:root{font-family:Inter,Arial,sans-serif;color:#111827}body{margin:0;background:#f3f4f6}.container{max-width:1100px;margin:0 auto;padding:24px}.centered-page{min-height:100vh;display:grid;place-items:center}.card{background:#fff;border-radius:8px;border:1px solid #e5e7eb;padding:16px}.filters{display:flex;gap:12px;margin-bottom:16px}input,select,button{padding:8px 10px;border-radius:6px;border:1px solid #d1d5db}button{cursor:pointer;background:#111827;color:#fff}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #e5e7eb}th,td{border-bottom:1px solid #e5e7eb;text-align:left;padding:10px}tbody tr:hover{background:#f9fafb}.error{color:#b91c1c}.impersonation-banner{position:fixed;top:0;left:0;right:0;height:56px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:20}.header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.actions{display:flex;gap:8px}.breadcrumb{margin-bottom:12px}.top-nav{display:flex;gap:8px;margin-bottom:16px}.top-nav-link{color:#111827;text-decoration:none;border:1px solid #d1d5db;border-radius:6px;padding:8px 10px;background:#fff}.top-nav-link.active{background:#111827;color:#fff;border-color:#111827}.range-button{background:#fff;color:#111827}.range-button.active{background:#111827;color:#fff}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.kpi-grid .card h3{margin:0 0 8px;font-size:14px}.kpi-grid .card p{margin:0;font-size:22px;font-weight:600}.toast-container{position:fixed;right:16px;bottom:16px;display:grid;gap:8px}.toast-item{background:#111827;color:#fff;padding:10px 12px;border-radius:6px}