*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-tertiary: #242733;--bg-hover: #2a2d3a;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border: #2e3140;--primary: #3b82f6;--primary-hover: #2563eb;--primary-light: rgba(59, 130, 246, .1);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #06b6d4;--sidebar-width: 260px;--sidebar-collapsed: 60px;--topbar-height: 60px;--bottom-nav-height: 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h3{font-size:17px;margin-bottom:6px;color:var(--text-secondary)}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--text-muted)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.chart-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:18px 20px}.stat-card .stat-label{font-size:12px;color:var(--text-muted);margin-bottom:4px}.stat-card 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.btn{width:100%;justify-content:center}.flex-between{gap:10px}.btn{padding:8px 14px;font-size:13px}.btn-sm{padding:5px 10px;font-size:12px}.badge.badge-info{display:none}.mobile-bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--bg-secondary);border-top:1px solid var(--border);z-index:150;height:var(--bottom-nav-height);padding-bottom:env(safe-area-inset-bottom,0px);box-shadow:0 -4px 20px #0000004d}.mobile-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:6px 4px;background:none;border:none;color:var(--text-muted);font-size:10px;font-weight:500;cursor:pointer;transition:color .15s;min-width:0}.mobile-nav-item.active{color:var(--primary)}.mobile-nav-item:active{opacity:.7}}@media (max-width: 480px){.page-content{padding:10px;padding-bottom:calc(10px + var(--bottom-nav-height))}.topbar{padding:0 10px}.stat-card .stat-value{font-size:18px}.card{padding:12px}}