:root{--bg:#0b0f1a;--bg-2:#121a2e;--card:#17203a;--border:#26304f;--text:#e8ecf6;--muted:#9aa6c4;--brand:#6d5efc;--brand-2:#22d3a6;--danger:#ff5c72;--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(1200px 600px at 70% -10%,#1c2650 0,var(--bg) 55%);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;min-height:100vh}a{color:inherit}.container{max-width:1040px;margin:0 auto;padding:0 20px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0}.logo{font-weight:800;font-size:22px;letter-spacing:-.5px}.logo span{color:var(--brand-2)}.nav-actions{display:flex;gap:10px}.btn,.nav-actions{align-items:center}.btn{display:inline-flex;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--text);font-weight:600;font-size:15px;text-decoration:none;cursor:pointer;transition:transform .05s ease,background .15s ease,border-color .15s ease}.btn:hover{border-color:var(--brand)}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--brand),#8b7bff);border-color:transparent;color:#fff}.btn-accent{background:linear-gradient(135deg,var(--brand-2),#37e6bb);border-color:transparent;color:#052018}.btn-ghost{background:transparent}.btn-block{width:100%}.btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}.hero{padding:56px 0 40px;text-align:center}.badge{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:13px;margin-bottom:22px}.hero h1{font-size:clamp(32px,6vw,56px);line-height:1.05;margin:0 0 16px;letter-spacing:-1.5px}.hero h1 .grad{background:linear-gradient(120deg,var(--brand-2),var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--muted);font-size:18px;max-width:620px;margin:0 auto 28px;line-height:1.6}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px;margin:44px 0}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.card h3{margin:10px 0 8px;font-size:18px}.card p{color:var(--muted);margin:0;line-height:1.55}.card .ico{font-size:26px}@media (max-width:800px){.grid{grid-template-columns:1fr}}.auth-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}.auth-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.auth-card h2{margin:0 0 6px;font-size:24px}.auth-card .sub{color:var(--muted);margin:0 0 22px;font-size:15px}.field{margin-bottom:16px}.field label{display:block;font-size:14px;margin-bottom:6px;color:var(--muted)}.field input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg-2);color:var(--text);font-size:15px}.field input:focus{outline:none;border-color:var(--brand)}.form-msg{font-size:14px;margin:4px 0 14px;min-height:18px}.form-msg.error{color:var(--danger)}.form-msg.ok{color:var(--brand-2)}.auth-foot{margin-top:18px;text-align:center;color:var(--muted);font-size:14px}.auth-foot a{color:var(--brand-2);text-decoration:none}.balance-card{background:linear-gradient(135deg,#1a2547,#141d38);border:1px solid var(--border);border-radius:18px;padding:32px;text-align:center;margin:24px 0}.balance-card .coins{font-size:44px;font-weight:800;letter-spacing:-1px}.balance-card .dollars{font-size:20px;color:var(--brand-2);font-weight:700;margin-top:6px}.balance-card .rate{color:var(--muted);font-size:14px;margin-top:10px}.greeting{font-size:26px;font-weight:700;margin:8px 0 2px}.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:20px 0}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:14px 16px;font-size:14px}thead th{color:var(--muted);font-weight:600}tbody tr,thead th{border-bottom:1px solid var(--border)}tbody tr:last-child{border-bottom:none}.coin-input{width:110px;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:var(--bg-2);color:var(--text)}.page-head{display:flex;align-items:center;justify-content:space-between;padding:22px 0;flex-wrap:wrap;gap:12px}.muted{color:var(--muted)}.small{font-size:13px}.footer{text-align:center;padding:40px 0}.footer,.notice{color:var(--muted);font-size:13px}.notice{background:rgba(109,94,252,.08);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin:14px 0;line-height:1.5}.copyable{font-weight:700;padding:3px 7px;border-radius:6px;background:rgba(34,211,166,.18);color:var(--text);cursor:pointer}.copyable.is-copied{background:rgba(34,211,166,.32)}.copy-chip{margin-left:8px;padding:3px 10px;border-radius:999px;border:1px solid var(--border);background:var(--bg-2);color:var(--muted);font:inherit;font-size:13px;font-weight:600;line-height:1.6;cursor:pointer;vertical-align:middle;transition:color .15s ease,border-color .15s ease}.copy-chip:hover{border-color:var(--brand)}.copy-chip.is-copied{color:var(--brand-2);border-color:var(--brand-2)}