:root{--primary:#2563eb;--primary-dark:#1d4ed8;--bg-color:#f8fafc;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--card-bg:#fff}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}.auth-container{background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.auth-card{background:#fff;border-radius:1rem;width:100%;max-width:400px;padding:2.5rem;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.auth-card h1{text-align:center;margin-bottom:.5rem;font-size:1.5rem;font-weight:700}.auth-card p{color:var(--text-muted);text-align:center;margin-bottom:2rem;font-size:.9rem}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-main);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.form-control{border:1px solid var(--border);border-radius:.5rem;width:100%;padding:.75rem 1rem;font-size:.95rem;transition:all .2s}.form-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.btn{cursor:pointer;border:none;border-radius:.5rem;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;width:100%}.btn-primary:hover{background-color:var(--primary-dark)}.app-layout{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--border);background-color:#fff;flex-direction:column;width:260px;display:flex}.sidebar-header{border-bottom:1px solid var(--border);padding:1.5rem}.sidebar-header h2{color:var(--primary);font-size:1.25rem;font-weight:700}.nav-menu{flex:1;padding:1rem 0}.nav-item{color:var(--text-muted);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;width:100%;padding:.75rem 1.5rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover,.nav-item.active{color:var(--primary);border-right:3px solid var(--primary);background-color:#f0fdf4}.main-content{flex-direction:column;flex:1;display:flex;overflow:hidden}.topbar{border-bottom:1px solid var(--border);background-color:#fff;justify-content:flex-end;align-items:center;height:64px;padding:0 2rem;display:flex}.page-content{flex:1;padding:2rem;overflow-y:auto}.page-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.page-header h1{font-size:1.875rem;font-weight:700}.card{background-color:var(--card-bg);border:1px solid var(--border);border-radius:.75rem;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);padding:1rem}.table th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem;font-weight:600}.table tbody tr:hover{background-color:#f8fafc}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.stat-card{background-color:var(--card-bg);border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;box-shadow:0 1px 3px #0000001a}.stat-title{color:var(--text-muted);margin-bottom:.5rem;font-size:.875rem;font-weight:500}.stat-value{color:var(--text-main);font-size:2rem;font-weight:700}