:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f7f7fb;--card:#fff;--text:#1f2430;--muted:#6b7280;--accent:#7c4dff;--accent-dark:#5b21b6;--border:#e5e7eb;--success:#16a34a;--error:#b91c1c}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:var(--accent-dark)}.container{max-width:960px;margin:0 auto;padding:24px 16px 64px}.nav{border-bottom:1px solid var(--border);background:var(--card);justify-content:space-between;align-items:center;padding:16px;display:flex}.nav a.brand{color:var(--text);font-size:18px;font-weight:700;text-decoration:none}.btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600;text-decoration:none;display:inline-block}.btn:hover{background:var(--accent-dark)}.btn:disabled{opacity:.5;cursor:default}.btn-secondary{color:var(--accent-dark);border:1px solid var(--accent);background:0 0}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;padding:24px}.hero{text-align:center;padding:64px 16px}.hero h1{margin-bottom:12px;font-size:36px}.hero p{color:var(--muted);max-width:560px;margin:0 auto 24px;font-size:18px}.pkg-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;display:grid}.pkg-card{border:1px solid var(--border);text-align:center;border-radius:12px;padding:20px}.pkg-card .price{margin:8px 0;font-size:28px;font-weight:700}.pkg-card .per-unit{color:var(--muted);margin-bottom:16px;font-size:13px}form.stack{flex-direction:column;gap:12px;max-width:360px;display:flex}input{border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px}.error-text{color:var(--error);font-size:13px}.balance{font-size:32px;font-weight:700}.token-box{word-break:break-all;background:#f3f4f6;border-radius:8px;padding:10px 12px;font-family:monospace;font-size:13px}.muted{color:var(--muted);font-size:14px}