:root{--page:#f7f6fb;--card:#fff;--sunken:#f1eff7;--border:#e7e5f0;--text:#17152e;--text-secondary:#5f5c75;--primary:#2f2a7a;--on-primary:#fff;--accent:#ff9e7a;--on-accent:#17152e;--owed:#0f7556;--owe:#975409;--radius:16px}@media (prefers-color-scheme:dark){:root{--page:#111019;--card:#1a1824;--sunken:#211f2d;--border:#2a2838;--text:#ecebf5;--text-secondary:#a9a7bd;--primary:#a7a3f5;--on-primary:#111019;--accent:#ffb596;--on-accent:#111019;--owed:#5fd6b0;--owe:#f2b45e}}*{box-sizing:border-box}html,body{background:var(--page);color:var(--text);font-family:var(--font-inter), system-ui, sans-serif;-webkit-font-smoothing:antialiased;margin:0}h1,h2,h3,.amount{font-family:var(--font-geist), system-ui, sans-serif;letter-spacing:-.01em}.amount{font-variant-numeric:tabular-nums}main{flex-direction:column;gap:24px;max-width:560px;margin:0 auto;padding:48px 16px 64px;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:12px;padding:20px;display:flex}.secondary{color:var(--text-secondary)}.button{border:1.5px solid var(--primary);background:var(--primary);min-height:48px;color:var(--on-primary);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;padding:0 24px;font-size:16px;font-weight:600;text-decoration:none;display:inline-flex}.button.accent{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.button.ghost{color:var(--primary);background:0 0}.owe{color:var(--owe)}.owed{color:var(--owed)}input[type=email]{border:1.5px solid var(--border);background:var(--sunken);min-height:48px;color:var(--text);border-radius:12px;width:100%;padding:0 12px;font-size:16px}.row{flex-wrap:wrap;gap:8px;display:flex}