:root{--bg-deep: #0c1118;--bg-panel: #141c27;--bg-elevated: #1a2433;--border: rgba(255, 255, 255, .08);--text: #e8edf4;--text-muted: #8b9bb0;--accent: #3dd6c3;--accent-dim: rgba(61, 214, 195, .15);--expense: #ff7b6e;--recharge: #6ec8ff;--radius: 12px;--shadow: 0 12px 40px rgba(0, 0, 0, .35);font-family:DM Sans,system-ui,sans-serif;color:var(--text);background:var(--bg-deep);line-height:1.5}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse 120% 80% at 10% -20%,#1a2a3d 0%,var(--bg-deep) 55%)}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:10}}.sidebar{background:var(--bg-panel);border-right:1px solid 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.5rem;border-bottom:1px solid var(--border)}table.data-table th{color:var(--text-muted);font-weight:500;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}table.data-table tr:hover td{background:#ffffff05}.badge{display:inline-block;padding:.2rem .5rem;border-radius:6px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-expense{background:#ff7b6e26;color:var(--expense)}.badge-recharge{background:#6ec8ff26;color:var(--recharge)}.mono{font-family:JetBrains Mono,monospace;font-size:.85em}.alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.alert-error{background:#ff7b6e1f;border:1px solid rgba(255,123,110,.3);color:#ffb4ab}.alert-success{background:#3dd6c31f;border:1px solid rgba(61,214,195,.3);color:var(--accent)}.filters{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1rem;align-items:flex-end}.filters .form-row{min-width:140px}.login-page{min-height:100vh;display:grid;place-items:center;padding:2rem}.login-card{width:100%;max-width:400px}.actions-row{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}.empty-state{text-align:center;padding:2.5rem 1rem;color:var(--text-muted)}