*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f5f5f5}#app{min-height:100vh}.with-sidebar{display:grid;grid-template-columns:260px 1fr}.sidebar{background-color:#2c3e50;color:#fff;min-height:100vh;position:sticky;top:0;box-shadow:0 2px 4px #0000001a;display:flex;flex-direction:column}.sidebar-header{padding:1rem;border-bottom:1px solid rgba(255,255,255,.12)}.sidebar-header h1{font-size:1.25rem}.sidebar-nav{display:flex;flex-direction:column;gap:.25rem;padding:.75rem;overflow-y:auto}.sidebar-nav a{color:#fff;text-decoration:none;padding:.55rem .7rem;border-radius:6px;transition:opacity .2s}.sidebar-nav a:hover{background-color:#ffffff1f}.sidebar-nav a.router-link-active{background-color:#fff3}.btn-logout{width:100%;background-color:#e74c3c;color:#fff;border:none;padding:.6rem 1rem;border-radius:4px;cursor:pointer;transition:background-color .2s}.btn-logout:hover{background-color:#c0392b}.sidebar-footer{margin-top:auto;padding:1rem;border-top:1px solid rgba(255,255,255,.12)}.main-content{max-width:1400px;width:100%;margin:2rem auto;padding:0 1.25rem}.btn{padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .2s}.btn-primary{background-color:#3498db;color:#fff}.btn-primary:hover{background-color:#2980b9}.btn-success{background-color:#2ecc71;color:#fff}.btn-danger{background-color:#e74c3c;color:#fff}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.5rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px #0000001a}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:.75rem;text-align:left;border-bottom:1px solid #ddd}.table th{background-color:#f8f9fa;font-weight:600}@media (max-width: 1024px){.with-sidebar{grid-template-columns:1fr}.sidebar{position:static;min-height:auto}.sidebar-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.35rem}.main-content{margin-top:1rem}}