.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background:#fff;border-radius:12px;padding:40px;box-shadow:0 10px 40px #0000001a;width:100%;max-width:400px}.login-title{font-size:32px;font-weight:700;color:#333;margin-bottom:8px;text-align:center}.login-subtitle{font-size:14px;color:#666;margin-bottom:32px;text-align:center}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:500;color:#333}.form-group input{padding:12px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s}.form-group input:focus{outline:none;border-color:#667eea}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.error-message{padding:12px;background-color:#fee;border:1px solid #fcc;border-radius:6px;color:#c33;font-size:14px}.login-button{padding:14px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:opacity .2s}.login-button:hover:not(:disabled){opacity:.9}.login-button:disabled{opacity:.6;cursor:not-allowed}.module-tabs-container{display:flex;flex-direction:column;height:100%;background:#fff}.tabs-header{display:flex;border-bottom:2px solid #e0e0e0;background:#fff;overflow-x:auto}.tab-button{padding:12px 24px;background:none;border:none;border-bottom:3px solid transparent;font-size:14px;font-weight:500;color:#666;cursor:pointer;transition:all .2s;white-space:nowrap}.tab-button:hover{color:#333;background-color:#f5f5f5}.tab-button.active{color:#667eea;border-bottom-color:#667eea}.tab-content{flex:1;overflow-y:auto;padding:20px}.no-modules{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%;padding:40px;text-align:center;color:#666}.no-modules p:first-child{font-size:18px;font-weight:600;margin-bottom:8px}.no-modules p:last-child{font-size:14px}.dashboard-container{display:flex;flex-direction:column;height:100vh;background-color:#f5f5f5}.dashboard-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:#fff;border-bottom:1px solid #e0e0e0;box-shadow:0 2px 4px #0000000d}.dashboard-header h1{font-size:20px;font-weight:700;color:#333;margin:0}.user-info{display:flex;align-items:center;gap:12px;font-size:14px;color:#666}.logout-button{padding:8px 16px;background-color:#f5f5f5;border:1px solid #ddd;border-radius:6px;font-size:14px;cursor:pointer;transition:background-color .2s}.logout-button:hover{background-color:#e0e0e0}.dashboard-content{flex:1;overflow:hidden}*{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-color:#f5f5f5}#root{width:100%;height:100vh;overflow:hidden}.container{padding:20px;height:100%;overflow-y:auto}.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:18px;color:#666}.error{color:#d32f2f;padding:10px;background-color:#ffebee;border-radius:4px;margin:10px 0}