:root{--primary-color:#2563eb;--bg-color:#f3f4f6;--sidebar-bg:#1f2937;--text-main:#111827;--text-light:#9ca3af;--white:#fff}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--sidebar-bg);width:250px;color:var(--white);flex-direction:column;display:flex}.sidebar-header{border-bottom:1px solid #374151;padding:20px;font-size:1.5rem;font-weight:700}.sidebar-menu{padding:20px 0;list-style:none}.sidebar-menu li{cursor:pointer;padding:15px 20px;transition:background .2s}.sidebar-menu li:hover,.sidebar-menu li.active{background-color:var(--primary-color)}.main-content{flex-direction:column;flex:1;display:flex;overflow-y:auto}.topbar{background-color:var(--white);border-bottom:1px solid #e5e7eb;align-items:center;height:60px;padding:0 20px;font-weight:500;display:flex;box-shadow:0 1px 2px #0000000d}.content-area{padding:30px}.card-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:20px;display:grid}.card{background:var(--white);border-radius:8px;padding:20px;box-shadow:0 4px 6px -1px #0000001a}.card h3{color:var(--primary-color);border-bottom:1px solid #e5e7eb;margin-bottom:15px;padding-bottom:10px}.card ul{list-style:none}.card li{padding:5px 0;font-size:.95rem}.data-table-container{background:var(--white);border-radius:8px;margin-top:20px;overflow-x:auto;box-shadow:0 4px 6px -1px #0000001a}.data-table{border-collapse:collapse;text-align:left;width:100%}.data-table th,.data-table td{border-bottom:1px solid #e5e7eb;padding:12px 15px}.data-table th{color:var(--text-main);white-space:nowrap;background-color:#f9fafb;font-weight:600}.data-table tr:hover{background-color:#f3f4f6}.badge{border-radius:999px;padding:4px 8px;font-size:.8rem;font-weight:700}.badge.tier-a{color:#166534;background-color:#dcfce7}.badge.tier-b{color:#854d0e;background-color:#fef08a}.badge.tier-c{color:#991b1b;background-color:#fee2e2}.modal-overlay{z-index:1000;background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--white);border-radius:8px;width:90%;max-width:800px;max-height:90vh;padding:30px;position:relative;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a}.modal-close{cursor:pointer;color:var(--text-light);background:0 0;border:none;font-size:1.5rem;position:absolute;top:20px;right:20px}.modal-close:hover{color:var(--text-main)}