:root{font-family:Arial,Helvetica,sans-serif;line-height:1.5;font-weight:400;color:#1f2937;background-color:#f3f4f6;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:1100px;min-height:100vh;background-color:#f3f4f6;color:#1f2937}#app{width:100%;min-height:100vh;padding:24px}h1,h2,h3{margin-top:0;color:#111827}h1{font-size:2rem;line-height:1.2}h2{font-size:1.6rem;margin-bottom:16px}h3{font-size:1.15rem;margin-bottom:12px}p{margin-top:0}a{color:#1d4ed8;text-decoration:none}a:hover{text-decoration:underline}.dashboard-shell{display:flex;gap:24px;align-items:stretch;min-height:calc(100vh - 48px)}.sidebar{width:260px;background:#fff;border:1px solid #d1d5db;border-radius:14px;padding:24px;display:flex;flex-direction:column;justify-content:space-between}.sidebar-title{font-size:1.6rem;margin-bottom:4px}.sidebar-subtitle{color:#6b7280;font-size:1rem;margin-bottom:24px}.menu-group{display:flex;flex-direction:column;gap:12px}.sidebar-footer{margin-top:28px}.content-panel{flex:1;background:#fff;border:1px solid #d1d5db;border-radius:14px;padding:28px;overflow-x:auto}button{border:1px solid #cbd5e1;border-radius:10px;padding:14px 16px;font-size:1rem;font-weight:600;font-family:inherit;background-color:#fff;color:#111827;cursor:pointer;transition:background-color .2s,border-color .2s,box-shadow .2s;min-height:48px}button:hover{background-color:#f8fafc;border-color:#94a3b8}button:focus,button:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}.menu-btn{width:100%;text-align:left;font-size:1.05rem}.menu-btn.active{background-color:#dbeafe;border-color:#93c5fd;color:#0f172a}.logout-btn{background-color:#f9fafb}input,select{width:100%;max-width:420px;padding:12px 14px;font-size:1rem;border:1px solid #cbd5e1;border-radius:8px;background-color:#fff;color:#111827;margin-bottom:12px}input:focus,select:focus{outline:3px solid #bfdbfe;border-color:#93c5fd}label{display:block;font-weight:600;margin-bottom:6px;color:#111827}table{width:100%;border-collapse:collapse;background-color:#fff;margin-top:12px}th,td{padding:12px;border:1px solid #d1d5db;text-align:left;vertical-align:top}th{background-color:#f9fafb;font-weight:700}ul{padding-left:20px;margin-bottom:0}li{margin-bottom:14px}hr{border:none;border-top:1px solid #d1d5db;margin:24px 0}.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(260px,1fr));gap:18px;margin-top:18px}.stat-card{background:#f9fafb;border:1px solid #d1d5db;border-radius:12px;padding:20px}.stat-label{font-size:1rem;color:#6b7280;margin-bottom:8px;font-weight:600}.stat-value{font-size:2rem;font-weight:700;color:#111827}