:root{--bg: #f5f6f8;--surface: #ffffff;--text: #1a1a1a;--muted: #999999;--line: #eeeeee;--primary: #2980fe;--primary-dark: #1a6fe8;--primary-soft: #e8f2ff;--radius: 12px;--shadow: 0 2px 12px rgba(41, 128, 254, .06);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}.phone-shell{max-width:430px;min-height:100vh;margin:0 auto;padding:0 16px 32px;background:var(--bg)}.top-bar{display:grid;grid-template-columns:40px 1fr 40px;align-items:center;gap:8px;background:var(--surface);margin:0 -16px;padding:12px 16px;border-bottom:1px solid var(--line)}.top-bar h1{margin:0;text-align:center;font-size:17px;font-weight:600;color:var(--text)}.top-spacer{width:40px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:8px;background:transparent;color:var(--text)}.page{display:flex;flex-direction:column;gap:12px;padding-top:16px}.token-banner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}.token-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:22px;font-weight:700;color:#fff;background:linear-gradient(135deg,#26a17b,#009393)}.token-name{font-size:16px;font-weight:600}.token-balance{margin-top:4px;font-size:13px;color:var(--muted)}.chain-tag{font-size:12px;font-weight:500;color:var(--primary);background:var(--primary-soft);padding:5px 10px;border-radius:6px}.field-card,.fee-card{background:var(--surface);border-radius:var(--radius);padding:16px;border:1px solid var(--line)}.field-label{display:block;font-size:13px;color:var(--muted);margin-bottom:10px}.amount-row{display:flex;align-items:center;gap:8px}input{width:100%;border:none;outline:none;background:transparent;color:var(--text);font-size:15px}.amount-row input{font-size:32px;font-weight:600;letter-spacing:-.02em}input::placeholder{color:#ccc}.max-btn{border:none;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;padding:8px 14px;border-radius:8px;flex-shrink:0}.fiat-hint{margin-top:8px;font-size:13px;color:var(--muted)}.fee-row{display:flex;justify-content:space-between;align-items:center;font-size:14px;padding:6px 0}.fee-row.muted{color:var(--muted);font-size:13px}.fee-value{font-weight:500;color:var(--text)}.submit-btn{margin-top:12px;width:100%;border:none;border-radius:12px;padding:15px;font-size:16px;font-weight:600;color:#fff;background:var(--primary);box-shadow:0 4px 14px #2980fe59}.submit-btn:active:not(:disabled){background:var(--primary-dark)}.submit-btn:disabled{opacity:.45;box-shadow:none}.submit-btn.secondary{margin-top:10px;background:#fff;color:var(--primary, #2980fe);border:1px solid var(--primary, #2980fe);box-shadow:none}.hidden{display:none!important}.status-text{text-align:center;font-size:12px;color:var(--muted);margin:8px 0 0}