:root{--bg:#0C0E12;--card:#161A21;--ink:#F5F6F8;--ink2:#9AA1AE;--line:#252A33;
--accent:#FF6B00;--accent-soft:rgba(255,107,0,.12);--btn:#FF6B00;--btn-ink:#0C0E12;
--brand:#FF6B00;--brand-ink:#0C0E12;--tile-accent:#FF6B00;--chart:#FF8A00;--sell:#F47067;
--gain:#3FBF84;--loss:#F47067;--bad:#F47067;--bad-soft:rgba(244,112,103,.12);
--texture:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1.3px)}
:root[data-theme="light"]{--bg:#F7F8FA;--card:#FFFFFF;--ink:#111318;--ink2:#5A616E;
--line:#E5E7EB;--accent:#9A6200;--accent-soft:rgba(184,116,0,.12);--btn:#B87400;
--btn-ink:#111318;--brand:#B87400;--brand-ink:#111318;--tile-accent:#D98A00;--chart:#B87400;
--sell:#C62828;--gain:#1A8F5A;--loss:#C62828;--bad:#C62828;--bad-soft:rgba(198,40,40,.08);
--texture:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);
background-image:var(--texture);background-size:16px 16px;background-attachment:fixed;
font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}.wrap{max-width:640px;margin:0 auto;padding:16px}
header{display:flex;justify-content:space-between;align-items:center;padding:8px 0 16px}
.brand{display:block;line-height:0}.brand img{height:30px;width:auto}
h1{font-size:28px;line-height:1.15;margin:8px 0 12px}
h2{font-size:20px;margin:24px 0 8px}.card{background:var(--card);border:1px solid var(--line);
border-radius:14px;padding:16px;margin:12px 0}.muted{color:var(--ink2)}.sm{font-size:14px}
.btn{display:inline-block;border:0;border-radius:10px;padding:12px 18px;font:inherit;
font-weight:700;cursor:pointer;text-decoration:none;background:var(--btn);color:var(--btn-ink);
min-height:44px}.btn.ghost{background:transparent;color:var(--accent);
border:1px solid var(--accent)}.btn.link{background:none;color:var(--ink2);padding:0;
min-height:0;font-weight:400;text-decoration:underline}
label{display:block;font-weight:600;margin:12px 0 4px}input[type=text],input[type=password],
input[type=number],input[type=tel],input[type=email]{width:100%;padding:12px;
border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--card);
color:var(--ink)}
.choice{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid var(--line);
border-radius:10px;margin:8px 0;font-weight:400}.choice input{margin-top:5px}
.ok{background:var(--accent-soft);border-color:var(--accent)}
.no{background:var(--bad-soft);border-color:var(--bad)}.err{color:var(--bad);font-weight:600}
.done{color:var(--accent);font-weight:700}ul.lessons{list-style:none;padding:0;margin:0}
ul.lessons li{display:flex;justify-content:space-between;gap:8px;padding:12px 0;
border-top:1px solid var(--line)}ul.lessons li:first-child{border-top:0}
table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:6px 4px;
border-top:1px solid var(--line)}th{color:var(--ink2);font-weight:600}
code{font-size:15px}textarea{width:100%;padding:12px;border:1px solid var(--line);
border-radius:10px;font:inherit;background:var(--card);color:var(--ink);resize:vertical}
.tutor{border-top:1px solid var(--line);margin-top:14px;padding-top:6px}
.tutor p{white-space:pre-line}
body:has(.tabbar){padding-bottom:84px}
.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-around;
background:var(--card);border-top:1px solid var(--line);
padding:6px max(4px,calc((100% - 640px) / 2)) calc(6px + env(safe-area-inset-bottom));z-index:5}
.tab{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;
color:var(--ink2);text-decoration:none;min-width:56px;padding:2px 4px}
.tab.on{color:var(--accent);font-weight:700}
.hi{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:4px 0 14px}
.chip{display:inline-block;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;
background:var(--accent-soft);color:var(--accent)}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{display:block;position:relative;overflow:hidden;border-radius:18px;padding:16px;
min-height:150px;color:#F5F6F8;text-decoration:none;
background:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1.3px) 0 0/14px 14px,
var(--grad,#0C0E12);border:1px solid rgba(255,255,255,.08)}
.tile.wide{grid-column:1/-1}.tile h3{font-size:19px;margin:10px 0 4px;color:#fff}
.tile p{font-size:13px;margin:0;color:#B8BEC8}
.tile .badge{font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
padding:3px 8px;border-radius:999px;background:var(--tile-accent);color:#0C0E12}
.t-bet{--grad:linear-gradient(155deg,#4A2208 0%,#14161B 72%)}
.t-fx{--grad:linear-gradient(155deg,#3A2A10 0%,#14161B 75%)}
.t-mk{--grad:linear-gradient(155deg,#2E3138 0%,#0C0E12 80%)}
.t-sh{--grad:linear-gradient(155deg,#3B1A12 0%,#0C0E12 80%)}
.oddsrow{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;
background:rgba(255,255,255,.07);border-radius:10px;padding:8px 10px;margin-top:8px}
.oddsrow b{background:var(--tile-accent);color:#0C0E12;border-radius:8px;
padding:3px 9px;font-size:14px}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.14);margin-top:12px}
.bar i{display:block;height:8px;border-radius:99px;background:var(--tile-accent)}
.tile svg.fx{display:block;margin-top:10px;width:100%;height:60px}
.fxt{stroke:var(--tile-accent)}.fxl{stroke:var(--chart)}.buy{fill:var(--chart)}
.sell{fill:var(--sell)}.up{fill:var(--tile-accent)}.dn{fill:var(--sell)}.wick{stroke:#9AA1AE}
.iconbtn{background:none;border:0;padding:6px;color:var(--ink2);cursor:pointer;line-height:0}
.iconbtn:hover{color:var(--accent)}
.headr{display:flex;align-items:center;gap:2px}.headr form{margin:0}
.wallet{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;
background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 14px;
margin:0 0 14px}.wallet .bal{display:flex;align-items:center;gap:8px;font-weight:800;
font-size:18px}.wallet .bal small{font-weight:400;font-size:12px;color:var(--ink2);display:block}
.wallet .res{display:flex;gap:14px}.wallet .res span{display:flex;align-items:center;gap:4px;
font-weight:700}.wallet .res small{display:block;font-weight:400;font-size:11px;
color:var(--ink2)}.gain{color:var(--gain)}.loss{color:var(--loss)}
.wall{display:block;padding:8px 14px}.wrow{display:grid;grid-template-columns:1fr 84px 84px;
align-items:center;gap:6px;padding:6px 0;border-top:1px solid var(--line);font-size:13px}
.wrow span:not(:first-child){text-align:right;font-weight:700}.wrow b{display:block;
font-size:16px}.wrow.wh{border-top:0;font-size:12px;color:var(--ink2)}.wrow.wh span{display:flex;
align-items:center;gap:4px;justify-content:flex-end;font-weight:600}
.wrow.wh span:first-child{justify-content:flex-start;color:var(--ink);font-weight:700}
.steps{display:flex;gap:6px;margin:6px 0 14px}.steps i{flex:1;height:5px;border-radius:9px;
background:var(--line)}.steps i.on{background:var(--brand)}
.track{display:flex;gap:10px;align-items:flex-start;margin:10px 0}.track svg{flex:none;
color:var(--accent)}
.match{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;
margin:10px 0}.picks{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:10px}
.picks form{margin:0}.pick{width:100%;border:1px solid var(--line);border-radius:10px;
background:var(--bg);color:var(--ink);padding:6px 2px;font:inherit;cursor:pointer;
display:flex;flex-direction:column;align-items:center;min-height:52px}
.pick span{font-size:11px;color:var(--ink2)}.pick b{font-size:15px}
.pick small{font-size:10px;color:var(--ink2)}
.pick.on{background:var(--brand);border-color:var(--brand);
color:var(--brand-ink)}.pick.on span,.pick.on small{color:var(--brand-ink)}
.oddsbig{background:var(--brand);color:var(--brand-ink);border-radius:8px;padding:4px 10px;
font-size:16px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.ask{margin:4px 0 14px}.ask summary{list-style:none;display:inline-flex;align-items:center;
gap:8px}.ask summary::-webkit-details-marker{display:none}
.ask[open] summary{margin-bottom:6px}