:root{--bg: #0f1117;--panel: #171a23;--panel-2: #1e222d;--border: #2a2e3a;--text: #e6e8ee;--text-dim: #9aa0ae;--accent: #6d8cff;--danger: #e5484d;--success: #3ecf8e;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);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);padding:20px 14px;flex-shrink:0}.sidebar h1{font-size:16px;margin:0 0 20px 4px}.sidebar nav a,.sidebar nav .nav-link{display:block;padding:8px 10px;border-radius:6px;color:var(--text-dim);font-size:14px;margin-bottom:2px;cursor:pointer}.sidebar nav a.active,.sidebar nav a:hover{background:var(--panel-2);color:var(--text)}.main{flex:1;padding:24px 32px;max-width:1100px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px 20px;margin-bottom:18px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--text-dim);font-weight:600;font-size:12px;text-transform:uppercase}input,select,textarea{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:8px 10px;font-size:14px;width:100%}label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:4px;margin-top:10px}button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:9px 14px;font-size:14px;cursor:pointer}button.secondary{background:var(--panel-2);border:1px solid var(--border);color:var(--text)}button.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:360px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:30px}.error-text{color:var(--danger);font-size:13px;margin-top:8px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;background:var(--panel-2);border:1px solid var(--border);color:var(--text-dim)}.tabs{display:flex;gap:6px;margin-bottom:18px;border-bottom:1px solid var(--border)}.tabs button{background:transparent;color:var(--text-dim);border-radius:0;padding:10px 14px;border-bottom:2px solid transparent}.tabs button.active{color:var(--text);border-bottom:2px solid var(--accent)}.row-actions{display:flex;gap:6px}.saldo-positive{color:var(--danger);font-weight:600}.saldo-negative{color:var(--success);font-weight:600}