:root{--bg: #f6f5f1;--ink: #1f2328;--muted: #6b7280;--card: #fff;--line: #e5e2d9;--accent: #2563eb;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.45}main{max-width:900px;margin:0 auto;padding:24px 20px 48px}h1{font-size:24px;margin:0 0 16px}h2{font-size:16px;margin:8px 0 2px}.muted{color:var(--muted)}small.muted{font-size:12px}.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0}.logo{background:none;border:none;font-size:18px;font-weight:700;cursor:pointer;padding:0}.badge{background:var(--accent);color:#fff;border-radius:999px;padding:1px 8px;font-size:12px;margin-left:4px}button{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:var(--card);cursor:pointer}button:hover:not(:disabled){border-color:#c9c5b8}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column}.card .muted{margin:0 0 14px;flex:1}.emoji{font-size:44px}.emoji-sm{font-size:26px}.row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}.stepper{display:inline-flex;align-items:center;gap:10px}.stepper button{padding:2px 10px}.lines{list-style:none;padding:0;margin:0;background:var(--card);border:1px solid var(--line);border-radius:14px}.lines li{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}.lines li:last-child{border-bottom:none}.grow{flex:1}.line-total{min-width:70px;text-align:right}.total{font-size:18px;margin:16px 0}.form{display:grid;gap:14px;max-width:420px}.form label{display:grid;gap:4px;font-size:14px;font-weight:600}.form input{font:inherit;padding:9px 10px;border-radius:8px;border:1px solid var(--line)}.error{background:#fee2e2;border:1px solid #fecaca;color:#991b1b;padding:10px 14px;border-radius:10px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}.error button{background:none;border:none;font-size:18px;padding:0 4px;color:inherit}code{background:#f3f1ea;padding:1px 5px;border-radius:4px;font-size:12px}