:root{--bg: #f7f7f8;--panel: #ffffff;--border: #e3e3e6;--text: #1b1c1f;--muted: #6b6f76;--accent: #3d5afe;--income: #1a7f37;--expense: #c22828;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #121214;--panel: #1b1c1f;--border: #2c2d31;--text: #f1f1f2;--muted: #9a9da3;--accent: #7b93ff;--income: #4ade80;--expense: #f87171;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}h1{font-size:1.5rem;margin:0 0 1rem}h2{font-size:1.1rem;margin:1.5rem 0 .5rem}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--expense)}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:2rem;width:100%;max-width:340px;display:flex;flex-direction:column;gap:.75rem}.auth-card label{display:flex;flex-direction:column;gap:.25rem;font-size:.9rem}.auth-card input{padding:.5rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}.auth-card button{margin-top:.5rem;padding:.6rem;border-radius:8px;border:none;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}.shell{display:flex;min-height:100vh}.sidebar{width:200px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:1.5rem 1rem;display:flex;flex-direction:column}.brand{font-weight:700;margin-bottom:1.5rem}.sidebar ul{list-style:none;padding:0;margin:0;flex:1}.sidebar li{margin-bottom:.25rem}.sidebar a{display:block;padding:.5rem .75rem;border-radius:8px;color:var(--text);text-decoration:none;font-size:.9rem}.sidebar a.active{background:var(--accent);color:#fff}.signout{padding:.5rem;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);cursor:pointer}.content{flex:1;padding:2rem;overflow-x:auto}.inline-form{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.5rem}.inline-form input,.inline-form select{padding:.5rem;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--text)}.inline-form button{padding:.5rem 1rem;border-radius:8px;border:none;background:var(--accent);color:#fff;cursor:pointer}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.6rem;border-bottom:1px solid var(--border);font-size:.9rem}th{color:var(--muted);font-weight:600}.link-btn{background:none;border:none;cursor:pointer;font-size:.85rem;padding:0}.link-btn.danger{color:var(--expense)}.cards{display:flex;flex-direction:column;gap:1rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem;display:flex;flex-direction:column;gap:.5rem}.card-header{display:flex;justify-content:space-between;align-items:center}.card textarea{min-height:60px;padding:.5rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-family:inherit}.card input,.card select{padding:.5rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}.stat-row{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.25rem;min-width:140px}.stat strong{font-size:1.3rem}.stat-income{color:var(--income)}.stat-expense{color:var(--expense)}