:root{--bg:#f4f6f9;--surface:#fff;--border:#dfe4ec;--text:#1c2430;--muted:#6b7787;--primary:#1f3a5f;--primary-soft:#eaeff6;--accent:#2e7d5b;--danger:#b3392f;--warn:#b07800;--radius:8px;--shadow:0 1px 2px #141e320f, 0 4px 12px #141e320d;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-size:15px;line-height:1.5}a{color:var(--primary)}.app{min-height:100vh;display:flex}.sidebar{background:var(--primary);color:#dbe4f0;flex-direction:column;flex:0 0 230px;gap:4px;width:230px;padding:18px 12px;display:flex}.sidebar h1{color:#fff;letter-spacing:.02em;margin:0 8px 18px;font-size:16px}.sidebar a{border-radius:var(--radius);color:#cbd7e8;padding:9px 12px;font-size:14px;text-decoration:none;display:block}.sidebar a:hover{color:#fff;background:#ffffff14}.sidebar a.active{color:#fff;background:#ffffff29;font-weight:600}.sidebar-footer{margin-top:auto;padding:8px;font-size:13px}.sidebar-footer .user{color:#9fb2cb;word-break:break-all;margin-bottom:8px;font-size:12px}.main{flex:1;min-width:0;padding:24px 28px 60px}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.page-head h2{margin:0;font-size:22px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:16px}.card h3{margin:0 0 12px;font-size:15px}.grid{gap:14px;display:grid}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.stat .label{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.stat .value{margin-top:4px;font-size:22px;font-weight:600}.stat .value.pos{color:var(--accent)}.stat .value.neg{color:var(--danger)}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:middle;padding:9px 10px}th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:12px;font-weight:600}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}tbody tr:hover{background:#fafbfd}.table-wrap{overflow-x:auto}label{color:var(--muted);margin-bottom:4px;font-size:13px;display:block}input,select,textarea{border:1px solid var(--border);width:100%;font:inherit;color:var(--text);background:#fff;border-radius:6px;padding:8px 10px}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary-soft);border-color:var(--primary)}textarea{resize:vertical;min-height:70px}.field{margin-bottom:12px}.field .hint{color:var(--muted);margin-top:3px;font-size:12px}.checkbox{align-items:center;gap:8px;display:flex}.checkbox input{width:auto}button{font:inherit;border:1px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:6px;padding:8px 14px}button:hover{background:#f2f5f9}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover{background:#2a4c78}button.danger{color:var(--danger);border-color:#e6c7c4}button.small{padding:4px 9px;font-size:13px}button:disabled{opacity:.5;cursor:not-allowed}.btn-row{flex-wrap:wrap;gap:8px;display:flex}.badge{white-space:nowrap;border-radius:99px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge.paid{color:#1f6b48;background:#e2f2e9}.badge.due{color:#9c342b;background:#fdeceb}.badge.partial{color:#8a5e00;background:#fdf3e0}.badge.neutral{color:#4b5768;background:#eef1f6}.modal-backdrop{z-index:50;background:#141c2a73;justify-content:center;align-items:flex-start;padding:40px 16px;display:flex;position:fixed;inset:0;overflow-y:auto}.modal{background:var(--surface);border-radius:10px;width:min(680px,100%);padding:20px 22px 22px;box-shadow:0 20px 50px #0f192d40}.modal h3{margin:0 0 16px;font-size:18px}.modal-actions{justify-content:flex-end;gap:8px;margin-top:18px;display:flex}.muted{color:var(--muted)}.small{font-size:13px}.empty{text-align:center;color:var(--muted);padding:30px}.toast{background:var(--primary);color:#fff;box-shadow:var(--shadow);z-index:100;border-radius:99px;padding:10px 18px;font-size:14px;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.lang-switch{gap:4px;display:flex}.lang-switch button{color:#cbd7e8;background:#ffffff1a;border-color:#0000;padding:3px 9px;font-size:12px}.lang-switch button.active{color:var(--primary);background:#fff;font-weight:600}.login-wrap{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{width:min(380px,100%);box-shadow:var(--shadow);background:#fff;border-radius:10px;padding:28px}.login-card h1{color:var(--primary);margin:0 0 4px;font-size:20px}.login-card p{color:var(--muted);margin:0 0 20px;font-size:14px}.error{color:var(--danger);margin-top:8px;font-size:13px}@media (width<=820px){.app{flex-direction:column}.sidebar{flex-flow:wrap;flex:none;align-items:center;width:100%;padding:10px}.sidebar h1{width:100%;margin-bottom:8px}.sidebar-footer{margin-left:auto}.main{padding:16px}}