:root{--panel:#ffffff;--line:#dde3ec;--line2:#c8d2de;--txt:#16212c;--dim:#566273;
--cyan:#1366cf;--green:#0e9e0c;--red:#ed4163;--gold:#9a6a00;--violet:#5a6bd8;--blur:blur(16px) saturate(1.3)}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:Rubik,sans-serif;color:var(--txt);min-height:100vh;
background:radial-gradient(1200px 760px at 50% -18%,rgba(20,117,225,.12),transparent 56%),radial-gradient(820px 600px at 92% 8%,rgba(139,159,253,.10),transparent 55%),linear-gradient(180deg,#eef1f6,#eef1f6);background-attachment:fixed}
.container{max-width:980px;margin:auto;padding:0 18px}a{text-decoration:none;color:inherit}
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.90);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:18px;height:60px}
.logo{font-family:Rubik;font-weight:700;font-size:19px;letter-spacing:1px}.logo b{color:var(--cyan)}
.nav{display:flex;gap:15px;font-size:13px;color:var(--dim);overflow-x:auto}.nav a:hover{color:var(--txt)}.nav a.on{color:var(--cyan)}
.sp{flex:1}.balchip{font-family:JetBrains Mono;color:var(--gold);font-size:14px;white-space:nowrap}
h1{font-family:Rubik;font-size:26px;margin:28px 0 6px}.sub{color:var(--dim);font-size:13.5px;margin-bottom:22px}
.box{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:16px;-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur)}
.box h2{font-family:Rubik;font-size:17px;margin-bottom:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:none;cursor:pointer;border-radius:12px;font-family:Rubik;font-weight:700;letter-spacing:.6px;padding:12px 20px;font-size:13px;text-transform:uppercase;transition:.15s}#authBtn,#regBtn{text-transform:none;letter-spacing:0}
.btn:active{transform:translateY(2px)}.btn:disabled{filter:grayscale(.6) brightness(.65);cursor:not-allowed}
.btn-pri{background:linear-gradient(180deg,#10b30e,var(--green));color:#fff;box-shadow:0 12px 26px -10px rgba(0,231,1,.5)}
.btn-gold{background:linear-gradient(180deg,#ffe48a,#f4be2c);color:#3a2400}
.btn-ghost{background:#ffffff;border:1px solid var(--line2);color:var(--txt)}
input{background:#ffffff;border:1px solid var(--line);border-radius:11px;color:var(--txt);padding:12px;font-size:16px;outline:none}input:focus{border-color:var(--cyan)}
table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;color:var(--dim);font-size:10.5px;text-transform:uppercase;padding:8px;border-bottom:1px solid var(--line)}
td{padding:9px 8px;border-bottom:1px solid #e7ecf3;font-family:JetBrains Mono;font-size:12.5px}
.msg{font-size:13px;min-height:18px;margin-top:8px}.ok{color:var(--green)}.err{color:var(--red)}
footer{margin:40px 0 26px;text-align:center;color:#7b8696;font-size:11.5px;line-height:1.8}
footer a{color:var(--dim)}
.tabs{display:flex;gap:8px;margin-bottom:16px}.tab{padding:9px 18px;border-radius:99px;border:1px solid var(--line);background:#ffffff;color:var(--dim);font-family:Rubik;font-weight:600;font-size:12.5px;cursor:pointer}
.tab.on{color:var(--cyan);border-color:rgba(20,117,225,.45);background:rgba(20,117,225,.1)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:700px){.two{grid-template-columns:1fr}}
.rank1{color:var(--gold)}.rank2{color:#cfd6e6}.rank3{color:#d49a6a}