:root{
  --bg:#050816; --panel:#0b1222; --soft:#0a1020; --side:#080d1b;
  --line:rgba(148,163,184,.2); --line-soft:rgba(148,163,184,.12);
  --text:#e5eefb; --muted:#93a4ba; --cyan:#38bdf8; --teal:#2dd4bf;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:ui-monospace,'JetBrains Mono',monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}

/* topbar */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;min-height:58px;padding:0 16px;background:rgba(8,13,27,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{font-weight:900;font-size:19px;text-decoration:none;color:var(--text)}
.brand em{font-style:normal;color:var(--cyan)}
.topbar .btn{margin-left:auto}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 12px;cursor:pointer;min-height:42px}

/* layout */
.wrap{width:min(760px,calc(100% - 24px));margin:0 auto;padding:24px 0 60px}
.center{display:flex;align-items:center;justify-content:center;min-height:70vh}
.center-box{text-align:center}
.shell{display:flex;min-height:calc(100vh - 58px)}
.backdrop{display:none}

/* sidebar */
.sidebar{width:264px;flex:none;background:var(--side);border-right:1px solid var(--line-soft);padding:20px 14px;display:flex;flex-direction:column;gap:2px;position:sticky;top:58px;height:calc(100vh - 58px);overflow-y:auto}
.group{margin:14px 8px 6px;color:var(--muted);font-size:12.5px;font-weight:700}
.group:first-child{margin-top:0}
.nav{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border:0;border-radius:10px;background:none;color:var(--text);font-family:var(--font);font-size:15px;font-weight:600;cursor:pointer;text-align:left}
.nav:hover{background:rgba(56,189,248,.07)}
.nav.active{background:rgba(56,189,248,.13);color:var(--cyan)}
.nav .ic{width:22px;text-align:center;flex:none}

/* content */
.content{flex:1;min-width:0;padding:26px 32px;max-width:1080px}
.side-user{margin-top:auto;display:flex;align-items:center;gap:12px;width:100%;padding:12px;border:1px solid var(--line-soft);border-radius:12px;background:rgba(56,189,248,.05);color:var(--text);font-family:var(--font);cursor:pointer;text-align:left}
.side-user:hover{border-color:rgba(56,189,248,.4)}
.side-user .avatar{width:38px;height:38px;flex:none;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#04111f;background:linear-gradient(135deg,var(--cyan),var(--teal))}
.side-user strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}
#sbBalance{display:block;font-size:12px;color:var(--teal);font-family:var(--mono)}
.pane{animation:fade .2s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:12px}
.card h2{margin:0 0 12px;font-size:16px}
.card.center{text-align:center;padding:48px 24px}
.stat strong{display:block;font-size:clamp(22px,3.4vw,32px);letter-spacing:-1px;margin:2px 0 4px;word-break:break-all;overflow-wrap:anywhere}
.label{margin:0;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.muted{color:var(--muted)} .small{font-size:12.5px} .mono{font-family:var(--mono)}
.row{display:flex;gap:8px}
.row.between{justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--muted)} .kv strong{word-break:break-all;text-align:right}
.inp{flex:1;min-width:0;padding:12px 14px;border-radius:9px;border:1px solid var(--line);background:var(--soft);color:var(--text);font-size:14px;font-family:var(--font);margin-bottom:10px;width:100%}
.inp.mono{font-family:var(--mono);text-transform:uppercase}
.inp:focus{outline:none;border-color:var(--cyan)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;min-height:44px;padding:0 18px;font-weight:700;font-size:14px;cursor:pointer;border:1px solid transparent;text-decoration:none}
.btn.block{width:100%}
.btn.primary{color:#04111f;background:linear-gradient(135deg,var(--cyan),var(--teal))}
.btn.ghost{border-color:var(--line);background:rgba(15,23,42,.6);color:var(--text)}
.btn.sm{min-height:34px;padding:0 13px;font-size:13px}
.err{display:none;color:#fca5a5;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:9px 12px;font-size:13px;margin-top:10px}
.keybox{display:block;color:#6ee7b7;background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.35);border-radius:10px;padding:12px 14px;font-size:13px;margin-top:10px;word-break:break-all;line-height:2}
.twrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:360px}
.tbl th{text-align:left;padding:9px 10px;color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:9px 10px;border-bottom:1px solid var(--line-soft);overflow-wrap:anywhere}
.tbl tr:last-child td{border-bottom:0}
.num{font-family:var(--mono)}
.plus{color:#6ee7b7;font-weight:700}
.minus{color:#fca5a5;font-weight:700}
.m-id{font-family:var(--mono);font-size:12.5px;color:#7dd3fc}
.m-mult{font-family:var(--mono);font-weight:700;padding:3px 9px;border-radius:999px;font-size:12px;white-space:nowrap;background:rgba(56,189,248,.12);color:#7dd3fc;border:1px solid rgba(56,189,248,.35)}
#chart{width:100%}
#chart svg{width:100%;height:auto;display:block}
#chart .empty{color:var(--muted);font-size:13px;padding:18px 4px}
.toast{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:#0b1222;border:1px solid rgba(45,212,191,.4);padding:12px 18px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .25s;max-width:calc(100vw - 32px);text-align:center;z-index:60}
.toast.show{opacity:1}

@media(max-width:1100px){
  .burger{display:block}
  .sidebar{position:fixed;left:0;top:58px;bottom:0;z-index:50;width:min(300px,84vw);border-right:1px solid var(--line);transform:translateX(-105%);transition:transform .25s ease;padding:16px 14px;overflow-y:auto;background:var(--side)}
  .sidebar.open{transform:none}
  .backdrop{display:none;position:fixed;left:0;right:0;bottom:0;top:58px;z-index:45;background:rgba(0,0,0,.65)}
  .backdrop.show{display:block}
  .shell{display:block}
  .content{padding:16px 12px 40px;max-width:none}
}
@media(max-width:640px){
  .cards{grid-template-columns:1fr}
  .inp{font-size:16px}
  .row{flex-wrap:wrap}
  .row .btn{flex:1}
}
.card.warn{border-color:rgba(251,191,36,.55);background:linear-gradient(180deg,rgba(251,191,36,.10),transparent)}
.card.warn .btn{margin-top:8px}
.text-danger{color:#f87171}
.text-ok{color:#34d399}