:root{--bg:#030517;--panel:rgba(148,163,184,.08);--line:rgba(148,163,184,.22);--text:#e2e8f0;--muted:#94a3b8;--cyan:#22d3ee;--violet:#a855f7;--grad:linear-gradient(135deg,#22d3ee,#a855f7)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(600px 300px at 80% -50px,rgba(168,85,247,.28),transparent),radial-gradient(500px 300px at 10% 0,rgba(34,211,238,.22),transparent),var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}
a{color:var(--cyan)}button{font:inherit;cursor:pointer;min-height:44px}
.topbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;font-size:20px}.brand svg{width:38px;height:38px}.brand em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.top-actions{display:flex;gap:10px;flex-wrap:wrap}.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}.lang button{background:transparent;color:var(--muted);border:0;padding:0 16px}.lang button.active{background:var(--grad);color:#fff}
.btn-primary{background:var(--grad);color:#fff;border:0;border-radius:999px;padding:0 20px;font-weight:700;box-shadow:0 0 24px rgba(168,85,247,.35)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);border-radius:999px;padding:0 18px}
main{max-width:960px;margin:0 auto;padding:20px 16px 40px}.gate-note{color:var(--cyan)}
.hero h1{font-size:clamp(30px,7vw,54px);line-height:1.15;margin:8px 0}.eyebrow{color:var(--cyan);letter-spacing:.08em;text-transform:uppercase;font-size:13px}.sub{color:var(--muted);font-size:18px}
.copy-card,.stats,.steps,.mining,.leader,.mynode,.conv{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:20px;margin:24px 0;backdrop-filter:blur(8px)}
.mynode #myNodeBody{margin-top:16px}.mynode #myNodeBody p{margin:8px 0;word-break:break-all}
@media(max-width:480px){.mynode #myNodeConnectBtn{width:100%}}
.copy-card pre{white-space:pre-wrap;word-break:break-word;background:rgba(3,5,23,.7);border:1px solid var(--line);border-radius:12px;padding:14px;font-size:13px;max-height:280px;overflow:auto}
.warn{color:var(--cyan)}.preview-badge{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(34,211,238,.15);color:var(--cyan)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat span{display:block;font-size:clamp(22px,5vw,34px);font-weight:800}.stat label{color:var(--muted);font-size:13px}
.progress{height:10px;background:rgba(148,163,184,.2);border-radius:999px;overflow:hidden;margin-top:16px}.progress div{height:100%;width:0;background:var(--grad);box-shadow:0 0 12px var(--cyan)}
.progress-label,.note{color:var(--muted);font-size:14px}
.steps ol{padding-left:20px}.steps li{margin:14px 0}.halving{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.halving div{border:1px solid var(--line);border-radius:12px;padding:12px}.halving span{display:block;color:var(--muted);font-size:13px}.halving b{font-size:20px}
.row{display:flex;gap:12px;align-items:center;border-top:1px solid var(--line);padding:14px 0}.row:first-child{border-top:0}.rank{color:var(--cyan);font-weight:800}.agent{flex:1;display:flex;flex-direction:column}.agent small{color:#4ade80}.pts{font-weight:800;text-align:right}.pts small{color:var(--muted)}.last{color:var(--muted);font-size:13px}
.conv .big{font-size:clamp(26px,6vw,40px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
footer{border-top:1px solid var(--line);padding:20px 16px;color:var(--muted);font-size:14px;text-align:center}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:flex-end;justify-content:center}.modal.open{display:flex}.modal-card{background:#0b1030;border:1px solid var(--line);border-radius:20px 20px 0 0;padding:20px;width:100%;max-width:520px;display:flex;flex-direction:column;gap:12px}.wallet-ok{background:var(--grad);color:#fff;border:0;border-radius:12px}.wallet-no{background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:12px;cursor:not-allowed}
@media(min-width:640px){.modal{align-items:center}.modal-card{border-radius:20px}.top-actions{flex-wrap:nowrap}}
@media(max-width:480px){.stat-grid{grid-template-columns:1fr}.halving{grid-template-columns:1fr}.row{flex-wrap:wrap}.last{width:100%;text-align:right}.top-actions{width:100%}.top-actions .btn-primary{flex:1}main{padding:16px 12px}}