:root{--bg: #f7f8fa;--panel: #ffffff;--border: #e0e3e8;--text: #1c2230;--muted: #6b7280;--accent: #2f5ce0;--danger: #c23838;--warn-bg: #fff7e6;--warn-border: #f0c36d;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topnav{display:flex;align-items:center;gap:1.5rem;padding:.75rem 1.5rem;background:var(--panel);border-bottom:1px solid var(--border)}.topnav .brand{font-weight:700}.topnav a{color:var(--text);text-decoration:none;font-size:.92rem}.topnav a.active{color:var(--accent);font-weight:600}.topnav .spacer{flex:1}.topnav .who{color:var(--muted);font-size:.85rem}.page{padding:1.5rem;max-width:1100px;margin:0 auto;width:100%}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:1.25rem;margin-bottom:1rem}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:.5rem .9rem;font-size:.9rem;cursor:pointer}button.secondary{background:var(--panel);color:var(--text);border:1px solid var(--border)}button.danger{background:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{padding:.45rem .6rem;border:1px solid var(--border);border-radius:6px;font-size:.9rem}.warning-box{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:6px;padding:.75rem 1rem;margin-bottom:1rem}.warning-box ul{margin:.3rem 0 0 1.1rem;padding:0}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge.expense{background:#fde8e8;color:#a12727}.badge.income{background:#e6f4ea;color:#1e7a34}.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:start}.review-grid img{width:100%;border:1px solid var(--border);border-radius:6px}.page-picker{display:flex;gap:.4rem;margin-bottom:.5rem;flex-wrap:wrap}.page-picker button{padding:.3rem .6rem}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:2.5rem;text-align:center;width:320px}