:root{--bg:#0a0a0c;--surface:#141418;--border:#222228;--text:#e8e8ec;--dim:#6b6b80;--accent:#6366f1;--accent-hover:#818cf8;--warning:#f59e0b;--warning-bg:#f59e0b14;--danger:#ef4444;--success:#22c55e}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.6}.app{max-width:640px;min-height:100vh;margin:0 auto;padding:40px 20px}.app-header{text-align:center;margin-bottom:32px}.app-header .logo{margin-bottom:8px;font-size:40px}.app-header h1{margin-bottom:4px;font-size:24px;font-weight:700}.subtitle{color:var(--dim);font-size:14px}.steps{justify-content:center;gap:32px;margin-bottom:32px;display:flex}.step{color:var(--dim);align-items:center;gap:8px;font-size:13px;display:flex}.step.active{color:var(--accent)}.step.done{color:var(--success)}.step-number{border:2px solid var(--border);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:700;display:flex}.step.active .step-number{border-color:var(--accent);background:var(--accent);color:#fff}.step.done .step-number{border-color:var(--success);background:var(--success);color:#fff}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;margin-bottom:16px;padding:24px}.card h2{margin-bottom:12px;font-size:18px}.warning-card{border-color:var(--warning)}.warning-card h2{color:var(--warning)}.success-card{text-align:center;border-color:var(--success)}.success-icon{color:var(--success);margin-bottom:12px;font-size:48px}.warning-list{flex-direction:column;gap:12px;margin-bottom:20px;display:flex}.warning-item{background:var(--warning-bg);border-radius:8px;padding:12px;font-size:13px;line-height:1.5}.warning-item strong{color:var(--warning)}.warning-box{background:var(--warning-bg);color:var(--warning);border:1px solid #f59e0b33;border-radius:8px;margin:16px 0;padding:12px;font-size:13px}.form-group{margin-bottom:16px}.form-group label{color:var(--dim);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:12px;display:block}.form-group input,.mnemonic-input{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);resize:vertical;border-radius:8px;outline:none;padding:12px;font-family:inherit;font-size:14px}.form-group input:focus,.mnemonic-input:focus{border-color:var(--accent)}.mnemonic-input{letter-spacing:.02em;font-family:SF Mono,Fira Code,monospace}.address-badge{background:var(--bg);border:1px solid var(--border);word-break:break-all;border-radius:8px;padding:8px 12px;font-family:SF Mono,Fira Code,monospace;font-size:12px}.owner-list{flex-direction:column;gap:8px;display:flex}.owner-option{cursor:pointer;align-items:center;gap:10px;display:flex}.owner-option input[type=radio]{accent-color:var(--accent)}.owner-option .address-badge{flex:1}.btn{cursor:pointer;border:none;border-radius:10px;width:100%;padding:14px;font-size:15px;font-weight:600;transition:background .15s;display:block}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-warning{background:var(--warning);color:#000}.btn-danger{background:var(--danger);color:#fff}.error{color:var(--danger);background:#ef44441a;border:1px solid #ef444433;border-radius:8px;margin:12px 0;padding:12px;font-size:13px}.app-footer{text-align:center;color:var(--dim);margin-top:48px;font-size:12px}.dim{color:var(--dim)}code{background:var(--bg);border-radius:4px;padding:2px 6px;font-family:SF Mono,Fira Code,monospace;font-size:12px}