:root{--primary:#e76022;--primary-hover:#d55417;--primary-light:#e7602214;--secondary:#69727d;--accent:#3d4459;--dark:#1f2124;--card-bg:#fdfdfd;--bg:#f6f7f9;--text-primary:#1f2124;--text-secondary:#69727d;--text-muted:#9ca3af;--border:#e2e5e9;--border-light:#f0f2f4;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--radius:8px;--radius-sm:6px;--radius-lg:12px;--shadow-sm:0 1px 2px #0000000a;--shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 6px #0000000d, 0 2px 4px #0000000a;--nav-height:64px;--sidebar-width:240px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{background:var(--bg);color:var(--text-primary);min-height:100vh;font-family:Montserrat,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}h1,h2,h3,h4,h5,h6{letter-spacing:-.01em;font-family:Montserrat,sans-serif;font-weight:600;line-height:1.3}h1{font-size:1.75rem}h2{font-size:1.375rem}h3{font-size:1.125rem}h4{font-size:1rem}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;outline:none;font-family:Montserrat,sans-serif}input,select,textarea{font-family:Montserrat,sans-serif}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:1.25rem}.card-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.card-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:.875rem;font-weight:600}.btn{border-radius:var(--radius);align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:600;line-height:1;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-secondary:hover{background:var(--border-light)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{background:var(--primary-light);color:var(--primary)}.btn-sm{padding:.375rem .75rem;font-size:.8125rem}.label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;font-weight:600}.value{color:var(--text-primary);font-size:1.25rem;font-weight:700}.metric-change{font-size:.8125rem;font-weight:600}.metric-change.positive{color:var(--success)}.metric-change.negative{color:var(--danger)}.metric-change.neutral{color:var(--text-muted)}.badge{border-radius:9999px;align-items:center;padding:.125rem .5rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-success{color:var(--success);background:#22c55e1a}.badge-warning{color:var(--warning);background:#f59e0b1a}.badge-danger{color:var(--danger);background:#ef44441a}.badge-info{color:var(--info);background:#3b82f61a}.badge-neutral{background:var(--border-light);color:var(--text-secondary)}.data-table{border-collapse:collapse;width:100%;font-size:.875rem}.data-table th{text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;padding:.75rem 1rem;font-size:.75rem;font-weight:600}.data-table th:hover{color:var(--text-primary)}.data-table th.sorted{color:var(--primary)}.data-table td{border-bottom:1px solid var(--border-light);color:var(--text-primary);padding:.75rem 1rem}.data-table tr:hover td{background:var(--primary-light)}.data-table tr:last-child td{border-bottom:none}.input-field{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card-bg);width:100%;color:var(--text-primary);padding:.5rem .75rem;font-size:.875rem;transition:border-color .15s}.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light);outline:none}.input-field::placeholder{color:var(--text-muted)}.select-field{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card-bg);color:var(--text-primary);cursor:pointer;padding:.5rem .75rem;font-size:.875rem}.select-field:focus{border-color:var(--primary);outline:none}.app-layout{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-width);flex:1;padding:1.5rem 2rem 3rem}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.filter-bar{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.stat-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem;display:grid}.chart-grid{grid-template-columns:1fr;gap:1.5rem;margin-bottom:1.5rem;display:grid}.chart-grid.two-col{grid-template-columns:1fr 1fr}.table-wrapper{border:1px solid var(--border);border-radius:var(--radius);background:var(--card-bg);overflow-x:auto}.loading-state{color:var(--text-muted);justify-content:center;align-items:center;padding:3rem;font-size:.875rem;display:flex}.empty-state{color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:3rem;display:flex}@media (width<=1024px){.chart-grid.two-col{grid-template-columns:1fr}}@media (width<=768px){.main-content{margin-left:0;padding:1rem}.stat-grid{grid-template-columns:repeat(2,1fr)}.page-header{flex-direction:column;align-items:flex-start}}