:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#e2e8f0;--danger-color:#ef4444;--success-color:#10b981;--sidebar-w:260px;--radius:12px;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,sans-serif;line-height:1.5}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:600}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit;transition:all .2s}input,select,textarea{border:1px solid var(--border-color);border-radius:8px;width:100%;padding:.5rem .75rem;font-family:inherit;font-size:.95rem;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #2563eb1a}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);background-color:var(--card-bg);border-right:1px solid var(--border-color);box-shadow:var(--shadow-sm);z-index:10;flex-direction:column;padding:1.5rem 1rem;display:flex}.sidebar-logo{color:var(--primary-color);align-items:center;gap:.5rem;margin-bottom:2rem;padding:0 .75rem;font-size:1.25rem;font-weight:700;display:flex}.nav-link{color:var(--text-muted);border-radius:8px;align-items:center;gap:.75rem;margin-bottom:.25rem;padding:.75rem 1rem;font-weight:500;display:flex}.nav-link:hover{color:var(--primary-color);background-color:#2563eb0d}.nav-link.active{background-color:var(--primary-color);color:#fff}.main-content{flex:1;padding:2rem;overflow-y:auto}.page-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.btn-primary{background-color:var(--primary-color);color:#fff;border-radius:8px;padding:.6rem 1.2rem;font-weight:500}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:var(--danger-color);color:#fff;border-radius:8px;padding:.6rem 1.2rem;font-weight:500}.btn-outline{border:1px solid var(--border-color);background-color:#fff;border-radius:8px;padding:.6rem 1.2rem;font-weight:500}.btn-outline:hover{background-color:var(--bg-color)}.card{background-color:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);padding:1.5rem}.auth-container{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);justify-content:center;align-items:center;height:100vh;display:flex}.auth-box{box-shadow:var(--shadow-lg);background:#fff;border-radius:16px;width:100%;max-width:400px;padding:2.5rem}.auth-title{text-align:center;margin-bottom:1.5rem;font-size:1.5rem}.form-group{margin-bottom:1.25rem}.form-label{color:var(--text-main);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.stat-card{align-items:center;gap:1.25rem;display:flex}.stat-icon{color:#fff;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:flex}.table-container{width:100%;overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem;font-weight:600}tr:hover td{background-color:#00000003}.badge{border-radius:999px;padding:.25rem .5rem;font-size:.75rem;font-weight:600}.badge-success{color:#065f46;background:#d1fae5}.badge-danger{color:#991b1b;background:#fee2e2}.badge-warning{color:#92400e;background:#fef3c7}.modal-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{border-radius:var(--radius);width:100%;max-width:500px;max-height:90vh;box-shadow:var(--shadow-lg);background:#fff;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.modal-body{padding:1.5rem}.modal-footer{border-top:1px solid var(--border-color);justify-content:flex-end;gap:1rem;padding:1.5rem;display:flex}.modal-close{color:var(--text-muted);font-size:1.25rem}@media (width<=768px){.app-container{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border-color);flex-direction:row;justify-content:space-between;align-items:center;width:100%;height:auto;padding:1rem}.sidebar-menu{gap:.5rem;display:flex;overflow-x:auto}.nav-link{white-space:nowrap;margin-bottom:0}.nav-link span{display:none}.sidebar-logo{margin-bottom:0}}