*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-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-color:#f5f5f5;color:#333}#root{width:100%;height:100vh}.loading-spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background-color:#f5f5f5}.loading-spinner{position:relative}.spinner{border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;animation:spin 1s linear infinite}.loading-spinner.small .spinner{width:30px;height:30px}.loading-spinner.medium .spinner{width:50px;height:50px}.loading-spinner.large .spinner{width:80px;height:80px}.loading-message{margin-top:1rem;font-size:1.1rem;color:#666;text-align:center}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:2rem;text-align:center}.error-container h2{color:#e74c3c;margin-bottom:1rem}.error-container p{color:#666;margin-bottom:1.5rem;max-width:500px}.error-container button{background-color:#3498db;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem}.error-container button:hover{background-color:#2980b9}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f5f7fa}.container{display:flex;flex-direction:column;height:100vh}.header{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:.7rem 2rem;box-shadow:0 2px 4px #0000000d;z-index:10}.header h1{margin:0;font-size:2.6rem;font-weight:600;color:#333}.user-profile{display:flex;align-items:center;gap:10px;padding:8px 16px;border-radius:8px;transition:background-color .2s ease;min-width:120px}.user-profile:hover{background-color:#f8f9fa}.avatar{width:36px;height:36px;background-color:var(--home-background-color, #B2DFDB);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--home-foreground-color, #009688);font-size:1.2rem}.role{font-weight:500;color:#333;font-size:1.3rem;transition:color .2s ease}.main-layout{display:flex;flex:1;overflow:hidden}.sidebar{background:#fff;width:240px;padding:1rem 0;box-shadow:2px 0 5px #0000000d;flex-shrink:0}nav ul{list-style:none;padding:0;margin:0}nav li{padding:.8rem 1.5rem;font-size:1rem;display:flex;align-items:center;gap:10px;color:#333;cursor:pointer;transition:background .2s}nav li:hover{background-color:#f0f0f0;border-radius:3px}nav li.active{background-color:#e7efff;color:#1e56d1;font-weight:600;border-radius:3px}nav li.logout-item{color:#dc2626}nav li.logout-item:hover{background-color:#fef2f2;color:#dc2626;border-radius:3px}.icon{font-size:1.2rem}.main-content{flex:1;background-color:#f5f7fa;overflow-y:auto;padding:2rem}.content-area{background-color:#fff;border-radius:.75rem;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f;min-height:calc(100vh - 200px)}@media (max-width: 768px){.main-layout{flex-direction:column}.sidebar{width:100%;padding:.5rem 0}nav ul{display:flex;overflow-x:auto;padding:0 1rem}nav li{white-space:nowrap;flex-shrink:0;padding:.6rem 1rem}.main-content{padding:1rem}}.profile-active{box-shadow:0 0 8px #19191a40;background-color:#e1bee70d}.profile-active .role{color:#333;font-weight:600}.App{font-family:Inter,-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}