:root{--bg1: #05060a;--bg2: #0e1222;--card: #121429;--border: #242642;--text: #f6f7fb;--accent: #46f6d3;--accent2: #5cd6ff;--warn: #ffcc66}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:radial-gradient(1000px 600px at 20% -10%,#0a0f1f 0%,var(--bg1) 60%),linear-gradient(160deg,var(--bg2),var(--bg1))}.container{max-width:980px;margin:0 auto;padding:24px}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.title{font-size:clamp(22px,2.5vw,30px);font-weight:800;text-shadow:0 0 18px rgba(70,246,211,.5)}.chain{font-size:12px;opacity:.8}.btn{border:1px solid var(--border);background:linear-gradient(180deg,#1a1d34,#111325);color:var(--text);padding:10px 14px;border-radius:14px;cursor:pointer;transition:transform .05s ease,box-shadow .2s ease;box-shadow:0 0 12px #46f6d32e}.btn:hover{box-shadow:0 0 16px #5cd6ff40}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(180deg,#1e3940,#123233);border-color:#1f4c4c}.btn-green{background:linear-gradient(180deg,#165943,#0f3c30);border-color:#1e6f59}.btn-blue{background:linear-gradient(180deg,#1b3b62,#112542);border-color:#2a4b7a}.btn-pink{background:linear-gradient(180deg,#4a1f4f,#2a0f32);border-color:#6d2a75}.card{background:linear-gradient(180deg,#171a34,#0f1231);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:0 0 24px #5cd6ff14}.grid{display:grid;gap:16px;grid-template-columns:1fr}@media (min-width: 860px){.grid{grid-template-columns:1fr 1fr}}.input{width:100%;background:#070818;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.small{font-size:12px;opacity:.8}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.big{font-size:22px;font-weight:800;letter-spacing:.2px}.glow{text-shadow:0 0 10px rgba(70,246,211,.6)}.note{margin-top:8px;font-size:12px;opacity:.75}.msg{margin-top:14px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#0b0d20}.footer{margin-top:20px;text-align:center;font-size:12px;opacity:.65}.hr{height:1px;background:#1f223a;border:none;margin:10px 0}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.kv{display:flex;align-items:center;gap:8px}