:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f5f3ff;--surface:#fff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--primary:#4f46e5;--primary-contrast:#fff;--accent:#7c3aed;--danger:#dc2626;--success:#16a34a;--radius:16px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f1117;--surface:#171a23;--text:#f3f4f6;--muted:#9ca3af;--border:#2a2f3a;--primary:#818cf8;--primary-contrast:#0f1117;--accent:#a78bfa;--danger:#f87171;--success:#4ade80}}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0}button,input,select{font:inherit}.app{flex-direction:column;max-width:480px;min-height:100%;margin:0 auto;display:flex}.topbar{align-items:center;gap:8px;padding:16px;display:flex}.topbar h1{margin:0;font-size:18px;font-weight:600}.spacer{flex:1}.icon-btn{border:1px solid var(--border);background:var(--surface);width:36px;height:36px;color:var(--text);cursor:pointer;border-radius:12px;font-size:20px;line-height:1}.card{background:var(--surface);border-radius:20px;flex-direction:column;flex:1;gap:16px;margin:0 12px;padding:20px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field>span{color:var(--muted);font-size:13px}.field select,.field input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:12px;padding:12px 14px}.amount{align-items:center;gap:8px;display:flex}.amount input{font-size:24px;font-weight:600}.amount span{color:var(--muted)}.btn{cursor:pointer;border:none;border-radius:14px;padding:14px;font-weight:600}.btn.primary{background:var(--primary);color:var(--primary-contrast);margin-top:auto}.tabs{padding:10px 0 14px;display:flex}.tab{color:var(--muted);cursor:pointer;background:0 0;border:none;flex:1;padding:8px;font-size:13px}.tab.active{color:var(--primary);font-weight:600}h2{margin:0;font-size:20px}h3{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:8px 0 0;font-size:15px}.muted{color:var(--muted);margin:0;font-size:14px}.notice,.error-banner{border-radius:12px;margin:0 12px;padding:12px 14px;font-size:14px}.notice{background:color-mix(in srgb, var(--success) 14%, transparent);color:var(--success)}.error-banner{background:color-mix(in srgb, var(--danger) 14%, transparent);color:var(--danger)}.subcard{border:1px dashed var(--border);border-radius:14px;flex-direction:column;gap:12px;padding:14px;display:flex}.segmented{background:var(--bg);border-radius:14px;gap:6px;padding:4px;display:flex}.segment{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:10px;flex:1;padding:10px;font-weight:600}.segment.active{background:var(--surface);color:var(--primary);box-shadow:0 1px 3px #0000001f}.backup-code{background:var(--bg);text-align:center;letter-spacing:.08em;border-radius:12px;margin:0;padding:16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:24px;font-weight:700}.balance{margin:0;font-size:28px;font-weight:700}.balance.debt{color:var(--danger)}.balance.clear{color:var(--success)}.actions{gap:10px;display:flex}.btn.secondary{background:color-mix(in srgb, var(--primary) 14%, transparent);color:var(--primary)}.btn.ghost{border:1px solid var(--border);color:var(--muted);background:0 0}.btn.tiny{border:1px solid var(--border);color:var(--muted);background:0 0;padding:8px 12px;font-size:12px}.btn:disabled{opacity:.6;cursor:default}.customer-list,.entry-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.customer-row{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);text-align:left;cursor:pointer;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}.customer-name{font-weight:600}.entry{border:1px solid var(--border);border-radius:12px;justify-content:space-between;align-items:flex-start;gap:12px;padding:12px;display:flex}.entry.reversed{opacity:.55}.badge{background:var(--border);color:var(--muted);border-radius:999px;padding:4px 8px;font-size:12px;display:inline-block}.badge.danger{background:color-mix(in srgb, var(--danger) 16%, transparent);color:var(--danger)}.badge.success{background:color-mix(in srgb, var(--success) 16%, transparent);color:var(--success)}.sync-banner{flex-direction:column;gap:6px;margin:0 12px;display:flex}.link-button{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-weight:600;text-decoration:underline}