:root{--bg: #0b1120;--card: #151d2e;--line: #243049;--text: #e8edf7;--dim: #8fa0bf;--accent: #34d399;--warn: #fbbf24;font-family:system-ui,-apple-system,Segoe UI,Noto Sans,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%}.app{max-width:480px;margin:0 auto;padding:16px 16px 84px}h1{font-size:20px;margin:8px 0 4px}h2{font-size:16px;margin:20px 0 8px;color:var(--dim);font-weight:600}.sub{color:var(--dim);font-size:13px;margin:0 0 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px;width:100%;text-align:left;color:inherit;font:inherit;cursor:pointer;display:block}.row{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.big{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums}.mono{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px;color:var(--dim);word-break:break-all}.pill{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:2px 8px}button.primary{background:var(--accent);color:#062016;border:0;border-radius:12px;padding:12px 16px;font-size:15px;font-weight:700;width:100%;cursor:pointer}.pay-button{width:100%;min-height:54px;margin-top:4px;padding:15px 18px;font-size:16px;font-weight:700;border:0;border-radius:14px;background:var(--accent);color:#062016;cursor:pointer;box-shadow:0 8px 24px #34d39940;transition:transform .05s ease,box-shadow .15s ease}.pay-button:active:not(:disabled){transform:translateY(1px)}.pay-button:disabled{background:#1e293b;color:#5b6b86;box-shadow:none;cursor:default}.sheet-backdrop{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center;padding-bottom:env(safe-area-inset-bottom);background:#0408109e;animation:sheet-fade .15s ease;touch-action:none;overscroll-behavior:contain}.sheet{width:100%;max-width:480px;max-height:90vh;overflow-y:auto;overscroll-behavior:contain;padding:6px 16px 18px;background:var(--card);border-top:1px solid var(--line);border-radius:20px 20px 0 0;animation:sheet-up .2s ease;transition:transform .22s ease;touch-action:pan-y;will-change:transform}.sheet-dragging{transition:none}.sheet-grip{width:40px;height:4px;margin:8px auto 14px;border-radius:2px;background:var(--line)}.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:0 2px 10px;font-size:16px}.sheet-close{width:32px;height:32px;padding:0;background:transparent;border:0;border-radius:50%;color:var(--dim);font-size:22px;line-height:1;cursor:pointer}.sheet-close:active{background:var(--line)}.wallet-row{display:flex;align-items:center;gap:12px;width:100%;min-height:56px;margin-bottom:10px;padding:10px 14px;background:#0f1728;border:1px solid var(--line);border-radius:14px;color:inherit;font:inherit;cursor:pointer}.wallet-row:active{border-color:var(--accent);background:#13202f}.wallet-badge{flex:none;display:grid;width:36px;height:36px;place-items:center;border-radius:50%;color:#fff;font-size:16px;font-weight:700}.wallet-label{flex:1;display:flex;flex-direction:column;gap:2px;text-align:left}.wallet-name{font-size:15px;font-weight:600}.wallet-sub{font-size:12px;color:var(--dim)}.wallet-badge-copy{background:#1e293b;border:1px solid var(--line);font-size:15px}.sheet-hint{margin:0 2px 12px;font-size:12.5px;line-height:1.45;color:var(--dim)}.coin-line{display:block}.coin-address{display:block;margin-top:3px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;color:var(--dim);letter-spacing:.2px}.wallet-go{color:var(--dim);font-size:20px;line-height:1}.sheet-cancel{width:100%;min-height:48px;margin-top:4px}@keyframes sheet-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes sheet-fade{0%{opacity:0}to{opacity:1}}@media (min-width: 520px){.sheet-backdrop{align-items:center}.sheet{margin-bottom:10vh;border:1px solid var(--line);border-radius:20px}}button.ghost{background:transparent;color:var(--dim);border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:14px;cursor:pointer}input,select{width:100%;background:#0f1728;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:16px;margin-bottom:10px}.sheet-select{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;background:#0f1728;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:16px;margin-bottom:10px;cursor:pointer;text-align:left}.sheet-select-chevron{flex:none;color:var(--dim)}.sheet-option{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:52px;margin-bottom:8px;padding:10px 14px;background:#0f1728;border:1px solid var(--line);border-radius:14px;color:inherit;font:inherit;font-size:15px;cursor:pointer}.sheet-option:active{border-color:var(--accent);background:#13202f}.sheet-option[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}label{display:block;font-size:12px;color:var(--dim);margin-bottom:4px}.qr{background:#fff;padding:14px;border-radius:14px;display:grid;place-items:center;margin:0 auto 14px;width:fit-content}.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.tabs button{flex:1;background:transparent;border:0;color:var(--dim);padding:14px 0;font-size:13px;cursor:pointer}.tabs button[aria-current=page]{color:var(--accent);font-weight:700}.banner{background:#2a2113;border:1px solid #4a3a16;color:var(--warn);border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:12px}.bar{height:6px;background:var(--accent);border-radius:3px;min-width:2px}