;font-size:13px;line-height:1.45}
.pf-sel{appearance:auto}
.pf-dt{color-scheme:dark}