:root{--sidebar: #1e3a5f;--sidebar-dark: #152a45;--primary: #ff6b1a;--primary-hover: #ff7b2b;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--background: #f8fafc;--card: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--background);color:var(--text);line-height:1.5}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;padding:24px;overflow-y:auto}.sidebar{width:260px;background:var(--sidebar);color:#fff;display:flex;flex-direction:column;min-height:100vh;padding:20px 12px}.sidebar-logo{background:#fff;border-radius:8px;padding:12px 16px;margin-bottom:24px;display:flex;align-items:center;justify-content:center}.sidebar-logo img{height:40px;object-fit:contain}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 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#00000014}.stat-icon-admin{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center}.stat-info{display:flex;flex-direction:column}.stat-value-admin{font-size:24px;font-weight:700;color:var(--text)}.stat-label-admin{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.admin-section{background:#fff;border-radius:16px;padding:24px;box-shadow:0 1px 3px #00000014}.section-title{font-size:16px;font-weight:600;margin-bottom:20px;color:var(--text)}.user-stats-row{display:flex;gap:24px;margin-bottom:20px;flex-wrap:wrap}.user-stat{display:flex;align-items:center;gap:10px;padding:16px 24px;background:var(--background);border-radius:50px}.user-stat .stat-num{font-size:20px;font-weight:700;color:var(--text)}.user-stat 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#1e3a5f4d}.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.history-limit-btn{padding:6px 12px;border:1px solid var(--border);background:#fff;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.history-limit-btn:hover{border-color:var(--primary);color:var(--primary)}.history-limit-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.topup-payment-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:20px}@media (max-width: 768px){.topup-payment-grid{grid-template-columns:1fr}}.topup-qr-section,.topup-bank-section{padding:20px;background:var(--background);border-radius:12px}.topup-qr-section h3,.topup-bank-section h3{display:flex;align-items:center;gap:8px;margin-bottom:16px;font-size:15px}.qr-container{text-align:center}.qr-image{max-width:250px;border-radius:12px;box-shadow:0 4px 12px 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