:root{--primary:#4f46e5;--primary-hover:#4338ca;--secondary:#0ea5e9;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--background:#f8fafc;--surface:#fff;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--radius:.75rem}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}button{cursor:pointer;font-family:inherit;transition:all .2s}input{font-family:inherit}.app-container{min-height:100vh}.login-page{background:linear-gradient(135deg,#4f46e5 0%,#0ea5e9 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--surface);text-align:center;border-radius:1rem;width:100%;max-width:400px;padding:2.5rem;box-shadow:0 20px 25px -5px #0000001a}.login-card h1{color:var(--text-main);margin-bottom:.5rem;font-size:1.875rem;font-weight:700}.login-card p{color:var(--text-muted);margin-bottom:2rem}.form-group{text-align:left;margin-bottom:1.5rem}.form-group label{margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.form-group input{border:1px solid var(--border);border-radius:var(--radius);outline:none;width:100%;padding:.75rem 1rem}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.login-btn{background-color:var(--primary);color:#fff;border-radius:var(--radius);border:none;width:100%;padding:.75rem;font-size:1rem;font-weight:600}.login-btn:hover{background-color:var(--primary-hover)}.dashboard-layout{min-height:100vh;display:flex}.sidebar{background-color:var(--surface);border-right:1px solid var(--border);flex-direction:column;width:260px;padding:1.5rem;display:flex}.sidebar-header{color:var(--primary);align-items:center;gap:.5rem;margin-bottom:2rem;font-size:1.25rem;font-weight:700;display:flex}.nav-item{border-radius:var(--radius);color:var(--text-muted);align-items:center;gap:.75rem;margin-bottom:.5rem;padding:.75rem 1rem;font-weight:500;text-decoration:none;display:flex}.nav-item.active{color:var(--primary);background-color:#f1f5f9}.main-content{flex:1;padding:2rem;overflow-y:auto}.content-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2.5rem;display:grid}.stat-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);padding:1.5rem}.stat-label{color:var(--text-muted);font-size:.875rem;font-weight:500}.stat-value{margin-top:.5rem;font-size:1.5rem;font-weight:700}.table-container{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);overflow:hidden}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-muted);border-bottom:1px solid var(--border);background-color:#f8fafc;padding:1rem;font-size:.875rem;font-weight:600}td{border-bottom:1px solid var(--border);padding:1rem;font-size:.875rem}tr:hover{background-color:#f8fafc}.badge{border-radius:9999px;padding:.25rem .625rem;font-size:.75rem;font-weight:600}.badge-success{color:#166534;background-color:#dcfce7}.badge-warning{color:#854d0e;background-color:#fef9c3}.badge-danger{color:#991b1b;background-color:#fee2e2}.badge-blue{color:#075985;background-color:#e0f2fe}.alert-duplicate{border-left:4px solid var(--warning);background-color:#fff7ed;border-radius:4px;margin-bottom:1.5rem;padding:1rem}