:root{--bg: #0f1115;--text: #f2f4f7;--hint: #8a94a6;--card: #1a1d23;--btn: #6c5ce7;--btn-text: #fff;--link: #7aa2ff;--radius: 16px;--gap: 14px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Roboto,Segoe UI,system-ui,sans-serif;font-size:16px;line-height:1.45}.app{max-width:620px;margin:0 auto;padding:16px 16px 40px}h1{font-size:1.35rem;font-weight:800;letter-spacing:-.02em;margin:4px 0 2px}h2{font-size:1.05rem;font-weight:700;margin:22px 0 10px;letter-spacing:-.01em}.hint{color:var(--hint);font-size:.9rem}a{color:var(--link)}.balance{position:relative;overflow:hidden;border-radius:20px;padding:20px;background:linear-gradient(135deg,var(--btn),color-mix(in srgb,var(--btn) 55%,#000));color:var(--btn-text);box-shadow:0 10px 30px #00000040}.balance:after{content:"";position:absolute;inset:-40% -10% auto auto;width:220px;height:220px;background:radial-gradient(circle,rgba(255,255,255,.25),transparent 60%);pointer-events:none}.balance .label{opacity:.85;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em}.balance .amount{font-size:2.5rem;font-weight:800;letter-spacing:-.03em;margin-top:2px}.balance .cta{margin-top:14px}.grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}.card{background:var(--card);border-radius:var(--radius);padding:16px;border:1px solid color-mix(in srgb,var(--text) 8%,transparent)}.card.tap{cursor:pointer;transition:transform .08s ease}.card.tap:active{transform:scale(.985)}.card .row{display:flex;align-items:center;justify-content:space-between;gap:12px}.card .emoji{font-size:1.6rem}.card .title{font-weight:700}.card .desc{color:var(--hint);font-size:.88rem;margin-top:2px}.card .price{color:var(--hint);font-size:.82rem;margin-top:8px}button,.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:12px;padding:13px 16px;background:var(--btn);color:var(--btn-text);font-weight:700;font-size:1rem;width:100%;cursor:pointer}.btn.ghost{background:transparent;color:var(--text);border:1px solid color-mix(in srgb,var(--text) 16%,transparent)}.btn.small{width:auto;padding:9px 14px;font-size:.9rem}button:disabled{opacity:.5}label{display:block;font-size:.85rem;color:var(--hint);margin:12px 0 6px}input,textarea,select{width:100%;background:var(--bg);color:var(--text);border-radius:12px;padding:12px;border:1px solid color-mix(in srgb,var(--text) 14%,transparent);font-size:1rem;font-family:inherit}textarea{min-height:92px;resize:vertical}.seg{display:flex;gap:8px}.seg button{background:var(--card);color:var(--text);border:1px solid color-mix(in srgb,var(--text) 14%,transparent)}.seg button.on{background:var(--btn);color:var(--btn-text);border-color:transparent}.back{background:none;color:var(--link);width:auto;padding:6px 0;font-weight:600}.order{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid color-mix(in srgb,var(--text) 8%,transparent)}.badge{font-size:.75rem;padding:3px 9px;border-radius:999px;background:color-mix(in srgb,var(--btn) 22%,transparent);color:var(--text);white-space:nowrap}.addr{word-break:break-all;background:var(--bg);border:1px dashed color-mix(in srgb,var(--text) 22%,transparent);padding:12px;border-radius:12px;font-family:ui-monospace,Menlo,monospace;font-size:.9rem}.notice{background:color-mix(in srgb,var(--btn) 12%,transparent);border-radius:12px;padding:12px;font-size:.9rem;margin-top:12px}.err{color:#ff6b6b;font-size:.9rem;margin-top:10px}.spinner{text-align:center;padding:40px;color:var(--hint)}pre.tos{white-space:pre-wrap;font-family:inherit;color:var(--text);font-size:.92rem;line-height:1.5}