.layout{display:flex;min-height:100vh;position:relative}.mobile-menu-button{display:none;position:fixed;top:1rem;left:1rem;z-index:1001;background:#2c3e50;color:#fff;border:none;border-radius:4px;padding:.5rem;cursor:pointer;box-shadow:0 2px 8px #0003}.mobile-menu-button:hover{background:#34495e}.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:999}.sidebar{width:250px;background:#2c3e50;color:#fff;display:flex;flex-direction:column;transition:width .3s ease;position:relative;z-index:1000}.sidebar.collapsed{width:70px}.sidebar-header{padding:2rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;position:relative}.sidebar.collapsed .sidebar-header{padding:2rem .75rem;justify-content:center}.sidebar-header h2{margin:0;font-size:1.5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.collapse-toggle{background:transparent;border:none;color:#fff;cursor:pointer;padding:.25rem;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background .2s}.collapse-toggle:hover{background:#ffffff1a}.sidebar.collapsed .collapse-toggle{position:absolute;right:-15px;top:50%;transform:translateY(-50%);background:#2c3e50;border-radius:50%;padding:.5rem;box-shadow:0 2px 4px #0003}.nav-links{flex:1;list-style:none;padding:1rem 0;margin:0}.nav-links li{margin:0}.nav-links a{display:flex;align-items:center;padding:.75rem 1.5rem;color:#fff;text-decoration:none;transition:background .2s;gap:1rem}.sidebar.collapsed .nav-links a{padding:.75rem;justify-content:center}.nav-links a:hover{background:#ffffff1a}.nav-icon{display:flex;align-items:center;justify-content:center;min-width:24px}.nav-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar.collapsed .nav-label{display:none}.sidebar-footer{padding:1.5rem;border-top:1px solid rgba(255,255,255,.1)}.sidebar.collapsed .sidebar-footer{padding:1rem .75rem}.sidebar-footer p{margin-bottom:1rem;font-size:.875rem;opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-footer .button{width:100%;display:flex;align-items:center;justify-content:center;gap:.5rem}.sidebar.collapsed .sidebar-footer .button{padding:.5rem}.main-content{flex:1;padding:2rem;overflow-y:auto;transition:margin-left .3s ease}@media (max-width: 768px){.mobile-menu-button,.mobile-overlay{display:block}.sidebar{position:fixed;top:0;left:-250px;height:100vh;width:250px;transition:left .3s ease;box-shadow:2px 0 8px #0003}.sidebar.mobile-open{left:0}.sidebar.collapsed{width:250px;left:-250px}.sidebar.mobile-open.collapsed{left:0}.collapse-toggle{display:none}.main-content{padding:5rem 1rem 1rem;width:100%}}@media (min-width: 769px) and (max-width: 1024px){.sidebar{width:70px}.sidebar.collapsed{width:250px}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.auth-card{width:100%;max-width:400px;margin:1rem}.auth-card h1{margin-bottom:1.5rem;text-align:center;color:#333}.auth-card form button{width:100%;margin-top:1rem}.auth-link{text-align:center;margin-top:1rem;color:#666}.auth-link a{color:#007bff;text-decoration:none}.auth-link a:hover{text-decoration:underline}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0}.card{background:#fff;border-radius:8px;padding:1rem;box-shadow:0 2px 4px #0000001a}.button{padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:all .2s}.button-primary{background:#007bff;color:#fff}.button-primary:hover{background:#0056b3}.button-danger{background:#dc3545;color:#fff}.button-danger:hover{background:#c82333}.input{width:100%;padding:.5rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.input:focus{outline:none;border-color:#007bff}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.error{color:#dc3545;font-size:.875rem;margin-top:.25rem}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:.75rem;text-align:left;border-bottom:1px solid #ddd}.table th{font-weight:600;background:#f8f9fa}.loading{text-align:center;padding:2rem;color:#666}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:#fff;border-radius:8px;padding:2rem;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 4px 6px #0000001a}.modal-content h2{margin-bottom:1.5rem;color:#333}.modal-content .form-group input,.modal-content .form-group select,.modal-content .form-group textarea{width:100%;padding:.5rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.modal-content .form-group textarea{resize:vertical;font-family:inherit}.modal-content .form-group input:focus,.modal-content .form-group select:focus,.modal-content .form-group textarea:focus{outline:none;border-color:#007bff}